/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-bf34d27 [2022-01-19 02:31:13,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-19 02:31:13,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-19 02:31:13,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-19 02:31:13,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-19 02:31:13,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-19 02:31:13,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-19 02:31:13,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-19 02:31:13,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-19 02:31:13,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-19 02:31:13,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-19 02:31:13,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-19 02:31:13,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-19 02:31:13,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-19 02:31:13,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-19 02:31:13,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-19 02:31:13,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-19 02:31:13,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-19 02:31:13,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-19 02:31:13,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-19 02:31:13,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-19 02:31:13,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-19 02:31:13,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-19 02:31:13,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-19 02:31:13,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-19 02:31:13,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-19 02:31:13,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-19 02:31:13,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-19 02:31:13,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-19 02:31:13,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-19 02:31:13,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-19 02:31:13,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-19 02:31:13,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-19 02:31:13,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-19 02:31:13,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-19 02:31:13,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-19 02:31:13,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-19 02:31:13,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-19 02:31:13,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-19 02:31:13,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-19 02:31:13,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-19 02:31:13,229 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.epf [2022-01-19 02:31:13,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-19 02:31:13,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-19 02:31:13,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-19 02:31:13,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-19 02:31:13,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-19 02:31:13,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-19 02:31:13,253 INFO L138 SettingsManager]: * Use SBE=true [2022-01-19 02:31:13,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-19 02:31:13,253 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-19 02:31:13,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-19 02:31:13,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-19 02:31:13,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 02:31:13,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-19 02:31:13,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-19 02:31:13,256 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-19 02:31:13,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-19 02:31:13,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-19 02:31:13,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-19 02:31:13,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-19 02:31:13,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-19 02:31:13,456 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-19 02:31:13,456 INFO L275 PluginConnector]: CDTParser initialized [2022-01-19 02:31:13,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-01-19 02:31:13,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/238791065/7969ba9122644bc6b6fb5edb4bbcbdf3/FLAGc7ffbe82c [2022-01-19 02:31:13,864 INFO L306 CDTParser]: Found 1 translation units. [2022-01-19 02:31:13,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons3.wvr.c [2022-01-19 02:31:13,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/238791065/7969ba9122644bc6b6fb5edb4bbcbdf3/FLAGc7ffbe82c [2022-01-19 02:31:14,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/238791065/7969ba9122644bc6b6fb5edb4bbcbdf3 [2022-01-19 02:31:14,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-19 02:31:14,304 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-19 02:31:14,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-19 02:31:14,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-19 02:31:14,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-19 02:31:14,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f34a395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14, skipping insertion in model container [2022-01-19 02:31:14,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-19 02:31:14,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-19 02:31:14,501 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/popl20-prod-cons3.wvr.c[4007,4020] [2022-01-19 02:31:14,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 02:31:14,529 INFO L203 MainTranslator]: Completed pre-run [2022-01-19 02:31:14,563 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/popl20-prod-cons3.wvr.c[4007,4020] [2022-01-19 02:31:14,566 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-19 02:31:14,581 INFO L208 MainTranslator]: Completed translation [2022-01-19 02:31:14,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14 WrapperNode [2022-01-19 02:31:14,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-19 02:31:14,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-19 02:31:14,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-19 02:31:14,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-19 02:31:14,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,626 INFO L137 Inliner]: procedures = 26, calls = 73, calls flagged for inlining = 15, calls inlined = 17, statements flattened = 267 [2022-01-19 02:31:14,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-19 02:31:14,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-19 02:31:14,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-19 02:31:14,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-19 02:31:14,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-19 02:31:14,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-19 02:31:14,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-19 02:31:14,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-19 02:31:14,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (1/1) ... [2022-01-19 02:31:14,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-19 02:31:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 02:31:14,721 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 02:31:14,751 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 02:31:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-19 02:31:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-19 02:31:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-19 02:31:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-19 02:31:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-19 02:31:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-19 02:31:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-19 02:31:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-19 02:31:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-01-19 02:31:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-01-19 02:31:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-01-19 02:31:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-01-19 02:31:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-19 02:31:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-01-19 02:31:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-01-19 02:31:14,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-19 02:31:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-19 02:31:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-19 02:31:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-19 02:31:14,773 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 02:31:14,858 INFO L234 CfgBuilder]: Building ICFG [2022-01-19 02:31:14,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-19 02:31:15,137 INFO L275 CfgBuilder]: Performing block encoding [2022-01-19 02:31:15,198 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-19 02:31:15,198 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-19 02:31:15,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 02:31:15 BoogieIcfgContainer [2022-01-19 02:31:15,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-19 02:31:15,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-19 02:31:15,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-19 02:31:15,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-19 02:31:15,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.01 02:31:14" (1/3) ... [2022-01-19 02:31:15,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6deb6db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 02:31:15, skipping insertion in model container [2022-01-19 02:31:15,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.01 02:31:14" (2/3) ... [2022-01-19 02:31:15,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6deb6db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.01 02:31:15, skipping insertion in model container [2022-01-19 02:31:15,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.01 02:31:15" (3/3) ... [2022-01-19 02:31:15,208 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2022-01-19 02:31:15,212 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-19 02:31:15,212 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-19 02:31:15,212 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-19 02:31:15,267 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,268 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,269 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,270 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,271 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,273 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,274 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,275 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,276 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,277 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,278 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,279 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,280 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,281 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,282 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,283 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,284 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,285 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,285 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,285 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,285 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,288 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~cond~2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_~temp~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,289 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~w~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,290 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,291 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,291 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,291 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~temp~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~mem4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,292 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-19 02:31:15,297 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-01-19 02:31:15,334 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-19 02:31:15,338 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 02:31:15,339 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-01-19 02:31:15,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 234 places, 239 transitions, 510 flow [2022-01-19 02:31:15,412 INFO L129 PetriNetUnfolder]: 18/235 cut-off events. [2022-01-19 02:31:15,412 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-01-19 02:31:15,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 235 events. 18/235 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 125 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 201. Up to 3 conditions per place. [2022-01-19 02:31:15,416 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 239 transitions, 510 flow [2022-01-19 02:31:15,420 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 222 transitions, 468 flow [2022-01-19 02:31:15,448 INFO L129 PetriNetUnfolder]: 18/221 cut-off events. [2022-01-19 02:31:15,448 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-01-19 02:31:15,448 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:15,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:15,449 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:15,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:15,452 INFO L85 PathProgramCache]: Analyzing trace with hash 686657683, now seen corresponding path program 1 times [2022-01-19 02:31:15,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:15,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544113438] [2022-01-19 02:31:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:15,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:15,672 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 02:31:15,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:15,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544113438] [2022-01-19 02:31:15,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544113438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:15,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:15,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-19 02:31:15,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117208602] [2022-01-19 02:31:15,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:15,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-19 02:31:15,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:15,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-19 02:31:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-19 02:31:15,704 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 239 [2022-01-19 02:31:15,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 222 transitions, 468 flow. Second operand has 2 states, 2 states have (on average 220.0) internal successors, (440), 2 states have internal predecessors, (440), 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 02:31:15,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:15,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 239 [2022-01-19 02:31:15,709 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:15,821 INFO L129 PetriNetUnfolder]: 101/488 cut-off events. [2022-01-19 02:31:15,821 INFO L130 PetriNetUnfolder]: For 78/78 co-relation queries the response was YES. [2022-01-19 02:31:15,825 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 488 events. 101/488 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1660 event pairs, 45 based on Foata normal form. 88/516 useless extension candidates. Maximal degree in co-relation 480. Up to 133 conditions per place. [2022-01-19 02:31:15,828 INFO L132 encePairwiseOnDemand]: 227/239 looper letters, 12 selfloop transitions, 0 changer transitions 7/210 dead transitions. [2022-01-19 02:31:15,828 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 210 transitions, 468 flow [2022-01-19 02:31:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-19 02:31:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-01-19 02:31:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 452 transitions. [2022-01-19 02:31:15,841 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9456066945606695 [2022-01-19 02:31:15,841 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 452 transitions. [2022-01-19 02:31:15,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 452 transitions. [2022-01-19 02:31:15,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:15,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 452 transitions. [2022-01-19 02:31:15,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 226.0) internal successors, (452), 2 states have internal predecessors, (452), 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 02:31:15,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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 02:31:15,854 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 239.0) internal successors, (717), 3 states have internal predecessors, (717), 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 02:31:15,855 INFO L186 Difference]: Start difference. First operand has 217 places, 222 transitions, 468 flow. Second operand 2 states and 452 transitions. [2022-01-19 02:31:15,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 210 transitions, 468 flow [2022-01-19 02:31:15,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 210 transitions, 452 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-01-19 02:31:15,865 INFO L242 Difference]: Finished difference. Result has 210 places, 203 transitions, 414 flow [2022-01-19 02:31:15,866 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=414, PETRI_PLACES=210, PETRI_TRANSITIONS=203} [2022-01-19 02:31:15,869 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -7 predicate places. [2022-01-19 02:31:15,870 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 203 transitions, 414 flow [2022-01-19 02:31:15,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 220.0) internal successors, (440), 2 states have internal predecessors, (440), 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 02:31:15,870 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:15,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:15,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-19 02:31:15,871 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:15,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:15,872 INFO L85 PathProgramCache]: Analyzing trace with hash -632552533, now seen corresponding path program 1 times [2022-01-19 02:31:15,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:15,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785696147] [2022-01-19 02:31:15,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:15,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:16,076 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 02:31:16,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:16,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785696147] [2022-01-19 02:31:16,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785696147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:16,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:16,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 02:31:16,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535169992] [2022-01-19 02:31:16,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:16,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 02:31:16,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:16,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 02:31:16,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 02:31:16,082 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 239 [2022-01-19 02:31:16,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 203 transitions, 414 flow. Second operand has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 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 02:31:16,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:16,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 239 [2022-01-19 02:31:16,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:16,314 INFO L129 PetriNetUnfolder]: 692/1436 cut-off events. [2022-01-19 02:31:16,314 INFO L130 PetriNetUnfolder]: For 110/111 co-relation queries the response was YES. [2022-01-19 02:31:16,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2458 conditions, 1436 events. 692/1436 cut-off events. For 110/111 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7622 event pairs, 65 based on Foata normal form. 0/1367 useless extension candidates. Maximal degree in co-relation 2455. Up to 335 conditions per place. [2022-01-19 02:31:16,326 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 51 selfloop transitions, 5 changer transitions 0/236 dead transitions. [2022-01-19 02:31:16,326 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 236 transitions, 599 flow [2022-01-19 02:31:16,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 02:31:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 02:31:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1073 transitions. [2022-01-19 02:31:16,328 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.897907949790795 [2022-01-19 02:31:16,328 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1073 transitions. [2022-01-19 02:31:16,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1073 transitions. [2022-01-19 02:31:16,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:16,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1073 transitions. [2022-01-19 02:31:16,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 214.6) internal successors, (1073), 5 states have internal predecessors, (1073), 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 02:31:16,334 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 02:31:16,334 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 02:31:16,334 INFO L186 Difference]: Start difference. First operand has 210 places, 203 transitions, 414 flow. Second operand 5 states and 1073 transitions. [2022-01-19 02:31:16,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 236 transitions, 599 flow [2022-01-19 02:31:16,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 236 transitions, 599 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-01-19 02:31:16,342 INFO L242 Difference]: Finished difference. Result has 210 places, 206 transitions, 445 flow [2022-01-19 02:31:16,342 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=445, PETRI_PLACES=210, PETRI_TRANSITIONS=206} [2022-01-19 02:31:16,342 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -7 predicate places. [2022-01-19 02:31:16,343 INFO L470 AbstractCegarLoop]: Abstraction has has 210 places, 206 transitions, 445 flow [2022-01-19 02:31:16,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 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 02:31:16,343 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:16,343 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:16,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-19 02:31:16,344 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:16,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1721766947, now seen corresponding path program 2 times [2022-01-19 02:31:16,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:16,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764944041] [2022-01-19 02:31:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:16,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:16,463 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 02:31:16,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:16,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764944041] [2022-01-19 02:31:16,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764944041] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:16,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:16,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-19 02:31:16,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596362309] [2022-01-19 02:31:16,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:16,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-19 02:31:16,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-19 02:31:16,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-19 02:31:16,466 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 239 [2022-01-19 02:31:16,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 206 transitions, 445 flow. Second operand has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 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 02:31:16,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:16,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 239 [2022-01-19 02:31:16,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:16,739 INFO L129 PetriNetUnfolder]: 827/1749 cut-off events. [2022-01-19 02:31:16,740 INFO L130 PetriNetUnfolder]: For 487/488 co-relation queries the response was YES. [2022-01-19 02:31:16,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3397 conditions, 1749 events. 827/1749 cut-off events. For 487/488 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 10398 event pairs, 194 based on Foata normal form. 0/1639 useless extension candidates. Maximal degree in co-relation 3390. Up to 437 conditions per place. [2022-01-19 02:31:16,750 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 50 selfloop transitions, 7 changer transitions 0/237 dead transitions. [2022-01-19 02:31:16,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 237 transitions, 648 flow [2022-01-19 02:31:16,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-19 02:31:16,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-01-19 02:31:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1070 transitions. [2022-01-19 02:31:16,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.895397489539749 [2022-01-19 02:31:16,752 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1070 transitions. [2022-01-19 02:31:16,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1070 transitions. [2022-01-19 02:31:16,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:16,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1070 transitions. [2022-01-19 02:31:16,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 214.0) internal successors, (1070), 5 states have internal predecessors, (1070), 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 02:31:16,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 02:31:16,757 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 239.0) internal successors, (1434), 6 states have internal predecessors, (1434), 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 02:31:16,757 INFO L186 Difference]: Start difference. First operand has 210 places, 206 transitions, 445 flow. Second operand 5 states and 1070 transitions. [2022-01-19 02:31:16,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 237 transitions, 648 flow [2022-01-19 02:31:16,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 237 transitions, 643 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 02:31:16,761 INFO L242 Difference]: Finished difference. Result has 216 places, 210 transitions, 488 flow [2022-01-19 02:31:16,761 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=442, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=488, PETRI_PLACES=216, PETRI_TRANSITIONS=210} [2022-01-19 02:31:16,763 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, -1 predicate places. [2022-01-19 02:31:16,763 INFO L470 AbstractCegarLoop]: Abstraction has has 216 places, 210 transitions, 488 flow [2022-01-19 02:31:16,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 206.75) internal successors, (827), 4 states have internal predecessors, (827), 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 02:31:16,764 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:16,764 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:16,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-19 02:31:16,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:16,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:16,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1272435617, now seen corresponding path program 3 times [2022-01-19 02:31:16,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:16,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736306104] [2022-01-19 02:31:16,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:16,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:16,987 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 02:31:16,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:16,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736306104] [2022-01-19 02:31:16,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736306104] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:16,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:16,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-19 02:31:16,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947621529] [2022-01-19 02:31:16,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:16,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-19 02:31:16,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:16,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-19 02:31:16,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-01-19 02:31:16,993 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 239 [2022-01-19 02:31:16,994 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 210 transitions, 488 flow. Second operand has 8 states, 8 states have (on average 169.75) internal successors, (1358), 8 states have internal predecessors, (1358), 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 02:31:16,994 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:16,994 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 239 [2022-01-19 02:31:16,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:17,597 INFO L129 PetriNetUnfolder]: 2078/4221 cut-off events. [2022-01-19 02:31:17,597 INFO L130 PetriNetUnfolder]: For 1960/1960 co-relation queries the response was YES. [2022-01-19 02:31:17,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9143 conditions, 4221 events. 2078/4221 cut-off events. For 1960/1960 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 32050 event pairs, 370 based on Foata normal form. 45/4175 useless extension candidates. Maximal degree in co-relation 9133. Up to 959 conditions per place. [2022-01-19 02:31:17,620 INFO L132 encePairwiseOnDemand]: 228/239 looper letters, 96 selfloop transitions, 15 changer transitions 0/259 dead transitions. [2022-01-19 02:31:17,620 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 259 transitions, 863 flow [2022-01-19 02:31:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-19 02:31:17,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-01-19 02:31:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1905 transitions. [2022-01-19 02:31:17,623 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7246101179155573 [2022-01-19 02:31:17,623 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1905 transitions. [2022-01-19 02:31:17,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1905 transitions. [2022-01-19 02:31:17,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:17,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1905 transitions. [2022-01-19 02:31:17,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 173.1818181818182) internal successors, (1905), 11 states have internal predecessors, (1905), 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 02:31:17,629 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 239.0) internal successors, (2868), 12 states have internal predecessors, (2868), 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 02:31:17,631 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 239.0) internal successors, (2868), 12 states have internal predecessors, (2868), 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 02:31:17,631 INFO L186 Difference]: Start difference. First operand has 216 places, 210 transitions, 488 flow. Second operand 11 states and 1905 transitions. [2022-01-19 02:31:17,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 259 transitions, 863 flow [2022-01-19 02:31:17,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 259 transitions, 856 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 02:31:17,643 INFO L242 Difference]: Finished difference. Result has 229 places, 217 transitions, 579 flow [2022-01-19 02:31:17,643 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=579, PETRI_PLACES=229, PETRI_TRANSITIONS=217} [2022-01-19 02:31:17,644 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 12 predicate places. [2022-01-19 02:31:17,645 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 217 transitions, 579 flow [2022-01-19 02:31:17,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 169.75) internal successors, (1358), 8 states have internal predecessors, (1358), 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 02:31:17,645 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:17,646 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:17,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-19 02:31:17,646 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:17,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:17,646 INFO L85 PathProgramCache]: Analyzing trace with hash 885804556, now seen corresponding path program 1 times [2022-01-19 02:31:17,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:17,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229915571] [2022-01-19 02:31:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:17,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 02:31:17,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:17,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229915571] [2022-01-19 02:31:17,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229915571] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:17,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:17,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 02:31:17,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847840562] [2022-01-19 02:31:17,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:17,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 02:31:17,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:17,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 02:31:17,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 02:31:17,756 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 239 [2022-01-19 02:31:17,757 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 217 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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 02:31:17,757 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:17,757 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 239 [2022-01-19 02:31:17,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:17,876 INFO L129 PetriNetUnfolder]: 363/1240 cut-off events. [2022-01-19 02:31:17,876 INFO L130 PetriNetUnfolder]: For 461/461 co-relation queries the response was YES. [2022-01-19 02:31:17,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2296 conditions, 1240 events. 363/1240 cut-off events. For 461/461 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 7768 event pairs, 100 based on Foata normal form. 18/1188 useless extension candidates. Maximal degree in co-relation 2282. Up to 384 conditions per place. [2022-01-19 02:31:17,887 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 21 selfloop transitions, 4 changer transitions 0/218 dead transitions. [2022-01-19 02:31:17,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 218 transitions, 603 flow [2022-01-19 02:31:17,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 02:31:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 02:31:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2022-01-19 02:31:17,888 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.902370990237099 [2022-01-19 02:31:17,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 647 transitions. [2022-01-19 02:31:17,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 647 transitions. [2022-01-19 02:31:17,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:17,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 647 transitions. [2022-01-19 02:31:17,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.66666666666666) internal successors, (647), 3 states have internal predecessors, (647), 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 02:31:17,891 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:31:17,891 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:31:17,891 INFO L186 Difference]: Start difference. First operand has 229 places, 217 transitions, 579 flow. Second operand 3 states and 647 transitions. [2022-01-19 02:31:17,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 218 transitions, 603 flow [2022-01-19 02:31:17,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 218 transitions, 579 flow, removed 2 selfloop flow, removed 9 redundant places. [2022-01-19 02:31:17,897 INFO L242 Difference]: Finished difference. Result has 222 places, 213 transitions, 532 flow [2022-01-19 02:31:17,897 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=532, PETRI_PLACES=222, PETRI_TRANSITIONS=213} [2022-01-19 02:31:17,899 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 5 predicate places. [2022-01-19 02:31:17,899 INFO L470 AbstractCegarLoop]: Abstraction has has 222 places, 213 transitions, 532 flow [2022-01-19 02:31:17,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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 02:31:17,900 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:17,900 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:17,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-19 02:31:17,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:17,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:17,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1258556134, now seen corresponding path program 1 times [2022-01-19 02:31:17,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:17,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822802224] [2022-01-19 02:31:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:17,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 02:31:17,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:17,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822802224] [2022-01-19 02:31:17,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822802224] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:17,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:17,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 02:31:17,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495546810] [2022-01-19 02:31:17,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:17,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 02:31:17,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:17,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 02:31:17,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-19 02:31:17,965 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 239 [2022-01-19 02:31:17,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 213 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 192.83333333333334) internal successors, (1157), 6 states have internal predecessors, (1157), 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 02:31:17,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:17,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 239 [2022-01-19 02:31:17,966 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:18,164 INFO L129 PetriNetUnfolder]: 393/1358 cut-off events. [2022-01-19 02:31:18,164 INFO L130 PetriNetUnfolder]: For 478/481 co-relation queries the response was YES. [2022-01-19 02:31:18,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2570 conditions, 1358 events. 393/1358 cut-off events. For 478/481 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 8325 event pairs, 166 based on Foata normal form. 13/1275 useless extension candidates. Maximal degree in co-relation 2557. Up to 434 conditions per place. [2022-01-19 02:31:18,171 INFO L132 encePairwiseOnDemand]: 231/239 looper letters, 37 selfloop transitions, 6 changer transitions 8/225 dead transitions. [2022-01-19 02:31:18,172 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 225 transitions, 663 flow [2022-01-19 02:31:18,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-19 02:31:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-01-19 02:31:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1367 transitions. [2022-01-19 02:31:18,174 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.817095038852361 [2022-01-19 02:31:18,174 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1367 transitions. [2022-01-19 02:31:18,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1367 transitions. [2022-01-19 02:31:18,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:18,175 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1367 transitions. [2022-01-19 02:31:18,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 195.28571428571428) internal successors, (1367), 7 states have internal predecessors, (1367), 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 02:31:18,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 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 02:31:18,180 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 239.0) internal successors, (1912), 8 states have internal predecessors, (1912), 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 02:31:18,180 INFO L186 Difference]: Start difference. First operand has 222 places, 213 transitions, 532 flow. Second operand 7 states and 1367 transitions. [2022-01-19 02:31:18,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 225 transitions, 663 flow [2022-01-19 02:31:18,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 225 transitions, 659 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 02:31:18,184 INFO L242 Difference]: Finished difference. Result has 229 places, 214 transitions, 550 flow [2022-01-19 02:31:18,184 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=528, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=550, PETRI_PLACES=229, PETRI_TRANSITIONS=214} [2022-01-19 02:31:18,185 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 12 predicate places. [2022-01-19 02:31:18,185 INFO L470 AbstractCegarLoop]: Abstraction has has 229 places, 214 transitions, 550 flow [2022-01-19 02:31:18,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 192.83333333333334) internal successors, (1157), 6 states have internal predecessors, (1157), 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 02:31:18,186 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:18,186 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:18,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-19 02:31:18,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:18,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:18,187 INFO L85 PathProgramCache]: Analyzing trace with hash 173680651, now seen corresponding path program 1 times [2022-01-19 02:31:18,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:18,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244814890] [2022-01-19 02:31:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:18,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-19 02:31:18,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:18,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244814890] [2022-01-19 02:31:18,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244814890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:18,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:18,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-19 02:31:18,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402443827] [2022-01-19 02:31:18,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:18,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-19 02:31:18,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:18,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-19 02:31:18,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-19 02:31:18,272 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 239 [2022-01-19 02:31:18,272 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 214 transitions, 550 flow. Second operand has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 02:31:18,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:18,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 239 [2022-01-19 02:31:18,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:18,355 INFO L129 PetriNetUnfolder]: 206/835 cut-off events. [2022-01-19 02:31:18,355 INFO L130 PetriNetUnfolder]: For 323/325 co-relation queries the response was YES. [2022-01-19 02:31:18,358 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 835 events. 206/835 cut-off events. For 323/325 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4244 event pairs, 77 based on Foata normal form. 6/809 useless extension candidates. Maximal degree in co-relation 1569. Up to 255 conditions per place. [2022-01-19 02:31:18,360 INFO L132 encePairwiseOnDemand]: 234/239 looper letters, 20 selfloop transitions, 4 changer transitions 1/219 dead transitions. [2022-01-19 02:31:18,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 219 transitions, 614 flow [2022-01-19 02:31:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-19 02:31:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-01-19 02:31:18,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2022-01-19 02:31:18,362 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.900976290097629 [2022-01-19 02:31:18,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 646 transitions. [2022-01-19 02:31:18,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 646 transitions. [2022-01-19 02:31:18,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:18,362 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 646 transitions. [2022-01-19 02:31:18,363 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 215.33333333333334) internal successors, (646), 3 states have internal predecessors, (646), 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 02:31:18,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:31:18,364 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:31:18,364 INFO L186 Difference]: Start difference. First operand has 229 places, 214 transitions, 550 flow. Second operand 3 states and 646 transitions. [2022-01-19 02:31:18,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 219 transitions, 614 flow [2022-01-19 02:31:18,366 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 219 transitions, 602 flow, removed 1 selfloop flow, removed 5 redundant places. [2022-01-19 02:31:18,370 INFO L242 Difference]: Finished difference. Result has 226 places, 215 transitions, 556 flow [2022-01-19 02:31:18,371 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=538, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=556, PETRI_PLACES=226, PETRI_TRANSITIONS=215} [2022-01-19 02:31:18,371 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 9 predicate places. [2022-01-19 02:31:18,371 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 215 transitions, 556 flow [2022-01-19 02:31:18,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-19 02:31:18,372 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:18,372 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:18,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-19 02:31:18,372 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:18,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:18,373 INFO L85 PathProgramCache]: Analyzing trace with hash -318698803, now seen corresponding path program 1 times [2022-01-19 02:31:18,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:18,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212374724] [2022-01-19 02:31:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:18,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-19 02:31:18,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:18,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212374724] [2022-01-19 02:31:18,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212374724] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-19 02:31:18,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-19 02:31:18,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-19 02:31:18,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740130115] [2022-01-19 02:31:18,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-19 02:31:18,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-19 02:31:18,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-19 02:31:18,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-19 02:31:18,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-01-19 02:31:18,436 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 239 [2022-01-19 02:31:18,437 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 215 transitions, 556 flow. Second operand has 6 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 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 02:31:18,437 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-01-19 02:31:18,437 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 239 [2022-01-19 02:31:18,437 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-01-19 02:31:18,586 INFO L129 PetriNetUnfolder]: 214/943 cut-off events. [2022-01-19 02:31:18,586 INFO L130 PetriNetUnfolder]: For 406/421 co-relation queries the response was YES. [2022-01-19 02:31:18,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1854 conditions, 943 events. 214/943 cut-off events. For 406/421 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 4624 event pairs, 80 based on Foata normal form. 4/898 useless extension candidates. Maximal degree in co-relation 1839. Up to 273 conditions per place. [2022-01-19 02:31:18,591 INFO L132 encePairwiseOnDemand]: 229/239 looper letters, 37 selfloop transitions, 8 changer transitions 19/238 dead transitions. [2022-01-19 02:31:18,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 238 transitions, 743 flow [2022-01-19 02:31:18,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-19 02:31:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-01-19 02:31:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1753 transitions. [2022-01-19 02:31:18,594 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8149697814969782 [2022-01-19 02:31:18,594 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1753 transitions. [2022-01-19 02:31:18,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1753 transitions. [2022-01-19 02:31:18,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-01-19 02:31:18,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1753 transitions. [2022-01-19 02:31:18,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 194.77777777777777) internal successors, (1753), 9 states have internal predecessors, (1753), 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 02:31:18,599 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 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 02:31:18,600 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 239.0) internal successors, (2390), 10 states have internal predecessors, (2390), 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 02:31:18,600 INFO L186 Difference]: Start difference. First operand has 226 places, 215 transitions, 556 flow. Second operand 9 states and 1753 transitions. [2022-01-19 02:31:18,600 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 238 transitions, 743 flow [2022-01-19 02:31:18,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 238 transitions, 739 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-01-19 02:31:18,603 INFO L242 Difference]: Finished difference. Result has 235 places, 216 transitions, 580 flow [2022-01-19 02:31:18,604 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=239, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=580, PETRI_PLACES=235, PETRI_TRANSITIONS=216} [2022-01-19 02:31:18,605 INFO L334 CegarLoopForPetriNet]: 217 programPoint places, 18 predicate places. [2022-01-19 02:31:18,605 INFO L470 AbstractCegarLoop]: Abstraction has has 235 places, 216 transitions, 580 flow [2022-01-19 02:31:18,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.66666666666666) internal successors, (1162), 6 states have internal predecessors, (1162), 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 02:31:18,606 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-01-19 02:31:18,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:31:18,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-19 02:31:18,606 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-01-19 02:31:18,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-19 02:31:18,606 INFO L85 PathProgramCache]: Analyzing trace with hash 125726481, now seen corresponding path program 1 times [2022-01-19 02:31:18,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-19 02:31:18,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906017136] [2022-01-19 02:31:18,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:18,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-19 02:31:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 02:31:20,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-19 02:31:20,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906017136] [2022-01-19 02:31:20,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906017136] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-19 02:31:20,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215721123] [2022-01-19 02:31:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-19 02:31:20,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 02:31:20,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-19 02:31:20,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-19 02:31:20,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-19 02:31:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-19 02:31:20,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 102 conjunts are in the unsatisfiable core [2022-01-19 02:31:20,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-19 02:31:20,781 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:20,841 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-19 02:31:20,841 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-01-19 02:31:20,893 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-19 02:31:20,893 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-01-19 02:31:20,963 INFO L353 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-01-19 02:31:20,964 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 25 [2022-01-19 02:31:22,489 INFO L353 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-01-19 02:31:22,490 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 31 [2022-01-19 02:31:22,961 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-01-19 02:31:24,740 INFO L353 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-01-19 02:31:24,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 32 [2022-01-19 02:31:25,316 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:26,492 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:26,711 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:27,063 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:27,203 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-01-19 02:31:27,931 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:31:27,931 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 30 [2022-01-19 02:31:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-19 02:31:28,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-19 02:31:37,825 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:31:37,825 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 122 [2022-01-19 02:31:38,127 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:31:38,136 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 109991922 treesize of output 108153874 [2022-01-19 02:34:43,850 WARN L228 SmtUtils]: Spent 3.09m on a formula simplification that was a NOOP. DAG size: 9416 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-01-19 02:34:44,492 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:34:44,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 108153778 treesize of output 97651334 [2022-01-19 02:37:45,970 WARN L228 SmtUtils]: Spent 3.02m on a formula simplification that was a NOOP. DAG size: 9433 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-01-19 02:37:46,493 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:37:46,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 97651250 treesize of output 92400070 [2022-01-19 02:40:47,961 WARN L228 SmtUtils]: Spent 3.02m on a formula simplification that was a NOOP. DAG size: 9450 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-01-19 02:40:48,602 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:40:48,610 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92399986 treesize of output 71395014 [2022-01-19 02:43:56,680 WARN L228 SmtUtils]: Spent 3.13m on a formula simplification that was a NOOP. DAG size: 9467 (called from [L1067] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-01-19 02:43:57,189 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-01-19 02:43:57,197 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71394930 treesize of output 68769382 Received shutdown request... [2022-01-19 02:45:51,974 WARN L244 SmtUtils]: Removed 1 from assertion stack [2022-01-19 02:45:51,975 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-01-19 02:45:51,980 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-19 02:45:51,981 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-19 02:45:52,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-19 02:45:52,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-19 02:45:52,194 WARN L594 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-01-19 02:45:52,195 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-01-19 02:45:52,195 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-01-19 02:45:52,195 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-01-19 02:45:52,196 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-01-19 02:45:52,198 INFO L732 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-01-19 02:45:52,199 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-19 02:45:52,199 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-19 02:45:52,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.01 02:45:52 BasicIcfg [2022-01-19 02:45:52,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-19 02:45:52,201 INFO L158 Benchmark]: Toolchain (without parser) took 877897.07ms. Allocated memory was 413.1MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 358.4MB in the beginning and 1.2GB in the end (delta: -811.3MB). Peak memory consumption was 896.3MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,201 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 413.1MB. Free memory is still 375.6MB. There was no memory consumed. Max. memory is 16.0GB. [2022-01-19 02:45:52,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.36ms. Allocated memory was 413.1MB in the beginning and 497.0MB in the end (delta: 83.9MB). Free memory was 358.2MB in the beginning and 468.6MB in the end (delta: -110.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 497.0MB. Free memory was 468.6MB in the beginning and 466.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,202 INFO L158 Benchmark]: Boogie Preprocessor took 21.47ms. Allocated memory is still 497.0MB. Free memory was 466.5MB in the beginning and 464.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,202 INFO L158 Benchmark]: RCFGBuilder took 552.21ms. Allocated memory is still 497.0MB. Free memory was 464.4MB in the beginning and 435.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,202 INFO L158 Benchmark]: TraceAbstraction took 876999.03ms. Allocated memory was 497.0MB in the beginning and 1.5GB in the end (delta: 996.1MB). Free memory was 435.1MB in the beginning and 1.2GB in the end (delta: -734.6MB). Peak memory consumption was 888.5MB. Max. memory is 16.0GB. [2022-01-19 02:45:52,203 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 413.1MB. Free memory is still 375.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 278.36ms. Allocated memory was 413.1MB in the beginning and 497.0MB in the end (delta: 83.9MB). Free memory was 358.2MB in the beginning and 468.6MB in the end (delta: -110.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 497.0MB. Free memory was 468.6MB in the beginning and 466.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 21.47ms. Allocated memory is still 497.0MB. Free memory was 466.5MB in the beginning and 464.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 552.21ms. Allocated memory is still 497.0MB. Free memory was 464.4MB in the beginning and 435.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * TraceAbstraction took 876999.03ms. Allocated memory was 497.0MB in the beginning and 1.5GB in the end (delta: 996.1MB). Free memory was 435.1MB in the beginning and 1.2GB in the end (delta: -734.6MB). Peak memory consumption was 888.5MB. 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 - TimeoutResultAtElement [Line: 150]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 140]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 141]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 203 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-35-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 260 locations, 5 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: 876.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 259 mSDsluCounter, 259 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 363 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 644 IncrementalHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 92 mSDtfsCounter, 644 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=580occurred in iteration=8, InterpolantAutomatonStates: 45, 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, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1428 NumberOfCodeBlocks, 1428 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1420 ConstructedInterpolants, 0 QuantifiedInterpolants, 4570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown