./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:19:14,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:19:14,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:19:14,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:19:14,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:19:14,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:19:14,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:19:14,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:19:14,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:19:14,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:19:14,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:19:14,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:19:14,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:19:14,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:19:14,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:19:14,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:19:14,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:19:14,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:19:14,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:19:14,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:19:14,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:19:14,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:19:14,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:19:14,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:19:14,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:19:14,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:19:14,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:19:14,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:19:14,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:19:14,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:19:14,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:19:14,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:19:14,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:19:14,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:19:14,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:19:14,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:19:14,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:19:14,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:19:14,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:19:14,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:19:14,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:19:14,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 08:19:14,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:19:14,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:19:14,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:19:14,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:19:14,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:19:14,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:19:14,221 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:19:14,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:19:14,221 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:19:14,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:19:14,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:19:14,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:19:14,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 08:19:14,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 08:19:14,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 08:19:14,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:19:14,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:19:14,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:19:14,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 08:19:14,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:19:14,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:19:14,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 08:19:14,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:19:14,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:19:14,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 08:19:14,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 08:19:14,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:19:14,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 08:19:14,228 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 08:19:14,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 08:19:14,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 08:19:14,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:19:14,230 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff [2021-11-07 08:19:14,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:19:14,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:19:14,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:19:14,616 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:19:14,617 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:19:14,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2021-11-07 08:19:14,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/data/bb9f3ebf7/69249a973ab54009a0c1a26042b48fae/FLAG51e4a4e3f [2021-11-07 08:19:15,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:19:15,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/sv-benchmarks/c/weaver/chl-match-trans.wvr.c [2021-11-07 08:19:15,272 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/data/bb9f3ebf7/69249a973ab54009a0c1a26042b48fae/FLAG51e4a4e3f [2021-11-07 08:19:15,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/data/bb9f3ebf7/69249a973ab54009a0c1a26042b48fae [2021-11-07 08:19:15,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:19:15,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:19:15,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:19:15,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:19:15,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:19:15,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:19:15" (1/1) ... [2021-11-07 08:19:15,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465a97b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:15, skipping insertion in model container [2021-11-07 08:19:15,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:19:15" (1/1) ... [2021-11-07 08:19:15,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:19:15,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:19:15,960 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967] [2021-11-07 08:19:15,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:19:15,985 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:19:16,035 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/sv-benchmarks/c/weaver/chl-match-trans.wvr.c[2954,2967] [2021-11-07 08:19:16,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:19:16,076 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:19:16,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16 WrapperNode [2021-11-07 08:19:16,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:19:16,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:19:16,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:19:16,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:19:16,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:19:16,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:19:16,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:19:16,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:19:16,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:19:16,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:19:16,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:19:16,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:19:16,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (1/1) ... [2021-11-07 08:19:16,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 08:19:16,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:19:16,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 08:19:16,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df8d008f-55ad-4658-8864-04589ac6fb7f/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 08:19:16,325 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-07 08:19:16,325 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-07 08:19:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-07 08:19:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-07 08:19:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-07 08:19:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-07 08:19:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 08:19:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:19:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:19:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:19:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:19:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:19:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:19:16,330 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 08:19:16,978 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:19:16,982 INFO L299 CfgBuilder]: Removed 42 assume(true) statements. [2021-11-07 08:19:16,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:19:16 BoogieIcfgContainer [2021-11-07 08:19:16,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:19:16,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 08:19:16,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 08:19:16,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 08:19:16,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:19:15" (1/3) ... [2021-11-07 08:19:16,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498e02d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:19:16, skipping insertion in model container [2021-11-07 08:19:16,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:19:16" (2/3) ... [2021-11-07 08:19:16,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498e02d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:19:16, skipping insertion in model container [2021-11-07 08:19:16,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:19:16" (3/3) ... [2021-11-07 08:19:16,999 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2021-11-07 08:19:17,006 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 08:19:17,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 08:19:17,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 08:19:17,007 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 08:19:17,097 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,099 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,100 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,101 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,101 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,101 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,101 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,102 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,102 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,103 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,103 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,104 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,104 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,105 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,105 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,106 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,106 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,107 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,108 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,108 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,109 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,110 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,110 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,110 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,111 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,111 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,112 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,112 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,113 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,114 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,114 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,115 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,115 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,115 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,116 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,117 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,118 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,118 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,118 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,119 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,119 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,120 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,120 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,121 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,122 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,123 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,123 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,124 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,125 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,126 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,127 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,128 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,128 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,128 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,129 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,129 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,129 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,130 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,130 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,130 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,131 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,131 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,132 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,133 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,136 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,136 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,136 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,138 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,138 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,139 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,139 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,139 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,140 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,146 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,147 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,147 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,147 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,148 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,148 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,148 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,148 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,148 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,149 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,149 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,150 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,150 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,150 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,151 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,152 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,152 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,152 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,152 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,152 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,153 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,153 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,154 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,155 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,155 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,155 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,156 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,157 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,158 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,158 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,158 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,158 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,158 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,159 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,160 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,161 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,162 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,162 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,162 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,162 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,164 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,164 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,164 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,164 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,165 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,165 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,166 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,167 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,168 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,169 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,170 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,171 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,172 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,173 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,173 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,173 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,173 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,173 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,174 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,174 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,174 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,175 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,175 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,175 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,175 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,175 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,176 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,176 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,176 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,176 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,177 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,177 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,178 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,182 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,182 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,182 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,183 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,183 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,183 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,183 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,184 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,184 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,186 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,186 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,186 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,187 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,187 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,187 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,188 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,188 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,188 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,189 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,196 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,197 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,197 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,197 