/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-NoLbe-After.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 12:57:14,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 12:57:14,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 12:57:14,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 12:57:14,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 12:57:14,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 12:57:14,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 12:57:14,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 12:57:14,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 12:57:14,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 12:57:14,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 12:57:14,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 12:57:14,688 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 12:57:14,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 12:57:14,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 12:57:14,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 12:57:14,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 12:57:14,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 12:57:14,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 12:57:14,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 12:57:14,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 12:57:14,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 12:57:14,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 12:57:14,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 12:57:14,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 12:57:14,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 12:57:14,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 12:57:14,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 12:57:14,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 12:57:14,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 12:57:14,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 12:57:14,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 12:57:14,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 12:57:14,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 12:57:14,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 12:57:14,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 12:57:14,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 12:57:14,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 12:57:14,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 12:57:14,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 12:57:14,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 12:57:14,722 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-NoLbe-After.epf [2022-01-19 12:57:14,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 12:57:14,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 12:57:14,752 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 12:57:14,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 12:57:14,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 12:57:14,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 12:57:14,753 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 12:57:14,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 12:57:14,753 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 12:57:14,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 12:57:14,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 12:57:14,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 12:57:14,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 12:57:14,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 12:57:14,755 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 12:57:14,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 12:57:14,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:57:14,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 12:57:14,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 12:57:14,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 12:57:14,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 12:57:14,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 12:57:14,758 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 12:57:14,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 12:57:14,758 INFO L138 SettingsManager]: * When to check the insufficient erros location relative to the other error locations=AFTER [2022-01-19 12:57:14,758 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 12:57:14,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 12:57:14,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 12:57:14,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 12:57:14,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 12:57:14,993 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 12:57:14,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-01-19 12:57:15,065 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/addfcb342/defe890909b34a86a8f67fa24f6164e6/FLAG0654dd302 [2022-01-19 12:57:15,357 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 12:57:15,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c [2022-01-19 12:57:15,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/addfcb342/defe890909b34a86a8f67fa24f6164e6/FLAG0654dd302 [2022-01-19 12:57:15,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/addfcb342/defe890909b34a86a8f67fa24f6164e6 [2022-01-19 12:57:15,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 12:57:15,802 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 12:57:15,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 12:57:15,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 12:57:15,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 12:57:15,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:57:15" (1/1) ... [2022-01-19 12:57:15,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662f3934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:15, skipping insertion in model container [2022-01-19 12:57:15,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 12:57:15" (1/1) ... [2022-01-19 12:57:15,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 12:57:15,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 12:57:16,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-01-19 12:57:16,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:57:16,025 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 12:57:16,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-collitem-subst.wvr.c[3544,3557] [2022-01-19 12:57:16,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 12:57:16,085 INFO L208 MainTranslator]: Completed translation [2022-01-19 12:57:16,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16 WrapperNode [2022-01-19 12:57:16,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 12:57:16,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 12:57:16,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 12:57:16,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 12:57:16,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,133 INFO L137 Inliner]: procedures = 23, calls = 46, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 353 [2022-01-19 12:57:16,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 12:57:16,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 12:57:16,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 12:57:16,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 12:57:16,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 12:57:16,163 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 12:57:16,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 12:57:16,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 12:57:16,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (1/1) ... [2022-01-19 12:57:16,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 12:57:16,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 12:57:16,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-19 12:57:16,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-19 12:57:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 12:57:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 12:57:16,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 12:57:16,281 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 12:57:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 12:57:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 12:57:16,282 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 12:57:16,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 12:57:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 12:57:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 12:57:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 12:57:16,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 12:57:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 12:57:16,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 12:57:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 12:57:16,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 12:57:16,287 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-19 12:57:16,391 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 12:57:16,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 12:57:16,814 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 12:57:17,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 12:57:17,187 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-19 12:57:17,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:57:17 BoogieIcfgContainer [2022-01-19 12:57:17,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 12:57:17,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 12:57:17,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 12:57:17,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 12:57:17,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 12:57:15" (1/3) ... [2022-01-19 12:57:17,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb96aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:57:17, skipping insertion in model container [2022-01-19 12:57:17,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 12:57:16" (2/3) ... [2022-01-19 12:57:17,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55fb96aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 12:57:17, skipping insertion in model container [2022-01-19 12:57:17,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 12:57:17" (3/3) ... [2022-01-19 12:57:17,198 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c [2022-01-19 12:57:17,205 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 12:57:17,205 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 12:57:17,205 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 12:57:17,263 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,264 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,265 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,266 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,272 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,282 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,283 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,285 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,286 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,287 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,291 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,295 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,299 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,301 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,307 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,310 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_~a#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_minus_#in~b#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,316 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 12:57:17,319 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-01-19 12:57:17,374 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 12:57:17,383 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-19 12:57:17,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-01-19 12:57:17,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 133 transitions, 290 flow [2022-01-19 12:57:17,466 INFO L129 PetriNetUnfolder]: 2/130 cut-off events. [2022-01-19 12:57:17,467 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 12:57:17,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 130 events. 2/130 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2022-01-19 12:57:17,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 133 transitions, 290 flow [2022-01-19 12:57:17,476 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 119 transitions, 256 flow [2022-01-19 12:57:17,509 INFO L129 PetriNetUnfolder]: 2/118 cut-off events. [2022-01-19 12:57:17,509 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-01-19 12:57:17,510 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:17,510 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:17,511 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash -64327517, now seen corresponding path program 1 times [2022-01-19 12:57:17,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:17,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304588611] [2022-01-19 12:57:17,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:17,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:19,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:19,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304588611] [2022-01-19 12:57:19,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304588611] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:19,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:19,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:19,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784324313] [2022-01-19 12:57:19,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:19,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:19,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:19,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:19,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:19,833 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:19,838 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 256 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:19,838 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:19,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:19,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:21,387 INFO L129 PetriNetUnfolder]: 14/222 cut-off events. [2022-01-19 12:57:21,388 INFO L130 PetriNetUnfolder]: For 55/61 co-relation queries the response was YES. [2022-01-19 12:57:21,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 222 events. 14/222 cut-off events. For 55/61 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 472 event pairs, 7 based on Foata normal form. 7/218 useless extension candidates. Maximal degree in co-relation 136. Up to 48 conditions per place. [2022-01-19 12:57:21,391 INFO L132 encePairwiseOnDemand]: 120/133 looper letters, 57 selfloop transitions, 2 changer transitions 17/147 dead transitions. [2022-01-19 12:57:21,391 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 147 transitions, 488 flow [2022-01-19 12:57:21,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-19 12:57:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-01-19 12:57:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1175 transitions. [2022-01-19 12:57:21,416 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6795835743204164 [2022-01-19 12:57:21,416 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1175 transitions. [2022-01-19 12:57:21,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1175 transitions. [2022-01-19 12:57:21,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:21,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1175 transitions. [2022-01-19 12:57:21,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 90.38461538461539) internal successors, (1175), 13 states have internal predecessors, (1175), 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) [2022-01-19 12:57:21,443 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 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) [2022-01-19 12:57:21,445 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 133.0) internal successors, (1862), 14 states have internal predecessors, (1862), 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) [2022-01-19 12:57:21,449 INFO L186 Difference]: Start difference. First operand has 127 places, 119 transitions, 256 flow. Second operand 13 states and 1175 transitions. [2022-01-19 12:57:21,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 147 transitions, 488 flow [2022-01-19 12:57:21,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 147 transitions, 460 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-01-19 12:57:21,460 INFO L242 Difference]: Finished difference. Result has 141 places, 116 transitions, 261 flow [2022-01-19 12:57:21,462 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=261, PETRI_PLACES=141, PETRI_TRANSITIONS=116} [2022-01-19 12:57:21,465 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 14 predicate places. [2022-01-19 12:57:21,465 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 116 transitions, 261 flow [2022-01-19 12:57:21,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:21,466 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:21,466 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:21,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 12:57:21,467 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:21,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:21,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1680753933, now seen corresponding path program 2 times [2022-01-19 12:57:21,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:21,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79970558] [2022-01-19 12:57:21,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:21,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:22,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:22,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79970558] [2022-01-19 12:57:22,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79970558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:22,546 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:22,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:22,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657405797] [2022-01-19 12:57:22,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:22,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:22,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:22,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:22,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:22,550 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:22,551 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 116 transitions, 261 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:22,551 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:22,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:22,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:23,510 INFO L129 PetriNetUnfolder]: 13/251 cut-off events. [2022-01-19 12:57:23,510 INFO L130 PetriNetUnfolder]: For 64/72 co-relation queries the response was YES. [2022-01-19 12:57:23,511 INFO L84 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 251 events. 13/251 cut-off events. For 64/72 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 715 event pairs, 5 based on Foata normal form. 2/247 useless extension candidates. Maximal degree in co-relation 404. Up to 42 conditions per place. [2022-01-19 12:57:23,512 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 57 selfloop transitions, 3 changer transitions 12/143 dead transitions. [2022-01-19 12:57:23,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 143 transitions, 498 flow [2022-01-19 12:57:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:57:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:57:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 912 transitions. [2022-01-19 12:57:23,514 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2022-01-19 12:57:23,515 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 912 transitions. [2022-01-19 12:57:23,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 912 transitions. [2022-01-19 12:57:23,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:23,515 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 912 transitions. [2022-01-19 12:57:23,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 91.2) internal successors, (912), 10 states have internal predecessors, (912), 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) [2022-01-19 12:57:23,520 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:23,520 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:23,520 INFO L186 Difference]: Start difference. First operand has 141 places, 116 transitions, 261 flow. Second operand 10 states and 912 transitions. [2022-01-19 12:57:23,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 143 transitions, 498 flow [2022-01-19 12:57:23,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 143 transitions, 461 flow, removed 17 selfloop flow, removed 7 redundant places. [2022-01-19 12:57:23,525 INFO L242 Difference]: Finished difference. Result has 140 places, 117 transitions, 278 flow [2022-01-19 12:57:23,525 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=278, PETRI_PLACES=140, PETRI_TRANSITIONS=117} [2022-01-19 12:57:23,526 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 13 predicate places. [2022-01-19 12:57:23,526 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 117 transitions, 278 flow [2022-01-19 12:57:23,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:23,526 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:23,527 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:23,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 12:57:23,527 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:23,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:23,527 INFO L85 PathProgramCache]: Analyzing trace with hash 450472771, now seen corresponding path program 3 times [2022-01-19 12:57:23,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:23,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931234484] [2022-01-19 12:57:23,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:23,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:24,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:24,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931234484] [2022-01-19 12:57:24,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931234484] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:24,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:24,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:24,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045743773] [2022-01-19 12:57:24,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:24,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:24,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:24,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:24,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:24,828 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:24,829 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 117 transitions, 278 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:24,829 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:24,829 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:24,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:26,174 INFO L129 PetriNetUnfolder]: 11/228 cut-off events. [2022-01-19 12:57:26,174 INFO L130 PetriNetUnfolder]: For 96/99 co-relation queries the response was YES. [2022-01-19 12:57:26,175 INFO L84 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 228 events. 11/228 cut-off events. For 96/99 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 548 event pairs, 3 based on Foata normal form. 1/225 useless extension candidates. Maximal degree in co-relation 390. Up to 43 conditions per place. [2022-01-19 12:57:26,175 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 57 selfloop transitions, 3 changer transitions 14/145 dead transitions. [2022-01-19 12:57:26,176 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 145 transitions, 533 flow [2022-01-19 12:57:26,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:57:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:57:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 912 transitions. [2022-01-19 12:57:26,180 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2022-01-19 12:57:26,180 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 912 transitions. [2022-01-19 12:57:26,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 912 transitions. [2022-01-19 12:57:26,181 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:26,181 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 912 transitions. [2022-01-19 12:57:26,183 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 91.2) internal successors, (912), 10 states have internal predecessors, (912), 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) [2022-01-19 12:57:26,185 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:26,186 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:26,186 INFO L186 Difference]: Start difference. First operand has 140 places, 117 transitions, 278 flow. Second operand 10 states and 912 transitions. [2022-01-19 12:57:26,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 145 transitions, 533 flow [2022-01-19 12:57:26,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 145 transitions, 493 flow, removed 18 selfloop flow, removed 7 redundant places. [2022-01-19 12:57:26,191 INFO L242 Difference]: Finished difference. Result has 144 places, 117 transitions, 288 flow [2022-01-19 12:57:26,191 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=288, PETRI_PLACES=144, PETRI_TRANSITIONS=117} [2022-01-19 12:57:26,192 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 17 predicate places. [2022-01-19 12:57:26,192 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 117 transitions, 288 flow [2022-01-19 12:57:26,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:26,193 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:26,193 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:26,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 12:57:26,193 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:26,194 INFO L85 PathProgramCache]: Analyzing trace with hash 763523587, now seen corresponding path program 4 times [2022-01-19 12:57:26,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:26,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488128768] [2022-01-19 12:57:26,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:26,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:27,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:27,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488128768] [2022-01-19 12:57:27,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488128768] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:27,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:27,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:27,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112271263] [2022-01-19 12:57:27,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:27,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:27,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:27,918 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:27,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 117 transitions, 288 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:27,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:27,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:27,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:28,995 INFO L129 PetriNetUnfolder]: 8/184 cut-off events. [2022-01-19 12:57:28,995 INFO L130 PetriNetUnfolder]: For 128/128 co-relation queries the response was YES. [2022-01-19 12:57:28,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 184 events. 8/184 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 290 event pairs, 4 based on Foata normal form. 1/182 useless extension candidates. Maximal degree in co-relation 324. Up to 37 conditions per place. [2022-01-19 12:57:28,997 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 43 selfloop transitions, 1 changer transitions 17/132 dead transitions. [2022-01-19 12:57:28,997 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 132 transitions, 471 flow [2022-01-19 12:57:28,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:57:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:57:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 901 transitions. [2022-01-19 12:57:29,000 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6774436090225564 [2022-01-19 12:57:29,000 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 901 transitions. [2022-01-19 12:57:29,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 901 transitions. [2022-01-19 12:57:29,001 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:29,001 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 901 transitions. [2022-01-19 12:57:29,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 90.1) internal successors, (901), 10 states have internal predecessors, (901), 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) [2022-01-19 12:57:29,005 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:29,005 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:29,005 INFO L186 Difference]: Start difference. First operand has 144 places, 117 transitions, 288 flow. Second operand 10 states and 901 transitions. [2022-01-19 12:57:29,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 132 transitions, 471 flow [2022-01-19 12:57:29,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 132 transitions, 436 flow, removed 15 selfloop flow, removed 9 redundant places. [2022-01-19 12:57:29,010 INFO L242 Difference]: Finished difference. Result has 145 places, 115 transitions, 269 flow [2022-01-19 12:57:29,010 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=269, PETRI_PLACES=145, PETRI_TRANSITIONS=115} [2022-01-19 12:57:29,011 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 18 predicate places. [2022-01-19 12:57:29,011 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 115 transitions, 269 flow [2022-01-19 12:57:29,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:29,011 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:29,011 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:29,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 12:57:29,012 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:29,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:29,012 INFO L85 PathProgramCache]: Analyzing trace with hash 619238341, now seen corresponding path program 5 times [2022-01-19 12:57:29,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:29,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120775717] [2022-01-19 12:57:29,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:29,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:31,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:31,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120775717] [2022-01-19 12:57:31,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120775717] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:31,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:31,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:31,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985641921] [2022-01-19 12:57:31,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:31,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:31,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:31,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:31,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:31,037 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:31,038 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 115 transitions, 269 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:31,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:31,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:31,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:32,637 INFO L129 PetriNetUnfolder]: 1/146 cut-off events. [2022-01-19 12:57:32,637 INFO L130 PetriNetUnfolder]: For 38/38 co-relation queries the response was YES. [2022-01-19 12:57:32,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 146 events. 1/146 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 114 event pairs, 0 based on Foata normal form. 1/147 useless extension candidates. Maximal degree in co-relation 239. Up to 32 conditions per place. [2022-01-19 12:57:32,638 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 43 selfloop transitions, 1 changer transitions 13/128 dead transitions. [2022-01-19 12:57:32,639 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 128 transitions, 440 flow [2022-01-19 12:57:32,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:57:32,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:57:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 898 transitions. [2022-01-19 12:57:32,647 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.675187969924812 [2022-01-19 12:57:32,648 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 898 transitions. [2022-01-19 12:57:32,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 898 transitions. [2022-01-19 12:57:32,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:32,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 898 transitions. [2022-01-19 12:57:32,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 89.8) internal successors, (898), 10 states have internal predecessors, (898), 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) [2022-01-19 12:57:32,652 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:32,653 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:32,653 INFO L186 Difference]: Start difference. First operand has 145 places, 115 transitions, 269 flow. Second operand 10 states and 898 transitions. [2022-01-19 12:57:32,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 128 transitions, 440 flow [2022-01-19 12:57:32,655 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 128 transitions, 392 flow, removed 16 selfloop flow, removed 13 redundant places. [2022-01-19 12:57:32,657 INFO L242 Difference]: Finished difference. Result has 141 places, 115 transitions, 261 flow [2022-01-19 12:57:32,657 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=261, PETRI_PLACES=141, PETRI_TRANSITIONS=115} [2022-01-19 12:57:32,657 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 14 predicate places. [2022-01-19 12:57:32,658 INFO L470 AbstractCegarLoop]: Abstraction has has 141 places, 115 transitions, 261 flow [2022-01-19 12:57:32,658 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:32,658 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 12:57:32,658 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-19 12:57:32,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 12:57:32,659 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-01-19 12:57:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 12:57:32,659 INFO L85 PathProgramCache]: Analyzing trace with hash 231083089, now seen corresponding path program 6 times [2022-01-19 12:57:32,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 12:57:32,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224382485] [2022-01-19 12:57:32,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 12:57:32,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 12:57:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 12:57:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 12:57:34,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 12:57:34,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224382485] [2022-01-19 12:57:34,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224382485] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 12:57:34,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 12:57:34,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-19 12:57:34,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938343527] [2022-01-19 12:57:34,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 12:57:34,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-19 12:57:34,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 12:57:34,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-19 12:57:34,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-01-19 12:57:34,006 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 133 [2022-01-19 12:57:34,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 115 transitions, 261 flow. Second operand has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:34,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 12:57:34,007 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 133 [2022-01-19 12:57:34,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 12:57:35,462 INFO L129 PetriNetUnfolder]: 1/119 cut-off events. [2022-01-19 12:57:35,462 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-01-19 12:57:35,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 119 events. 1/119 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 1 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 186. Up to 34 conditions per place. [2022-01-19 12:57:35,463 INFO L132 encePairwiseOnDemand]: 124/133 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2022-01-19 12:57:35,463 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 113 transitions, 347 flow [2022-01-19 12:57:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-19 12:57:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-01-19 12:57:35,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 885 transitions. [2022-01-19 12:57:35,465 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6654135338345865 [2022-01-19 12:57:35,465 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 885 transitions. [2022-01-19 12:57:35,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 885 transitions. [2022-01-19 12:57:35,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 12:57:35,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 885 transitions. [2022-01-19 12:57:35,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 88.5) internal successors, (885), 10 states have internal predecessors, (885), 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) [2022-01-19 12:57:35,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:35,470 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 133.0) internal successors, (1463), 11 states have internal predecessors, (1463), 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) [2022-01-19 12:57:35,470 INFO L186 Difference]: Start difference. First operand has 141 places, 115 transitions, 261 flow. Second operand 10 states and 885 transitions. [2022-01-19 12:57:35,471 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 113 transitions, 347 flow [2022-01-19 12:57:35,472 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 113 transitions, 333 flow, removed 6 selfloop flow, removed 7 redundant places. [2022-01-19 12:57:35,472 INFO L242 Difference]: Finished difference. Result has 133 places, 0 transitions, 0 flow [2022-01-19 12:57:35,473 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=0, PETRI_PLACES=133, PETRI_TRANSITIONS=0} [2022-01-19 12:57:35,473 INFO L334 CegarLoopForPetriNet]: 127 programPoint places, 6 predicate places. [2022-01-19 12:57:35,473 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 0 transitions, 0 flow [2022-01-19 12:57:35,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 88.4) internal successors, (884), 10 states have internal predecessors, (884), 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) [2022-01-19 12:57:35,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-01-19 12:57:35,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-01-19 12:57:35,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-01-19 12:57:35,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-01-19 12:57:35,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 12:57:35,480 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-01-19 12:57:35,481 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 12:57:35,481 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 12:57:35,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 12:57:35 BasicIcfg [2022-01-19 12:57:35,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 12:57:35,485 INFO L158 Benchmark]: Toolchain (without parser) took 19682.42ms. Allocated memory was 369.1MB in the beginning and 775.9MB in the end (delta: 406.8MB). Free memory was 311.2MB in the beginning and 416.7MB in the end (delta: -105.5MB). Peak memory consumption was 304.5MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,485 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 327.1MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 12:57:35,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.31ms. Allocated memory was 369.1MB in the beginning and 490.7MB in the end (delta: 121.6MB). Free memory was 311.0MB in the beginning and 458.8MB in the end (delta: -147.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.98ms. Allocated memory is still 490.7MB. Free memory was 458.8MB in the beginning and 455.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,486 INFO L158 Benchmark]: Boogie Preprocessor took 28.77ms. Allocated memory is still 490.7MB. Free memory was 455.7MB in the beginning and 453.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,487 INFO L158 Benchmark]: RCFGBuilder took 1025.91ms. Allocated memory is still 490.7MB. Free memory was 453.6MB in the beginning and 356.1MB in the end (delta: 97.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,487 INFO L158 Benchmark]: TraceAbstraction took 18291.86ms. Allocated memory was 490.7MB in the beginning and 775.9MB in the end (delta: 285.2MB). Free memory was 355.0MB in the beginning and 416.7MB in the end (delta: -61.7MB). Peak memory consumption was 226.6MB. Max. memory is 16.0GB. [2022-01-19 12:57:35,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 327.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 279.31ms. Allocated memory was 369.1MB in the beginning and 490.7MB in the end (delta: 121.6MB). Free memory was 311.0MB in the beginning and 458.8MB in the end (delta: -147.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.98ms. Allocated memory is still 490.7MB. Free memory was 458.8MB in the beginning and 455.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 28.77ms. Allocated memory is still 490.7MB. Free memory was 455.7MB in the beginning and 453.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 1025.91ms. Allocated memory is still 490.7MB. Free memory was 453.6MB in the beginning and 356.1MB in the end (delta: 97.5MB). Peak memory consumption was 98.6MB. Max. memory is 16.0GB. * TraceAbstraction took 18291.86ms. Allocated memory was 490.7MB in the beginning and 775.9MB in the end (delta: 285.2MB). Free memory was 355.0MB in the beginning and 416.7MB in the end (delta: -61.7MB). Peak memory consumption was 226.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 101]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 147 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 1141 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1267 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1117 IncrementalHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 220 mSDtfsCounter, 1117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=288occurred in iteration=3, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 690 NumberOfCodeBlocks, 690 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 684 ConstructedInterpolants, 0 QuantifiedInterpolants, 11924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-01-19 12:57:35,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...