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,200 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,201 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,203 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,203 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,204 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,204 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,205 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,207 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,208 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,209 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,210 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,210 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,211 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,211 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,212 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,212 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,214 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,214 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,214 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,214 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,215 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,215 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,216 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,216 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,217 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,218 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,218 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,218 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,218 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,219 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,219 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,219 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,219 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,220 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,220 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,220 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,220 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,220 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,221 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,221 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,222 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,222 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,223 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,224 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,224 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,225 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,226 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,226 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,227 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,227 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,227 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,227 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,227 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,228 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,228 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,228 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,228 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,229 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,229 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,229 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,229 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,229 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,230 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,230 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,230 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,230 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,230 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,231 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,231 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,231 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,231 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,232 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,233 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,239 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,240 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,241 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,242 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,243 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,244 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,245 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,246 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,246 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,246 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,247 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,248 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,248 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,248 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,248 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,249 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,249 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,249 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,250 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,250 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,250 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,250 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,251 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,252 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,252 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,252 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,252 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,253 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,254 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,255 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,256 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,268 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,269 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,270 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,271 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,272 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,300 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,300 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,300 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,300 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,301 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,301 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,301 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,301 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,301 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,302 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,302 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,302 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,302 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,302 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,303 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,304 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,304 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,304 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,305 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,305 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,305 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,305 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,305 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,306 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,306 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,306 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,307 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,307 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,307 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,307 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,307 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,308 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,308 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,309 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,309 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,310 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,311 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,311 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,312 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,313 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,314 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,315 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,321 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s1~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,322 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,322 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,323 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,323 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,323 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,324 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,325 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,326 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,326 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~s2~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,327 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~ret16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,340 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ret3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,341 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,341 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,342 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,342 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s2~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,343 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,343 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,344 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,344 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,344 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~s1~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,351 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,352 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s2~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,352 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,353 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,353 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,354 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,355 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,355 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~s1~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,356 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,356 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,356 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 08:19:17,374 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-11-07 08:19:17,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 08:19:17,435 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=true, 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 [2021-11-07 08:19:17,435 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 08:19:17,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 299 transitions, 622 flow [2021-11-07 08:19:17,619 INFO L129 PetriNetUnfolder]: 25/296 cut-off events. [2021-11-07 08:19:17,619 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-07 08:19:17,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 296 events. 25/296 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 566 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 220. Up to 2 conditions per place. [2021-11-07 08:19:17,631 INFO L82 GeneralOperation]: Start removeDead. Operand has 284 places, 299 transitions, 622 flow [2021-11-07 08:19:17,642 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 271 places, 286 transitions, 590 flow [2021-11-07 08:19:17,733 INFO L129 PetriNetUnfolder]: 25/285 cut-off events. [2021-11-07 08:19:17,733 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-07 08:19:17,739 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:17,741 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:17,742 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:17,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1721143283, now seen corresponding path program 1 times [2021-11-07 08:19:17,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:17,760 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318094806] [2021-11-07 08:19:17,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:17,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:18,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:18,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318094806] [2021-11-07 08:19:18,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318094806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:18,514 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:18,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-07 08:19:18,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613468328] [2021-11-07 08:19:18,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 08:19:18,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:18,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 08:19:18,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-07 08:19:18,579 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 274 out of 299 [2021-11-07 08:19:18,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 286 transitions, 590 flow. Second operand has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:18,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:18,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 274 of 299 [2021-11-07 08:19:18,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:18,842 INFO L129 PetriNetUnfolder]: 11/292 cut-off events. [2021-11-07 08:19:18,842 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-11-07 08:19:18,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 292 events. 11/292 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 645 event pairs, 0 based on Foata normal form. 59/326 useless extension candidates. Maximal degree in co-relation 221. Up to 10 conditions per place. [2021-11-07 08:19:18,851 INFO L132 encePairwiseOnDemand]: 279/299 looper letters, 9 selfloop transitions, 3 changer transitions 5/279 dead transitions. [2021-11-07 08:19:18,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 279 transitions, 610 flow [2021-11-07 08:19:18,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 08:19:18,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-07 08:19:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2248 transitions. [2021-11-07 08:19:18,880 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.939799331103679 [2021-11-07 08:19:18,880 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2248 transitions. [2021-11-07 08:19:18,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2248 transitions. [2021-11-07 08:19:18,887 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:18,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2248 transitions. [2021-11-07 08:19:18,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 281.0) internal successors, (2248), 8 states have internal predecessors, (2248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:18,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 299.0) internal successors, (2691), 9 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:18,922 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 299.0) internal successors, (2691), 9 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:18,924 INFO L186 Difference]: Start difference. First operand has 271 places, 286 transitions, 590 flow. Second operand 8 states and 2248 transitions. [2021-11-07 08:19:18,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 279 transitions, 610 flow [2021-11-07 08:19:18,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 279 transitions, 598 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-07 08:19:18,942 INFO L242 Difference]: Finished difference. Result has 277 places, 274 transitions, 575 flow [2021-11-07 08:19:18,944 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=575, PETRI_PLACES=277, PETRI_TRANSITIONS=274} [2021-11-07 08:19:18,945 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 6 predicate places. [2021-11-07 08:19:18,945 INFO L470 AbstractCegarLoop]: Abstraction has has 277 places, 274 transitions, 575 flow [2021-11-07 08:19:18,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 275.5) internal successors, (1653), 6 states have internal predecessors, (1653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:18,946 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:18,947 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:18,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 08:19:18,947 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:18,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:18,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2146443291, now seen corresponding path program 1 times [2021-11-07 08:19:18,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:18,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530316652] [2021-11-07 08:19:18,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:18,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:19,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:19,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:19,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530316652] [2021-11-07 08:19:19,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530316652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:19,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:19,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 08:19:19,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54385372] [2021-11-07 08:19:19,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 08:19:19,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:19,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:19:19,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:19:19,221 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 270 out of 299 [2021-11-07 08:19:19,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 274 transitions, 575 flow. Second operand has 7 states, 7 states have (on average 271.85714285714283) internal successors, (1903), 7 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,225 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:19,225 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 270 of 299 [2021-11-07 08:19:19,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:19,486 INFO L129 PetriNetUnfolder]: 70/732 cut-off events. [2021-11-07 08:19:19,486 INFO L130 PetriNetUnfolder]: For 85/111 co-relation queries the response was YES. [2021-11-07 08:19:19,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 901 conditions, 732 events. 70/732 cut-off events. For 85/111 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3869 event pairs, 25 based on Foata normal form. 1/666 useless extension candidates. Maximal degree in co-relation 889. Up to 57 conditions per place. [2021-11-07 08:19:19,504 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 21 selfloop transitions, 5 changer transitions 4/288 dead transitions. [2021-11-07 08:19:19,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 288 transitions, 683 flow [2021-11-07 08:19:19,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 08:19:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-07 08:19:19,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2186 transitions. [2021-11-07 08:19:19,514 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9138795986622074 [2021-11-07 08:19:19,514 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2186 transitions. [2021-11-07 08:19:19,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2186 transitions. [2021-11-07 08:19:19,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:19,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2186 transitions. [2021-11-07 08:19:19,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 273.25) internal successors, (2186), 8 states have internal predecessors, (2186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 299.0) internal successors, (2691), 9 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,566 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 299.0) internal successors, (2691), 9 states have internal predecessors, (2691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,566 INFO L186 Difference]: Start difference. First operand has 277 places, 274 transitions, 575 flow. Second operand 8 states and 2186 transitions. [2021-11-07 08:19:19,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 288 transitions, 683 flow [2021-11-07 08:19:19,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 288 transitions, 676 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-11-07 08:19:19,577 INFO L242 Difference]: Finished difference. Result has 282 places, 275 transitions, 593 flow [2021-11-07 08:19:19,578 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=270, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=593, PETRI_PLACES=282, PETRI_TRANSITIONS=275} [2021-11-07 08:19:19,578 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 11 predicate places. [2021-11-07 08:19:19,579 INFO L470 AbstractCegarLoop]: Abstraction has has 282 places, 275 transitions, 593 flow [2021-11-07 08:19:19,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 271.85714285714283) internal successors, (1903), 7 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,581 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:19,581 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:19,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 08:19:19,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:19,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:19,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1624787881, now seen corresponding path program 1 times [2021-11-07 08:19:19,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:19,583 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653046261] [2021-11-07 08:19:19,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:19,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:19,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:19,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653046261] [2021-11-07 08:19:19,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653046261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:19,726 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:19,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:19,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832074519] [2021-11-07 08:19:19,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:19,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:19,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:19,733 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:19,735 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 275 transitions, 593 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:19,736 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:19,736 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:19,736 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:20,361 INFO L129 PetriNetUnfolder]: 284/1670 cut-off events. [2021-11-07 08:19:20,361 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-11-07 08:19:20,385 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2150 conditions, 1670 events. 284/1670 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 13461 event pairs, 136 based on Foata normal form. 0/1424 useless extension candidates. Maximal degree in co-relation 2130. Up to 242 conditions per place. [2021-11-07 08:19:20,399 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 25 selfloop transitions, 2 changer transitions 1/285 dead transitions. [2021-11-07 08:19:20,400 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 285 transitions, 669 flow [2021-11-07 08:19:20,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:20,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:20,405 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:20,406 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:20,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:20,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:20,407 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:20,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:20,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:20,418 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:20,419 INFO L186 Difference]: Start difference. First operand has 282 places, 275 transitions, 593 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:20,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 285 transitions, 669 flow [2021-11-07 08:19:20,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 285 transitions, 658 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-11-07 08:19:20,433 INFO L242 Difference]: Finished difference. Result has 279 places, 276 transitions, 597 flow [2021-11-07 08:19:20,434 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=582, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=597, PETRI_PLACES=279, PETRI_TRANSITIONS=276} [2021-11-07 08:19:20,434 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 8 predicate places. [2021-11-07 08:19:20,434 INFO L470 AbstractCegarLoop]: Abstraction has has 279 places, 276 transitions, 597 flow [2021-11-07 08:19:20,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:20,436 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:20,436 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:20,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 08:19:20,437 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:20,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:20,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1559948343, now seen corresponding path program 2 times [2021-11-07 08:19:20,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:20,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875125395] [2021-11-07 08:19:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:20,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:20,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:20,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875125395] [2021-11-07 08:19:20,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875125395] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:20,596 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:20,596 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:20,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913309852] [2021-11-07 08:19:20,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:20,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:20,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:20,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:20,602 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:20,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 279 places, 276 transitions, 597 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:20,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:20,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:20,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:21,183 INFO L129 PetriNetUnfolder]: 283/1708 cut-off events. [2021-11-07 08:19:21,184 INFO L130 PetriNetUnfolder]: For 141/168 co-relation queries the response was YES. [2021-11-07 08:19:21,201 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2241 conditions, 1708 events. 283/1708 cut-off events. For 141/168 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 14077 event pairs, 136 based on Foata normal form. 1/1546 useless extension candidates. Maximal degree in co-relation 2116. Up to 242 conditions per place. [2021-11-07 08:19:21,212 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 25 selfloop transitions, 3 changer transitions 1/286 dead transitions. [2021-11-07 08:19:21,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 286 transitions, 682 flow [2021-11-07 08:19:21,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:21,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:21,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:21,218 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:21,218 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:21,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,229 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,229 INFO L186 Difference]: Start difference. First operand has 279 places, 276 transitions, 597 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:21,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 286 transitions, 682 flow [2021-11-07 08:19:21,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 286 transitions, 680 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:21,240 INFO L242 Difference]: Finished difference. Result has 283 places, 277 transitions, 616 flow [2021-11-07 08:19:21,241 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=616, PETRI_PLACES=283, PETRI_TRANSITIONS=277} [2021-11-07 08:19:21,241 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 12 predicate places. [2021-11-07 08:19:21,241 INFO L470 AbstractCegarLoop]: Abstraction has has 283 places, 277 transitions, 616 flow [2021-11-07 08:19:21,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,242 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:21,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:21,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 08:19:21,243 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:21,243 INFO L85 PathProgramCache]: Analyzing trace with hash -542476855, now seen corresponding path program 3 times [2021-11-07 08:19:21,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:21,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955154940] [2021-11-07 08:19:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:21,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:21,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:21,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955154940] [2021-11-07 08:19:21,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955154940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:21,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:21,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:21,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145695187] [2021-11-07 08:19:21,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:21,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:21,374 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:21,376 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 277 transitions, 616 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,376 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:21,376 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:21,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:21,911 INFO L129 PetriNetUnfolder]: 298/1764 cut-off events. [2021-11-07 08:19:21,911 INFO L130 PetriNetUnfolder]: For 316/352 co-relation queries the response was YES. [2021-11-07 08:19:21,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 1764 events. 298/1764 cut-off events. For 316/352 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 14559 event pairs, 145 based on Foata normal form. 3/1618 useless extension candidates. Maximal degree in co-relation 2262. Up to 244 conditions per place. [2021-11-07 08:19:21,942 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 27 selfloop transitions, 3 changer transitions 0/287 dead transitions. [2021-11-07 08:19:21,942 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 287 transitions, 708 flow [2021-11-07 08:19:21,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:21,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:21,947 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:21,947 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:21,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:21,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,956 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,957 INFO L186 Difference]: Start difference. First operand has 283 places, 277 transitions, 616 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:21,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 287 transitions, 708 flow [2021-11-07 08:19:21,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 287 transitions, 706 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:21,967 INFO L242 Difference]: Finished difference. Result has 287 places, 279 transitions, 647 flow [2021-11-07 08:19:21,968 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=647, PETRI_PLACES=287, PETRI_TRANSITIONS=279} [2021-11-07 08:19:21,968 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 16 predicate places. [2021-11-07 08:19:21,969 INFO L470 AbstractCegarLoop]: Abstraction has has 287 places, 279 transitions, 647 flow [2021-11-07 08:19:21,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:21,969 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:21,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:21,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 08:19:21,970 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:21,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:21,971 INFO L85 PathProgramCache]: Analyzing trace with hash -489996455, now seen corresponding path program 4 times [2021-11-07 08:19:21,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:21,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527698132] [2021-11-07 08:19:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:21,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:22,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:22,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:22,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527698132] [2021-11-07 08:19:22,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527698132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:22,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:22,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:22,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676937574] [2021-11-07 08:19:22,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:22,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:22,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:22,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:22,119 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:22,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 279 transitions, 647 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:22,122 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:22,122 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:22,587 INFO L129 PetriNetUnfolder]: 280/1768 cut-off events. [2021-11-07 08:19:22,588 INFO L130 PetriNetUnfolder]: For 510/546 co-relation queries the response was YES. [2021-11-07 08:19:22,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 1768 events. 280/1768 cut-off events. For 510/546 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 14788 event pairs, 134 based on Foata normal form. 2/1656 useless extension candidates. Maximal degree in co-relation 2370. Up to 244 conditions per place. [2021-11-07 08:19:22,628 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 26 selfloop transitions, 3 changer transitions 1/287 dead transitions. [2021-11-07 08:19:22,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 287 transitions, 724 flow [2021-11-07 08:19:22,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:22,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:22,633 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:22,633 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:22,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:22,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:22,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:22,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,643 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,643 INFO L186 Difference]: Start difference. First operand has 287 places, 279 transitions, 647 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:22,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 287 transitions, 724 flow [2021-11-07 08:19:22,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 287 transitions, 722 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:22,654 INFO L242 Difference]: Finished difference. Result has 291 places, 279 transitions, 656 flow [2021-11-07 08:19:22,655 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=634, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=656, PETRI_PLACES=291, PETRI_TRANSITIONS=279} [2021-11-07 08:19:22,655 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 20 predicate places. [2021-11-07 08:19:22,655 INFO L470 AbstractCegarLoop]: Abstraction has has 291 places, 279 transitions, 656 flow [2021-11-07 08:19:22,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,656 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:22,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:22,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 08:19:22,658 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:22,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 641981587, now seen corresponding path program 5 times [2021-11-07 08:19:22,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:22,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930989513] [2021-11-07 08:19:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:22,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:22,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:22,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930989513] [2021-11-07 08:19:22,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930989513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:22,764 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:22,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:22,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667308808] [2021-11-07 08:19:22,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:22,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:22,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:22,774 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:22,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 279 transitions, 656 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:22,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:22,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:22,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:23,304 INFO L129 PetriNetUnfolder]: 266/1901 cut-off events. [2021-11-07 08:19:23,304 INFO L130 PetriNetUnfolder]: For 721/766 co-relation queries the response was YES. [2021-11-07 08:19:23,325 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2780 conditions, 1901 events. 266/1901 cut-off events. For 721/766 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 16294 event pairs, 133 based on Foata normal form. 3/1789 useless extension candidates. Maximal degree in co-relation 2590. Up to 243 conditions per place. [2021-11-07 08:19:23,338 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 28 selfloop transitions, 5 changer transitions 0/290 dead transitions. [2021-11-07 08:19:23,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 290 transitions, 773 flow [2021-11-07 08:19:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:23,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:23,343 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:23,343 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:23,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:23,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:23,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:23,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:23,355 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:23,356 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:23,356 INFO L186 Difference]: Start difference. First operand has 291 places, 279 transitions, 656 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:23,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 290 transitions, 773 flow [2021-11-07 08:19:23,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 290 transitions, 770 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:23,372 INFO L242 Difference]: Finished difference. Result has 295 places, 281 transitions, 701 flow [2021-11-07 08:19:23,373 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=654, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=701, PETRI_PLACES=295, PETRI_TRANSITIONS=281} [2021-11-07 08:19:23,373 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 24 predicate places. [2021-11-07 08:19:23,374 INFO L470 AbstractCegarLoop]: Abstraction has has 295 places, 281 transitions, 701 flow [2021-11-07 08:19:23,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:23,374 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:23,375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:23,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 08:19:23,375 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:23,376 INFO L85 PathProgramCache]: Analyzing trace with hash -309288037, now seen corresponding path program 6 times [2021-11-07 08:19:23,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:23,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817965615] [2021-11-07 08:19:23,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:23,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:23,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:23,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817965615] [2021-11-07 08:19:23,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817965615] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:23,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:23,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:23,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347704244] [2021-11-07 08:19:23,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:23,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:23,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:23,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:23,497 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:23,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 281 transitions, 701 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:23,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:23,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:23,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:24,048 INFO L129 PetriNetUnfolder]: 265/1877 cut-off events. [2021-11-07 08:19:24,048 INFO L130 PetriNetUnfolder]: For 981/1026 co-relation queries the response was YES. [2021-11-07 08:19:24,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2827 conditions, 1877 events. 265/1877 cut-off events. For 981/1026 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 16068 event pairs, 133 based on Foata normal form. 3/1765 useless extension candidates. Maximal degree in co-relation 2641. Up to 243 conditions per place. [2021-11-07 08:19:24,092 INFO L132 encePairwiseOnDemand]: 295/299 looper letters, 27 selfloop transitions, 4 changer transitions 1/289 dead transitions. [2021-11-07 08:19:24,092 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 289 transitions, 779 flow [2021-11-07 08:19:24,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 08:19:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-07 08:19:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1098 transitions. [2021-11-07 08:19:24,098 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9180602006688964 [2021-11-07 08:19:24,098 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1098 transitions. [2021-11-07 08:19:24,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1098 transitions. [2021-11-07 08:19:24,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:24,100 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1098 transitions. [2021-11-07 08:19:24,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 274.5) internal successors, (1098), 4 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,110 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 299.0) internal successors, (1495), 5 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,111 INFO L186 Difference]: Start difference. First operand has 295 places, 281 transitions, 701 flow. Second operand 4 states and 1098 transitions. [2021-11-07 08:19:24,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 289 transitions, 779 flow [2021-11-07 08:19:24,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 289 transitions, 776 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:24,127 INFO L242 Difference]: Finished difference. Result has 299 places, 281 transitions, 707 flow [2021-11-07 08:19:24,128 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=707, PETRI_PLACES=299, PETRI_TRANSITIONS=281} [2021-11-07 08:19:24,129 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 28 predicate places. [2021-11-07 08:19:24,129 INFO L470 AbstractCegarLoop]: Abstraction has has 299 places, 281 transitions, 707 flow [2021-11-07 08:19:24,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,130 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:24,130 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:24,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-07 08:19:24,131 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:24,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:24,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1189422597, now seen corresponding path program 1 times [2021-11-07 08:19:24,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:24,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489305577] [2021-11-07 08:19:24,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:24,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:24,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:24,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489305577] [2021-11-07 08:19:24,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489305577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:24,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:24,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:24,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470157280] [2021-11-07 08:19:24,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:24,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:24,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:24,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:24,245 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:24,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 281 transitions, 707 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,248 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:24,248 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:24,248 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:24,904 INFO L129 PetriNetUnfolder]: 267/2296 cut-off events. [2021-11-07 08:19:24,904 INFO L130 PetriNetUnfolder]: For 1373/1442 co-relation queries the response was YES. [2021-11-07 08:19:24,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3375 conditions, 2296 events. 267/2296 cut-off events. For 1373/1442 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 21276 event pairs, 101 based on Foata normal form. 8/2170 useless extension candidates. Maximal degree in co-relation 3135. Up to 138 conditions per place. [2021-11-07 08:19:24,943 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 40 selfloop transitions, 9 changer transitions 2/308 dead transitions. [2021-11-07 08:19:24,943 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 986 flow [2021-11-07 08:19:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:24,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1379 transitions. [2021-11-07 08:19:24,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9224080267558529 [2021-11-07 08:19:24,949 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1379 transitions. [2021-11-07 08:19:24,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1379 transitions. [2021-11-07 08:19:24,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:24,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1379 transitions. [2021-11-07 08:19:24,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,962 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,963 INFO L186 Difference]: Start difference. First operand has 299 places, 281 transitions, 707 flow. Second operand 5 states and 1379 transitions. [2021-11-07 08:19:24,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 986 flow [2021-11-07 08:19:24,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 302 places, 308 transitions, 978 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:24,980 INFO L242 Difference]: Finished difference. Result has 305 places, 289 transitions, 802 flow [2021-11-07 08:19:24,981 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=802, PETRI_PLACES=305, PETRI_TRANSITIONS=289} [2021-11-07 08:19:24,982 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 34 predicate places. [2021-11-07 08:19:24,982 INFO L470 AbstractCegarLoop]: Abstraction has has 305 places, 289 transitions, 802 flow [2021-11-07 08:19:24,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:24,984 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:24,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:24,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 08:19:24,985 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:24,986 INFO L85 PathProgramCache]: Analyzing trace with hash 933449885, now seen corresponding path program 2 times [2021-11-07 08:19:24,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:24,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161257377] [2021-11-07 08:19:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:24,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:25,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:25,069 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161257377] [2021-11-07 08:19:25,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161257377] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:25,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:25,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:25,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981648240] [2021-11-07 08:19:25,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:25,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:25,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:25,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:25,074 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:25,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 305 places, 289 transitions, 802 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:25,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:25,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:25,709 INFO L129 PetriNetUnfolder]: 238/2280 cut-off events. [2021-11-07 08:19:25,710 INFO L130 PetriNetUnfolder]: For 1766/1836 co-relation queries the response was YES. [2021-11-07 08:19:25,743 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3683 conditions, 2280 events. 238/2280 cut-off events. For 1766/1836 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 21301 event pairs, 51 based on Foata normal form. 11/2197 useless extension candidates. Maximal degree in co-relation 3320. Up to 151 conditions per place. [2021-11-07 08:19:25,754 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 45 selfloop transitions, 13 changer transitions 2/317 dead transitions. [2021-11-07 08:19:25,755 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 317 transitions, 1130 flow [2021-11-07 08:19:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1379 transitions. [2021-11-07 08:19:25,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9224080267558529 [2021-11-07 08:19:25,761 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1379 transitions. [2021-11-07 08:19:25,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1379 transitions. [2021-11-07 08:19:25,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:25,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1379 transitions. [2021-11-07 08:19:25,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,773 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,773 INFO L186 Difference]: Start difference. First operand has 305 places, 289 transitions, 802 flow. Second operand 5 states and 1379 transitions. [2021-11-07 08:19:25,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 317 transitions, 1130 flow [2021-11-07 08:19:25,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 317 transitions, 1108 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:25,795 INFO L242 Difference]: Finished difference. Result has 313 places, 298 transitions, 911 flow [2021-11-07 08:19:25,796 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=792, PETRI_DIFFERENCE_MINUEND_PLACES=305, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=911, PETRI_PLACES=313, PETRI_TRANSITIONS=298} [2021-11-07 08:19:25,796 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 42 predicate places. [2021-11-07 08:19:25,796 INFO L470 AbstractCegarLoop]: Abstraction has has 313 places, 298 transitions, 911 flow [2021-11-07 08:19:25,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,797 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:25,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:25,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-07 08:19:25,798 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1571778017, now seen corresponding path program 3 times [2021-11-07 08:19:25,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:25,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498264417] [2021-11-07 08:19:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:25,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:25,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:25,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498264417] [2021-11-07 08:19:25,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498264417] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:25,893 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:25,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:25,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887612592] [2021-11-07 08:19:25,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:25,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:25,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:25,897 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:25,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 298 transitions, 911 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:25,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:25,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:25,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:26,561 INFO L129 PetriNetUnfolder]: 276/2459 cut-off events. [2021-11-07 08:19:26,561 INFO L130 PetriNetUnfolder]: For 2349/2499 co-relation queries the response was YES. [2021-11-07 08:19:26,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3997 conditions, 2459 events. 276/2459 cut-off events. For 2349/2499 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 23141 event pairs, 95 based on Foata normal form. 14/2323 useless extension candidates. Maximal degree in co-relation 3710. Up to 207 conditions per place. [2021-11-07 08:19:26,617 INFO L132 encePairwiseOnDemand]: 289/299 looper letters, 43 selfloop transitions, 14 changer transitions 5/319 dead transitions. [2021-11-07 08:19:26,617 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 316 places, 319 transitions, 1177 flow [2021-11-07 08:19:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:26,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:26,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1380 transitions. [2021-11-07 08:19:26,622 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2021-11-07 08:19:26,622 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1380 transitions. [2021-11-07 08:19:26,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1380 transitions. [2021-11-07 08:19:26,624 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:26,624 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1380 transitions. [2021-11-07 08:19:26,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:26,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:26,633 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:26,633 INFO L186 Difference]: Start difference. First operand has 313 places, 298 transitions, 911 flow. Second operand 5 states and 1380 transitions. [2021-11-07 08:19:26,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 316 places, 319 transitions, 1177 flow [2021-11-07 08:19:26,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 319 transitions, 1158 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-11-07 08:19:26,654 INFO L242 Difference]: Finished difference. Result has 318 places, 302 transitions, 997 flow [2021-11-07 08:19:26,654 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=997, PETRI_PLACES=318, PETRI_TRANSITIONS=302} [2021-11-07 08:19:26,655 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 47 predicate places. [2021-11-07 08:19:26,655 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 302 transitions, 997 flow [2021-11-07 08:19:26,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:26,656 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:26,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:26,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-07 08:19:26,656 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:26,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:26,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1352187229, now seen corresponding path program 4 times [2021-11-07 08:19:26,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:26,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762994189] [2021-11-07 08:19:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:26,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:26,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:26,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762994189] [2021-11-07 08:19:26,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762994189] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:26,749 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:26,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:26,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320775430] [2021-11-07 08:19:26,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:26,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:26,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:26,753 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:26,754 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 302 transitions, 997 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:26,754 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:26,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:26,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:27,470 INFO L129 PetriNetUnfolder]: 247/2440 cut-off events. [2021-11-07 08:19:27,470 INFO L130 PetriNetUnfolder]: For 2743/2862 co-relation queries the response was YES. [2021-11-07 08:19:27,521 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4169 conditions, 2440 events. 247/2440 cut-off events. For 2743/2862 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 23193 event pairs, 84 based on Foata normal form. 11/2323 useless extension candidates. Maximal degree in co-relation 3826. Up to 207 conditions per place. [2021-11-07 08:19:27,536 INFO L132 encePairwiseOnDemand]: 289/299 looper letters, 52 selfloop transitions, 12 changer transitions 4/325 dead transitions. [2021-11-07 08:19:27,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 321 places, 325 transitions, 1307 flow [2021-11-07 08:19:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1380 transitions. [2021-11-07 08:19:27,542 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2021-11-07 08:19:27,542 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1380 transitions. [2021-11-07 08:19:27,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1380 transitions. [2021-11-07 08:19:27,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:27,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1380 transitions. [2021-11-07 08:19:27,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:27,552 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:27,553 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:27,553 INFO L186 Difference]: Start difference. First operand has 318 places, 302 transitions, 997 flow. Second operand 5 states and 1380 transitions. [2021-11-07 08:19:27,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 321 places, 325 transitions, 1307 flow [2021-11-07 08:19:27,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 325 transitions, 1289 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:27,576 INFO L242 Difference]: Finished difference. Result has 325 places, 309 transitions, 1103 flow [2021-11-07 08:19:27,577 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=958, PETRI_DIFFERENCE_MINUEND_PLACES=317, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1103, PETRI_PLACES=325, PETRI_TRANSITIONS=309} [2021-11-07 08:19:27,577 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 54 predicate places. [2021-11-07 08:19:27,577 INFO L470 AbstractCegarLoop]: Abstraction has has 325 places, 309 transitions, 1103 flow [2021-11-07 08:19:27,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:27,578 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:27,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:27,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-07 08:19:27,579 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:27,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:27,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1197180305, now seen corresponding path program 1 times [2021-11-07 08:19:27,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:27,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753945836] [2021-11-07 08:19:27,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:27,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:27,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:27,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753945836] [2021-11-07 08:19:27,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753945836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:27,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:27,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:27,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448651667] [2021-11-07 08:19:27,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:27,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:27,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:27,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:27,676 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:27,678 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 309 transitions, 1103 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:27,678 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:27,678 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:27,678 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:28,449 INFO L129 PetriNetUnfolder]: 257/2532 cut-off events. [2021-11-07 08:19:28,449 INFO L130 PetriNetUnfolder]: For 3572/3729 co-relation queries the response was YES. [2021-11-07 08:19:28,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4533 conditions, 2532 events. 257/2532 cut-off events. For 3572/3729 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 24323 event pairs, 30 based on Foata normal form. 8/2408 useless extension candidates. Maximal degree in co-relation 4260. Up to 131 conditions per place. [2021-11-07 08:19:28,512 INFO L132 encePairwiseOnDemand]: 292/299 looper letters, 62 selfloop transitions, 15 changer transitions 6/340 dead transitions. [2021-11-07 08:19:28,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 340 transitions, 1616 flow [2021-11-07 08:19:28,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1378 transitions. [2021-11-07 08:19:28,517 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9217391304347826 [2021-11-07 08:19:28,518 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1378 transitions. [2021-11-07 08:19:28,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1378 transitions. [2021-11-07 08:19:28,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:28,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1378 transitions. [2021-11-07 08:19:28,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.6) internal successors, (1378), 5 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:28,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:28,527 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:28,527 INFO L186 Difference]: Start difference. First operand has 325 places, 309 transitions, 1103 flow. Second operand 5 states and 1378 transitions. [2021-11-07 08:19:28,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 340 transitions, 1616 flow [2021-11-07 08:19:28,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 329 places, 340 transitions, 1600 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:28,554 INFO L242 Difference]: Finished difference. Result has 332 places, 318 transitions, 1255 flow [2021-11-07 08:19:28,555 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1093, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1255, PETRI_PLACES=332, PETRI_TRANSITIONS=318} [2021-11-07 08:19:28,555 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 61 predicate places. [2021-11-07 08:19:28,555 INFO L470 AbstractCegarLoop]: Abstraction has has 332 places, 318 transitions, 1255 flow [2021-11-07 08:19:28,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:28,556 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:28,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:28,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-07 08:19:28,557 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:28,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:28,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1333424313, now seen corresponding path program 2 times [2021-11-07 08:19:28,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:28,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614161919] [2021-11-07 08:19:28,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:28,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:28,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:28,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614161919] [2021-11-07 08:19:28,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614161919] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:28,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:28,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:28,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96850774] [2021-11-07 08:19:28,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:28,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:28,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:28,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:28,638 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:28,639 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 318 transitions, 1255 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:28,640 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:28,640 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:28,640 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:29,331 INFO L129 PetriNetUnfolder]: 265/2556 cut-off events. [2021-11-07 08:19:29,331 INFO L130 PetriNetUnfolder]: For 4111/4257 co-relation queries the response was YES. [2021-11-07 08:19:29,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4597 conditions, 2556 events. 265/2556 cut-off events. For 4111/4257 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 24499 event pairs, 81 based on Foata normal form. 11/2416 useless extension candidates. Maximal degree in co-relation 4436. Up to 194 conditions per place. [2021-11-07 08:19:29,411 INFO L132 encePairwiseOnDemand]: 290/299 looper letters, 53 selfloop transitions, 24 changer transitions 4/338 dead transitions. [2021-11-07 08:19:29,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 338 transitions, 1639 flow [2021-11-07 08:19:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1380 transitions. [2021-11-07 08:19:29,416 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2021-11-07 08:19:29,418 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1380 transitions. [2021-11-07 08:19:29,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1380 transitions. [2021-11-07 08:19:29,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:29,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1380 transitions. [2021-11-07 08:19:29,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.0) internal successors, (1380), 5 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:29,429 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:29,429 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:29,430 INFO L186 Difference]: Start difference. First operand has 332 places, 318 transitions, 1255 flow. Second operand 5 states and 1380 transitions. [2021-11-07 08:19:29,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 338 transitions, 1639 flow [2021-11-07 08:19:29,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 338 transitions, 1609 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:29,464 INFO L242 Difference]: Finished difference. Result has 339 places, 326 transitions, 1443 flow [2021-11-07 08:19:29,465 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1233, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1443, PETRI_PLACES=339, PETRI_TRANSITIONS=326} [2021-11-07 08:19:29,466 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 68 predicate places. [2021-11-07 08:19:29,466 INFO L470 AbstractCegarLoop]: Abstraction has has 339 places, 326 transitions, 1443 flow [2021-11-07 08:19:29,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:29,467 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:29,467 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:29,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-07 08:19:29,468 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:29,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:29,469 INFO L85 PathProgramCache]: Analyzing trace with hash 905263711, now seen corresponding path program 1 times [2021-11-07 08:19:29,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:29,470 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878073506] [2021-11-07 08:19:29,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:29,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:29,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:29,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878073506] [2021-11-07 08:19:29,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878073506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:29,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:29,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-07 08:19:29,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851959490] [2021-11-07 08:19:29,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 08:19:29,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:29,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:19:29,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:19:29,619 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 299 [2021-11-07 08:19:29,622 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 326 transitions, 1443 flow. Second operand has 7 states, 7 states have (on average 272.57142857142856) internal successors, (1908), 7 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:29,622 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:29,622 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 299 [2021-11-07 08:19:29,622 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:30,191 INFO L129 PetriNetUnfolder]: 111/1820 cut-off events. [2021-11-07 08:19:30,191 INFO L130 PetriNetUnfolder]: For 2749/2830 co-relation queries the response was YES. [2021-11-07 08:19:30,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3266 conditions, 1820 events. 111/1820 cut-off events. For 2749/2830 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 16075 event pairs, 15 based on Foata normal form. 8/1732 useless extension candidates. Maximal degree in co-relation 2993. Up to 105 conditions per place. [2021-11-07 08:19:30,218 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 12 selfloop transitions, 5 changer transitions 12/333 dead transitions. [2021-11-07 08:19:30,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 333 transitions, 1499 flow [2021-11-07 08:19:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 08:19:30,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-07 08:19:30,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2460 transitions. [2021-11-07 08:19:30,225 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9141583054626533 [2021-11-07 08:19:30,226 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2460 transitions. [2021-11-07 08:19:30,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2460 transitions. [2021-11-07 08:19:30,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:30,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2460 transitions. [2021-11-07 08:19:30,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 273.3333333333333) internal successors, (2460), 9 states have internal predecessors, (2460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:30,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 299.0) internal successors, (2990), 10 states have internal predecessors, (2990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:30,242 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 299.0) internal successors, (2990), 10 states have internal predecessors, (2990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:30,242 INFO L186 Difference]: Start difference. First operand has 339 places, 326 transitions, 1443 flow. Second operand 9 states and 2460 transitions. [2021-11-07 08:19:30,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 333 transitions, 1499 flow [2021-11-07 08:19:30,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 333 transitions, 1471 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-11-07 08:19:30,268 INFO L242 Difference]: Finished difference. Result has 350 places, 321 transitions, 1337 flow [2021-11-07 08:19:30,269 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1415, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1337, PETRI_PLACES=350, PETRI_TRANSITIONS=321} [2021-11-07 08:19:30,269 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 79 predicate places. [2021-11-07 08:19:30,270 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 321 transitions, 1337 flow [2021-11-07 08:19:30,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 272.57142857142856) internal successors, (1908), 7 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:30,270 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:30,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:30,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-07 08:19:30,271 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:30,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:30,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1577482357, now seen corresponding path program 3 times [2021-11-07 08:19:30,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:30,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515509520] [2021-11-07 08:19:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:30,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:30,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:30,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515509520] [2021-11-07 08:19:30,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515509520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:30,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:30,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:30,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201274101] [2021-11-07 08:19:30,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:30,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:30,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:30,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:30,355 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:30,356 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 321 transitions, 1337 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:30,356 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:30,356 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:30,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:31,039 INFO L129 PetriNetUnfolder]: 233/2386 cut-off events. [2021-11-07 08:19:31,039 INFO L130 PetriNetUnfolder]: For 4207/4348 co-relation queries the response was YES. [2021-11-07 08:19:31,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4763 conditions, 2386 events. 233/2386 cut-off events. For 4207/4348 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22587 event pairs, 27 based on Foata normal form. 14/2280 useless extension candidates. Maximal degree in co-relation 4682. Up to 148 conditions per place. [2021-11-07 08:19:31,100 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 69 selfloop transitions, 12 changer transitions 13/355 dead transitions. [2021-11-07 08:19:31,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 355 transitions, 1918 flow [2021-11-07 08:19:31,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:31,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1379 transitions. [2021-11-07 08:19:31,106 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9224080267558529 [2021-11-07 08:19:31,107 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1379 transitions. [2021-11-07 08:19:31,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1379 transitions. [2021-11-07 08:19:31,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:31,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1379 transitions. [2021-11-07 08:19:31,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,118 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,118 INFO L186 Difference]: Start difference. First operand has 350 places, 321 transitions, 1337 flow. Second operand 5 states and 1379 transitions. [2021-11-07 08:19:31,118 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 355 transitions, 1918 flow [2021-11-07 08:19:31,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 355 transitions, 1913 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-11-07 08:19:31,163 INFO L242 Difference]: Finished difference. Result has 352 places, 327 transitions, 1453 flow [2021-11-07 08:19:31,164 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=320, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=310, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1453, PETRI_PLACES=352, PETRI_TRANSITIONS=327} [2021-11-07 08:19:31,165 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 81 predicate places. [2021-11-07 08:19:31,165 INFO L470 AbstractCegarLoop]: Abstraction has has 352 places, 327 transitions, 1453 flow [2021-11-07 08:19:31,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,166 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:31,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:31,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-07 08:19:31,166 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:31,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1420760867, now seen corresponding path program 4 times [2021-11-07 08:19:31,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:31,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48786514] [2021-11-07 08:19:31,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:31,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:31,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:31,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48786514] [2021-11-07 08:19:31,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48786514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:31,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:31,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:31,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374479349] [2021-11-07 08:19:31,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:31,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:31,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:31,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:31,251 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:31,252 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 327 transitions, 1453 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,252 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:31,253 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:31,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:31,904 INFO L129 PetriNetUnfolder]: 227/2327 cut-off events. [2021-11-07 08:19:31,904 INFO L130 PetriNetUnfolder]: For 4919/5105 co-relation queries the response was YES. [2021-11-07 08:19:31,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4753 conditions, 2327 events. 227/2327 cut-off events. For 4919/5105 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 22026 event pairs, 64 based on Foata normal form. 16/2220 useless extension candidates. Maximal degree in co-relation 4500. Up to 208 conditions per place. [2021-11-07 08:19:31,957 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 61 selfloop transitions, 13 changer transitions 15/350 dead transitions. [2021-11-07 08:19:31,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 350 transitions, 1919 flow [2021-11-07 08:19:31,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1375 transitions. [2021-11-07 08:19:31,962 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.919732441471572 [2021-11-07 08:19:31,962 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1375 transitions. [2021-11-07 08:19:31,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1375 transitions. [2021-11-07 08:19:31,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:31,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1375 transitions. [2021-11-07 08:19:31,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.0) internal successors, (1375), 5 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,971 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:31,971 INFO L186 Difference]: Start difference. First operand has 352 places, 327 transitions, 1453 flow. Second operand 5 states and 1375 transitions. [2021-11-07 08:19:31,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 350 transitions, 1919 flow [2021-11-07 08:19:32,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 350 transitions, 1895 flow, removed 12 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:32,011 INFO L242 Difference]: Finished difference. Result has 358 places, 327 transitions, 1480 flow [2021-11-07 08:19:32,012 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1418, PETRI_DIFFERENCE_MINUEND_PLACES=351, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=313, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1480, PETRI_PLACES=358, PETRI_TRANSITIONS=327} [2021-11-07 08:19:32,013 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 87 predicate places. [2021-11-07 08:19:32,013 INFO L470 AbstractCegarLoop]: Abstraction has has 358 places, 327 transitions, 1480 flow [2021-11-07 08:19:32,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,014 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:32,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:32,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-07 08:19:32,014 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:32,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:32,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1590470193, now seen corresponding path program 1 times [2021-11-07 08:19:32,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:32,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029118373] [2021-11-07 08:19:32,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:32,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:32,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:32,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029118373] [2021-11-07 08:19:32,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029118373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:32,098 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:32,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:32,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324502644] [2021-11-07 08:19:32,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:32,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:32,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:32,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:32,102 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:32,104 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 358 places, 327 transitions, 1480 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,104 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:32,104 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:32,104 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:32,734 INFO L129 PetriNetUnfolder]: 238/2239 cut-off events. [2021-11-07 08:19:32,734 INFO L130 PetriNetUnfolder]: For 5969/6149 co-relation queries the response was YES. [2021-11-07 08:19:32,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4738 conditions, 2239 events. 238/2239 cut-off events. For 5969/6149 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 20455 event pairs, 11 based on Foata normal form. 17/2131 useless extension candidates. Maximal degree in co-relation 4524. Up to 184 conditions per place. [2021-11-07 08:19:32,790 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 73 selfloop transitions, 14 changer transitions 14/362 dead transitions. [2021-11-07 08:19:32,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 362 places, 362 transitions, 2155 flow [2021-11-07 08:19:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1377 transitions. [2021-11-07 08:19:32,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9210702341137124 [2021-11-07 08:19:32,796 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1377 transitions. [2021-11-07 08:19:32,796 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1377 transitions. [2021-11-07 08:19:32,797 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:32,797 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1377 transitions. [2021-11-07 08:19:32,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.4) internal successors, (1377), 5 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,870 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,870 INFO L186 Difference]: Start difference. First operand has 358 places, 327 transitions, 1480 flow. Second operand 5 states and 1377 transitions. [2021-11-07 08:19:32,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 362 places, 362 transitions, 2155 flow [2021-11-07 08:19:32,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 362 transitions, 2137 flow, removed 9 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:32,911 INFO L242 Difference]: Finished difference. Result has 366 places, 332 transitions, 1612 flow [2021-11-07 08:19:32,911 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=358, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1612, PETRI_PLACES=366, PETRI_TRANSITIONS=332} [2021-11-07 08:19:32,912 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 95 predicate places. [2021-11-07 08:19:32,912 INFO L470 AbstractCegarLoop]: Abstraction has has 366 places, 332 transitions, 1612 flow [2021-11-07 08:19:32,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,913 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:32,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:32,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-07 08:19:32,913 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:32,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:32,914 INFO L85 PathProgramCache]: Analyzing trace with hash 426122423, now seen corresponding path program 2 times [2021-11-07 08:19:32,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:32,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62223688] [2021-11-07 08:19:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:32,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:32,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:32,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62223688] [2021-11-07 08:19:32,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62223688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:32,990 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:32,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:32,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474008804] [2021-11-07 08:19:32,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:32,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:32,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:32,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:32,997 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:32,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 366 places, 332 transitions, 1612 flow. Second operand has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:32,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:32,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:32,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:33,588 INFO L129 PetriNetUnfolder]: 215/2066 cut-off events. [2021-11-07 08:19:33,588 INFO L130 PetriNetUnfolder]: For 6131/6242 co-relation queries the response was YES. [2021-11-07 08:19:33,633 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4508 conditions, 2066 events. 215/2066 cut-off events. For 6131/6242 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 18386 event pairs, 19 based on Foata normal form. 18/1972 useless extension candidates. Maximal degree in co-relation 4305. Up to 175 conditions per place. [2021-11-07 08:19:33,645 INFO L132 encePairwiseOnDemand]: 291/299 looper letters, 75 selfloop transitions, 18 changer transitions 4/358 dead transitions. [2021-11-07 08:19:33,646 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 358 transitions, 2168 flow [2021-11-07 08:19:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:33,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1377 transitions. [2021-11-07 08:19:33,651 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9210702341137124 [2021-11-07 08:19:33,651 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1377 transitions. [2021-11-07 08:19:33,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1377 transitions. [2021-11-07 08:19:33,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:33,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1377 transitions. [2021-11-07 08:19:33,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.4) internal successors, (1377), 5 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:33,659 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:33,660 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:33,660 INFO L186 Difference]: Start difference. First operand has 366 places, 332 transitions, 1612 flow. Second operand 5 states and 1377 transitions. [2021-11-07 08:19:33,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 358 transitions, 2168 flow [2021-11-07 08:19:33,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 358 transitions, 2100 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-11-07 08:19:33,699 INFO L242 Difference]: Finished difference. Result has 371 places, 341 transitions, 1749 flow [2021-11-07 08:19:33,700 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1520, PETRI_DIFFERENCE_MINUEND_PLACES=363, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1749, PETRI_PLACES=371, PETRI_TRANSITIONS=341} [2021-11-07 08:19:33,700 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 100 predicate places. [2021-11-07 08:19:33,700 INFO L470 AbstractCegarLoop]: Abstraction has has 371 places, 341 transitions, 1749 flow [2021-11-07 08:19:33,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.75) internal successors, (1079), 4 states have internal predecessors, (1079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:33,701 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:33,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:33,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-07 08:19:33,702 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:33,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:33,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1609919281, now seen corresponding path program 1 times [2021-11-07 08:19:33,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:33,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084260874] [2021-11-07 08:19:33,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:33,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:33,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:33,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084260874] [2021-11-07 08:19:33,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084260874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:33,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:33,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:33,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798217455] [2021-11-07 08:19:33,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:33,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:33,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:33,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:33,794 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:33,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 341 transitions, 1749 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:33,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:33,796 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:33,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:34,474 INFO L129 PetriNetUnfolder]: 220/2229 cut-off events. [2021-11-07 08:19:34,474 INFO L130 PetriNetUnfolder]: For 6209/6370 co-relation queries the response was YES. [2021-11-07 08:19:34,523 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4804 conditions, 2229 events. 220/2229 cut-off events. For 6209/6370 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 20579 event pairs, 39 based on Foata normal form. 20/2130 useless extension candidates. Maximal degree in co-relation 4614. Up to 184 conditions per place. [2021-11-07 08:19:34,540 INFO L132 encePairwiseOnDemand]: 293/299 looper letters, 79 selfloop transitions, 18 changer transitions 3/361 dead transitions. [2021-11-07 08:19:34,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 361 transitions, 2225 flow [2021-11-07 08:19:34,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:34,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1374 transitions. [2021-11-07 08:19:34,549 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9190635451505017 [2021-11-07 08:19:34,549 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1374 transitions. [2021-11-07 08:19:34,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1374 transitions. [2021-11-07 08:19:34,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:34,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1374 transitions. [2021-11-07 08:19:34,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.8) internal successors, (1374), 5 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:34,561 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:34,562 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:34,562 INFO L186 Difference]: Start difference. First operand has 371 places, 341 transitions, 1749 flow. Second operand 5 states and 1374 transitions. [2021-11-07 08:19:34,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 361 transitions, 2225 flow [2021-11-07 08:19:34,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 361 transitions, 2205 flow, removed 10 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:34,612 INFO L242 Difference]: Finished difference. Result has 378 places, 348 transitions, 1917 flow [2021-11-07 08:19:34,613 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1737, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1917, PETRI_PLACES=378, PETRI_TRANSITIONS=348} [2021-11-07 08:19:34,613 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 107 predicate places. [2021-11-07 08:19:34,613 INFO L470 AbstractCegarLoop]: Abstraction has has 378 places, 348 transitions, 1917 flow [2021-11-07 08:19:34,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:34,614 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:34,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:34,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-07 08:19:34,615 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:34,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:34,615 INFO L85 PathProgramCache]: Analyzing trace with hash -847519679, now seen corresponding path program 2 times [2021-11-07 08:19:34,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:34,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572011396] [2021-11-07 08:19:34,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:34,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:34,706 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:34,706 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572011396] [2021-11-07 08:19:34,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572011396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:34,707 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:34,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:34,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970766209] [2021-11-07 08:19:34,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:34,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:34,713 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:34,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 348 transitions, 1917 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:34,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:34,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:34,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:35,327 INFO L129 PetriNetUnfolder]: 220/2187 cut-off events. [2021-11-07 08:19:35,328 INFO L130 PetriNetUnfolder]: For 6925/7111 co-relation queries the response was YES. [2021-11-07 08:19:35,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4779 conditions, 2187 events. 220/2187 cut-off events. For 6925/7111 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 20056 event pairs, 28 based on Foata normal form. 13/2077 useless extension candidates. Maximal degree in co-relation 4584. Up to 167 conditions per place. [2021-11-07 08:19:35,393 INFO L132 encePairwiseOnDemand]: 292/299 looper letters, 81 selfloop transitions, 18 changer transitions 20/380 dead transitions. [2021-11-07 08:19:35,393 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 380 transitions, 2673 flow [2021-11-07 08:19:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1376 transitions. [2021-11-07 08:19:35,396 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9204013377926421 [2021-11-07 08:19:35,397 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1376 transitions. [2021-11-07 08:19:35,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1376 transitions. [2021-11-07 08:19:35,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:35,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1376 transitions. [2021-11-07 08:19:35,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.2) internal successors, (1376), 5 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:35,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:35,404 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:35,404 INFO L186 Difference]: Start difference. First operand has 378 places, 348 transitions, 1917 flow. Second operand 5 states and 1376 transitions. [2021-11-07 08:19:35,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 380 transitions, 2673 flow [2021-11-07 08:19:35,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 380 transitions, 2651 flow, removed 11 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:35,455 INFO L242 Difference]: Finished difference. Result has 384 places, 343 transitions, 1887 flow [2021-11-07 08:19:35,456 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1887, PETRI_PLACES=384, PETRI_TRANSITIONS=343} [2021-11-07 08:19:35,457 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 113 predicate places. [2021-11-07 08:19:35,457 INFO L470 AbstractCegarLoop]: Abstraction has has 384 places, 343 transitions, 1887 flow [2021-11-07 08:19:35,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:35,458 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:35,458 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:35,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-07 08:19:35,459 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:35,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:35,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1727766175, now seen corresponding path program 3 times [2021-11-07 08:19:35,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:35,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539326136] [2021-11-07 08:19:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:35,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:35,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:35,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539326136] [2021-11-07 08:19:35,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539326136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:35,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:35,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:35,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154470691] [2021-11-07 08:19:35,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:35,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:35,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:35,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:35,545 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:35,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 343 transitions, 1887 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:35,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:35,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:35,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:36,031 INFO L129 PetriNetUnfolder]: 196/1902 cut-off events. [2021-11-07 08:19:36,032 INFO L130 PetriNetUnfolder]: For 6297/6417 co-relation queries the response was YES. [2021-11-07 08:19:36,051 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4244 conditions, 1902 events. 196/1902 cut-off events. For 6297/6417 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 16523 event pairs, 20 based on Foata normal form. 4/1794 useless extension candidates. Maximal degree in co-relation 4073. Up to 148 conditions per place. [2021-11-07 08:19:36,062 INFO L132 encePairwiseOnDemand]: 293/299 looper letters, 85 selfloop transitions, 16 changer transitions 7/369 dead transitions. [2021-11-07 08:19:36,062 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 369 transitions, 2459 flow [2021-11-07 08:19:36,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:36,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1374 transitions. [2021-11-07 08:19:36,065 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9190635451505017 [2021-11-07 08:19:36,065 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1374 transitions. [2021-11-07 08:19:36,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1374 transitions. [2021-11-07 08:19:36,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:36,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1374 transitions. [2021-11-07 08:19:36,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.8) internal successors, (1374), 5 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,072 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,072 INFO L186 Difference]: Start difference. First operand has 384 places, 343 transitions, 1887 flow. Second operand 5 states and 1374 transitions. [2021-11-07 08:19:36,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 369 transitions, 2459 flow [2021-11-07 08:19:36,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 369 transitions, 2413 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-11-07 08:19:36,120 INFO L242 Difference]: Finished difference. Result has 386 places, 348 transitions, 1974 flow [2021-11-07 08:19:36,120 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1814, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1974, PETRI_PLACES=386, PETRI_TRANSITIONS=348} [2021-11-07 08:19:36,121 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 115 predicate places. [2021-11-07 08:19:36,121 INFO L470 AbstractCegarLoop]: Abstraction has has 386 places, 348 transitions, 1974 flow [2021-11-07 08:19:36,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,122 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:36,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:36,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-07 08:19:36,122 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:36,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:36,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1833728595, now seen corresponding path program 4 times [2021-11-07 08:19:36,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:36,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656324581] [2021-11-07 08:19:36,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:36,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:36,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:36,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656324581] [2021-11-07 08:19:36,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656324581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:36,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:36,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:36,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846074024] [2021-11-07 08:19:36,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:36,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:36,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:36,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:36,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:36,200 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 348 transitions, 1974 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:36,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:36,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:36,746 INFO L129 PetriNetUnfolder]: 204/1939 cut-off events. [2021-11-07 08:19:36,746 INFO L130 PetriNetUnfolder]: For 6526/6670 co-relation queries the response was YES. [2021-11-07 08:19:36,789 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4316 conditions, 1939 events. 204/1939 cut-off events. For 6526/6670 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 16951 event pairs, 23 based on Foata normal form. 10/1832 useless extension candidates. Maximal degree in co-relation 4141. Up to 168 conditions per place. [2021-11-07 08:19:36,800 INFO L132 encePairwiseOnDemand]: 293/299 looper letters, 81 selfloop transitions, 16 changer transitions 9/367 dead transitions. [2021-11-07 08:19:36,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 367 transitions, 2442 flow [2021-11-07 08:19:36,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:36,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:36,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1372 transitions. [2021-11-07 08:19:36,803 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9177257525083612 [2021-11-07 08:19:36,803 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1372 transitions. [2021-11-07 08:19:36,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1372 transitions. [2021-11-07 08:19:36,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:36,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1372 transitions. [2021-11-07 08:19:36,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 274.4) internal successors, (1372), 5 states have internal predecessors, (1372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,810 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,810 INFO L186 Difference]: Start difference. First operand has 386 places, 348 transitions, 1974 flow. Second operand 5 states and 1372 transitions. [2021-11-07 08:19:36,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 367 transitions, 2442 flow [2021-11-07 08:19:36,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 367 transitions, 2403 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-11-07 08:19:36,861 INFO L242 Difference]: Finished difference. Result has 390 places, 349 transitions, 2010 flow [2021-11-07 08:19:36,862 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=383, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2010, PETRI_PLACES=390, PETRI_TRANSITIONS=349} [2021-11-07 08:19:36,862 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 119 predicate places. [2021-11-07 08:19:36,863 INFO L470 AbstractCegarLoop]: Abstraction has has 390 places, 349 transitions, 2010 flow [2021-11-07 08:19:36,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,863 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:36,864 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:36,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-07 08:19:36,864 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:36,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2089344929, now seen corresponding path program 1 times [2021-11-07 08:19:36,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:36,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617571710] [2021-11-07 08:19:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:36,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:36,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:36,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:36,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617571710] [2021-11-07 08:19:36,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617571710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:36,933 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:36,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:36,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474390421] [2021-11-07 08:19:36,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:36,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:36,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:36,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:36,936 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:36,937 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 349 transitions, 2010 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:36,938 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:36,938 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:36,938 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:37,404 INFO L129 PetriNetUnfolder]: 202/1927 cut-off events. [2021-11-07 08:19:37,404 INFO L130 PetriNetUnfolder]: For 6772/6916 co-relation queries the response was YES. [2021-11-07 08:19:37,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4236 conditions, 1927 events. 202/1927 cut-off events. For 6772/6916 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16769 event pairs, 11 based on Foata normal form. 25/1830 useless extension candidates. Maximal degree in co-relation 4061. Up to 102 conditions per place. [2021-11-07 08:19:37,438 INFO L132 encePairwiseOnDemand]: 290/299 looper letters, 90 selfloop transitions, 26 changer transitions 12/389 dead transitions. [2021-11-07 08:19:37,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 389 transitions, 2940 flow [2021-11-07 08:19:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1379 transitions. [2021-11-07 08:19:37,442 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9224080267558529 [2021-11-07 08:19:37,442 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1379 transitions. [2021-11-07 08:19:37,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1379 transitions. [2021-11-07 08:19:37,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:37,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1379 transitions. [2021-11-07 08:19:37,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:37,448 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:37,449 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:37,449 INFO L186 Difference]: Start difference. First operand has 390 places, 349 transitions, 2010 flow. Second operand 5 states and 1379 transitions. [2021-11-07 08:19:37,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 389 transitions, 2940 flow [2021-11-07 08:19:37,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 389 transitions, 2928 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:37,506 INFO L242 Difference]: Finished difference. Result has 397 places, 353 transitions, 2200 flow [2021-11-07 08:19:37,506 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=2001, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2200, PETRI_PLACES=397, PETRI_TRANSITIONS=353} [2021-11-07 08:19:37,507 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 126 predicate places. [2021-11-07 08:19:37,507 INFO L470 AbstractCegarLoop]: Abstraction has has 397 places, 353 transitions, 2200 flow [2021-11-07 08:19:37,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:37,507 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:37,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:37,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-07 08:19:37,508 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1254022579, now seen corresponding path program 1 times [2021-11-07 08:19:37,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:37,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883776419] [2021-11-07 08:19:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:37,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:37,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:37,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883776419] [2021-11-07 08:19:37,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883776419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:37,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:37,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:37,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176118964] [2021-11-07 08:19:37,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:37,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:37,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:37,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:37,576 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:37,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 353 transitions, 2200 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:37,578 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:37,578 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:37,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:38,012 INFO L129 PetriNetUnfolder]: 185/1821 cut-off events. [2021-11-07 08:19:38,012 INFO L130 PetriNetUnfolder]: For 7786/7956 co-relation queries the response was YES. [2021-11-07 08:19:38,043 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4209 conditions, 1821 events. 185/1821 cut-off events. For 7786/7956 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 15538 event pairs, 11 based on Foata normal form. 26/1750 useless extension candidates. Maximal degree in co-relation 4045. Up to 97 conditions per place. [2021-11-07 08:19:38,055 INFO L132 encePairwiseOnDemand]: 290/299 looper letters, 108 selfloop transitions, 25 changer transitions 4/398 dead transitions. [2021-11-07 08:19:38,055 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 398 transitions, 3279 flow [2021-11-07 08:19:38,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1379 transitions. [2021-11-07 08:19:38,059 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9224080267558529 [2021-11-07 08:19:38,059 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1379 transitions. [2021-11-07 08:19:38,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1379 transitions. [2021-11-07 08:19:38,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:38,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1379 transitions. [2021-11-07 08:19:38,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 275.8) internal successors, (1379), 5 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,068 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,068 INFO L186 Difference]: Start difference. First operand has 397 places, 353 transitions, 2200 flow. Second operand 5 states and 1379 transitions. [2021-11-07 08:19:38,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 398 transitions, 3279 flow [2021-11-07 08:19:38,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 401 places, 398 transitions, 3243 flow, removed 18 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:38,138 INFO L242 Difference]: Finished difference. Result has 405 places, 362 transitions, 2442 flow [2021-11-07 08:19:38,139 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=2178, PETRI_DIFFERENCE_MINUEND_PLACES=397, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2442, PETRI_PLACES=405, PETRI_TRANSITIONS=362} [2021-11-07 08:19:38,139 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 134 predicate places. [2021-11-07 08:19:38,139 INFO L470 AbstractCegarLoop]: Abstraction has has 405 places, 362 transitions, 2442 flow [2021-11-07 08:19:38,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,140 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:38,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:38,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-07 08:19:38,141 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:38,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:38,142 INFO L85 PathProgramCache]: Analyzing trace with hash -987375647, now seen corresponding path program 2 times [2021-11-07 08:19:38,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:38,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972431944] [2021-11-07 08:19:38,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:38,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:38,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:38,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972431944] [2021-11-07 08:19:38,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972431944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:38,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:38,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:38,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932958880] [2021-11-07 08:19:38,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:38,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:38,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:38,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:38,220 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:38,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 362 transitions, 2442 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:38,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:38,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:38,732 INFO L129 PetriNetUnfolder]: 186/1795 cut-off events. [2021-11-07 08:19:38,732 INFO L130 PetriNetUnfolder]: For 8203/8389 co-relation queries the response was YES. [2021-11-07 08:19:38,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4160 conditions, 1795 events. 186/1795 cut-off events. For 8203/8389 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 15233 event pairs, 8 based on Foata normal form. 20/1715 useless extension candidates. Maximal degree in co-relation 4002. Up to 86 conditions per place. [2021-11-07 08:19:38,775 INFO L132 encePairwiseOnDemand]: 289/299 looper letters, 110 selfloop transitions, 34 changer transitions 3/408 dead transitions. [2021-11-07 08:19:38,775 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 409 places, 408 transitions, 3504 flow [2021-11-07 08:19:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:38,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:38,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1381 transitions. [2021-11-07 08:19:38,778 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237458193979933 [2021-11-07 08:19:38,779 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1381 transitions. [2021-11-07 08:19:38,779 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1381 transitions. [2021-11-07 08:19:38,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:38,780 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1381 transitions. [2021-11-07 08:19:38,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.2) internal successors, (1381), 5 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,786 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,787 INFO L186 Difference]: Start difference. First operand has 405 places, 362 transitions, 2442 flow. Second operand 5 states and 1381 transitions. [2021-11-07 08:19:38,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 409 places, 408 transitions, 3504 flow [2021-11-07 08:19:38,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 408 places, 408 transitions, 3458 flow, removed 19 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:38,858 INFO L242 Difference]: Finished difference. Result has 412 places, 376 transitions, 2817 flow [2021-11-07 08:19:38,859 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2817, PETRI_PLACES=412, PETRI_TRANSITIONS=376} [2021-11-07 08:19:38,859 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 141 predicate places. [2021-11-07 08:19:38,859 INFO L470 AbstractCegarLoop]: Abstraction has has 412 places, 376 transitions, 2817 flow [2021-11-07 08:19:38,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,860 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:38,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:38,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-07 08:19:38,861 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:38,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash 438787491, now seen corresponding path program 2 times [2021-11-07 08:19:38,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:38,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075771134] [2021-11-07 08:19:38,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:38,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:38,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:38,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075771134] [2021-11-07 08:19:38,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075771134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:38,925 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:38,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 08:19:38,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831332423] [2021-11-07 08:19:38,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 08:19:38,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:38,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 08:19:38,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 08:19:38,928 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 267 out of 299 [2021-11-07 08:19:38,929 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 376 transitions, 2817 flow. Second operand has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:38,929 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:38,929 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 267 of 299 [2021-11-07 08:19:38,929 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:39,467 INFO L129 PetriNetUnfolder]: 188/1719 cut-off events. [2021-11-07 08:19:39,468 INFO L130 PetriNetUnfolder]: For 8755/8968 co-relation queries the response was YES. [2021-11-07 08:19:39,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4076 conditions, 1719 events. 188/1719 cut-off events. For 8755/8968 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 14396 event pairs, 5 based on Foata normal form. 19/1634 useless extension candidates. Maximal degree in co-relation 3922. Up to 92 conditions per place. [2021-11-07 08:19:39,498 INFO L132 encePairwiseOnDemand]: 289/299 looper letters, 105 selfloop transitions, 37 changer transitions 6/409 dead transitions. [2021-11-07 08:19:39,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 409 transitions, 3674 flow [2021-11-07 08:19:39,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 08:19:39,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-07 08:19:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1381 transitions. [2021-11-07 08:19:39,505 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9237458193979933 [2021-11-07 08:19:39,506 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1381 transitions. [2021-11-07 08:19:39,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1381 transitions. [2021-11-07 08:19:39,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:39,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1381 transitions. [2021-11-07 08:19:39,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 276.2) internal successors, (1381), 5 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:39,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:39,513 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 299.0) internal successors, (1794), 6 states have internal predecessors, (1794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:39,513 INFO L186 Difference]: Start difference. First operand has 412 places, 376 transitions, 2817 flow. Second operand 5 states and 1381 transitions. [2021-11-07 08:19:39,513 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 409 transitions, 3674 flow [2021-11-07 08:19:39,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 415 places, 409 transitions, 3609 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-11-07 08:19:39,591 INFO L242 Difference]: Finished difference. Result has 419 places, 383 transitions, 3049 flow [2021-11-07 08:19:39,592 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=2693, PETRI_DIFFERENCE_MINUEND_PLACES=411, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3049, PETRI_PLACES=419, PETRI_TRANSITIONS=383} [2021-11-07 08:19:39,592 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 148 predicate places. [2021-11-07 08:19:39,592 INFO L470 AbstractCegarLoop]: Abstraction has has 419 places, 383 transitions, 3049 flow [2021-11-07 08:19:39,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 270.0) internal successors, (1080), 4 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:39,593 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:39,593 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:39,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-07 08:19:39,594 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash -763562429, now seen corresponding path program 1 times [2021-11-07 08:19:39,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:39,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66170250] [2021-11-07 08:19:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:39,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:39,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:39,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66170250] [2021-11-07 08:19:39,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66170250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:39,782 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:39,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-07 08:19:39,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452351509] [2021-11-07 08:19:39,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 08:19:39,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:39,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 08:19:39,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-07 08:19:39,788 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 299 [2021-11-07 08:19:39,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 419 places, 383 transitions, 3049 flow. Second operand has 9 states, 9 states have (on average 265.8888888888889) internal successors, (2393), 9 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:39,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:39,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 299 [2021-11-07 08:19:39,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:41,248 INFO L129 PetriNetUnfolder]: 800/4202 cut-off events. [2021-11-07 08:19:41,249 INFO L130 PetriNetUnfolder]: For 8966/9228 co-relation queries the response was YES. [2021-11-07 08:19:41,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9162 conditions, 4202 events. 800/4202 cut-off events. For 8966/9228 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 43464 event pairs, 378 based on Foata normal form. 154/4034 useless extension candidates. Maximal degree in co-relation 8965. Up to 896 conditions per place. [2021-11-07 08:19:41,469 INFO L132 encePairwiseOnDemand]: 286/299 looper letters, 50 selfloop transitions, 11 changer transitions 3/424 dead transitions. [2021-11-07 08:19:41,469 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 424 transitions, 3359 flow [2021-11-07 08:19:41,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 08:19:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-07 08:19:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 3745 transitions. [2021-11-07 08:19:41,477 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8946488294314381 [2021-11-07 08:19:41,477 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 3745 transitions. [2021-11-07 08:19:41,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 3745 transitions. [2021-11-07 08:19:41,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:41,480 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 3745 transitions. [2021-11-07 08:19:41,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 267.5) internal successors, (3745), 14 states have internal predecessors, (3745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:41,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 299.0) internal successors, (4485), 15 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:41,502 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 299.0) internal successors, (4485), 15 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:41,502 INFO L186 Difference]: Start difference. First operand has 419 places, 383 transitions, 3049 flow. Second operand 14 states and 3745 transitions. [2021-11-07 08:19:41,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 424 transitions, 3359 flow [2021-11-07 08:19:41,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 424 transitions, 3317 flow, removed 21 selfloop flow, removed 0 redundant places. [2021-11-07 08:19:41,675 INFO L242 Difference]: Finished difference. Result has 441 places, 389 transitions, 3076 flow [2021-11-07 08:19:41,676 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=3007, PETRI_DIFFERENCE_MINUEND_PLACES=419, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3076, PETRI_PLACES=441, PETRI_TRANSITIONS=389} [2021-11-07 08:19:41,676 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 170 predicate places. [2021-11-07 08:19:41,676 INFO L470 AbstractCegarLoop]: Abstraction has has 441 places, 389 transitions, 3076 flow [2021-11-07 08:19:41,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 265.8888888888889) internal successors, (2393), 9 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:41,677 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:41,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:41,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-07 08:19:41,678 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:41,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:41,679 INFO L85 PathProgramCache]: Analyzing trace with hash -324299788, now seen corresponding path program 1 times [2021-11-07 08:19:41,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:41,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760476233] [2021-11-07 08:19:41,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:41,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:41,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:41,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760476233] [2021-11-07 08:19:41,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760476233] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:41,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:41,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-07 08:19:41,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856575204] [2021-11-07 08:19:41,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 08:19:41,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:41,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 08:19:41,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-07 08:19:41,834 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 268 out of 299 [2021-11-07 08:19:41,836 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 389 transitions, 3076 flow. Second operand has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:41,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:41,837 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 268 of 299 [2021-11-07 08:19:41,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-07 08:19:42,648 INFO L129 PetriNetUnfolder]: 113/1795 cut-off events. [2021-11-07 08:19:42,648 INFO L130 PetriNetUnfolder]: For 7570/7670 co-relation queries the response was YES. [2021-11-07 08:19:42,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4243 conditions, 1795 events. 113/1795 cut-off events. For 7570/7670 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 15514 event pairs, 1 based on Foata normal form. 12/1698 useless extension candidates. Maximal degree in co-relation 4150. Up to 106 conditions per place. [2021-11-07 08:19:42,683 INFO L132 encePairwiseOnDemand]: 288/299 looper letters, 16 selfloop transitions, 10 changer transitions 3/400 dead transitions. [2021-11-07 08:19:42,683 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 451 places, 400 transitions, 3168 flow [2021-11-07 08:19:42,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 08:19:42,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-11-07 08:19:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 3514 transitions. [2021-11-07 08:19:42,687 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9040391047080011 [2021-11-07 08:19:42,688 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 3514 transitions. [2021-11-07 08:19:42,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 3514 transitions. [2021-11-07 08:19:42,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:19:42,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 3514 transitions. [2021-11-07 08:19:42,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 270.3076923076923) internal successors, (3514), 13 states have internal predecessors, (3514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:42,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 299.0) internal successors, (4186), 14 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:42,701 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 299.0) internal successors, (4186), 14 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:42,702 INFO L186 Difference]: Start difference. First operand has 441 places, 389 transitions, 3076 flow. Second operand 13 states and 3514 transitions. [2021-11-07 08:19:42,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 451 places, 400 transitions, 3168 flow [2021-11-07 08:19:42,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 400 transitions, 3150 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-11-07 08:19:42,784 INFO L242 Difference]: Finished difference. Result has 455 places, 395 transitions, 3128 flow [2021-11-07 08:19:42,785 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=299, PETRI_DIFFERENCE_MINUEND_FLOW=3060, PETRI_DIFFERENCE_MINUEND_PLACES=434, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=389, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=379, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=3128, PETRI_PLACES=455, PETRI_TRANSITIONS=395} [2021-11-07 08:19:42,785 INFO L334 CegarLoopForPetriNet]: 271 programPoint places, 184 predicate places. [2021-11-07 08:19:42,785 INFO L470 AbstractCegarLoop]: Abstraction has has 455 places, 395 transitions, 3128 flow [2021-11-07 08:19:42,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 269.625) internal successors, (2157), 8 states have internal predecessors, (2157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:42,787 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-07 08:19:42,787 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:19:42,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-07 08:19:42,788 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-07 08:19:42,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:19:42,788 INFO L85 PathProgramCache]: Analyzing trace with hash -92146073, now seen corresponding path program 1 times [2021-11-07 08:19:42,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:19:42,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908349365] [2021-11-07 08:19:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:19:42,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:19:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:19:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:19:43,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:19:43,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908349365] [2021-11-07 08:19:43,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908349365] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:19:43,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:19:43,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2021-11-07 08:19:43,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129603674] [2021-11-07 08:19:43,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 08:19:43,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:19:43,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 08:19:43,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 08:19:43,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 299 [2021-11-07 08:19:43,954 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 395 transitions, 3128 flow. Second operand has 40 states, 40 states have (on average 188.3) internal successors, (7532), 40 states have internal predecessors, (7532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:19:43,954 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-07 08:19:43,954 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 299 [2021-11-07 08:19:43,955 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand