./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX --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 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 08:57:16,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 08:57:16,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 08:57:16,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 08:57:16,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 08:57:16,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 08:57:16,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 08:57:16,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 08:57:16,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 08:57:16,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 08:57:16,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 08:57:16,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 08:57:16,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 08:57:16,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 08:57:16,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 08:57:16,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 08:57:16,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 08:57:16,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 08:57:16,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 08:57:16,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 08:57:16,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 08:57:16,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 08:57:16,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 08:57:16,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 08:57:16,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 08:57:16,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 08:57:16,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 08:57:16,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 08:57:16,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 08:57:16,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 08:57:16,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 08:57:16,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 08:57:16,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 08:57:16,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 08:57:16,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 08:57:16,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 08:57:16,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 08:57:16,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 08:57:16,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 08:57:16,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 08:57:16,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 08:57:16,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-09 08:57:16,862 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 08:57:16,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 08:57:16,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 08:57:16,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 08:57:16,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 08:57:16,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 08:57:16,864 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 08:57:16,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 08:57:16,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 08:57:16,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 08:57:16,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 08:57:16,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 08:57:16,865 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 08:57:16,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-09 08:57:16,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 08:57:16,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 08:57:16,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-09 08:57:16,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:57:16,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 08:57:16,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-09 08:57:16,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-09 08:57:16,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 08:57:16,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-09 08:57:16,868 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-09 08:57:16,868 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-09 08:57:16,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-09 08:57:16,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 08:57:16,868 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_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514e162b13bdcbe99106b4f79e5a61b8afdae9b478788e06b35106cd952df62f [2021-11-09 08:57:17,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 08:57:17,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 08:57:17,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 08:57:17,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 08:57:17,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 08:57:17,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2021-11-09 08:57:17,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/data/f7568d698/066302d96f5446ffa53e68d318e175b4/FLAG9482ee3cb [2021-11-09 08:57:17,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 08:57:17,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/sv-benchmarks/c/weaver/chl-node-symm.wvr.c [2021-11-09 08:57:17,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/data/f7568d698/066302d96f5446ffa53e68d318e175b4/FLAG9482ee3cb [2021-11-09 08:57:18,054 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/data/f7568d698/066302d96f5446ffa53e68d318e175b4 [2021-11-09 08:57:18,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 08:57:18,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 08:57:18,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:18,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 08:57:18,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 08:57:18,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406dbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18, skipping insertion in model container [2021-11-09 08:57:18,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 08:57:18,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 08:57:18,318 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_54b14cae-53bc-433b-a6b8-d9981189b9e6/sv-benchmarks/c/weaver/chl-node-symm.wvr.c[3305,3318] [2021-11-09 08:57:18,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:18,352 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 08:57:18,377 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_54b14cae-53bc-433b-a6b8-d9981189b9e6/sv-benchmarks/c/weaver/chl-node-symm.wvr.c[3305,3318] [2021-11-09 08:57:18,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 08:57:18,402 INFO L208 MainTranslator]: Completed translation [2021-11-09 08:57:18,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18 WrapperNode [2021-11-09 08:57:18,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 08:57:18,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:18,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 08:57:18,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 08:57:18,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 08:57:18,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 08:57:18,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 08:57:18,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 08:57:18,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 08:57:18,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 08:57:18,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 08:57:18,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 08:57:18,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (1/1) ... [2021-11-09 08:57:18,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-09 08:57:18,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 08:57:18,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-09 08:57:18,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54b14cae-53bc-433b-a6b8-d9981189b9e6/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-09 08:57:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 08:57:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-09 08:57:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-09 08:57:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-09 08:57:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-09 08:57:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-09 08:57:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-09 08:57:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 08:57:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-09 08:57:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 08:57:18,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 08:57:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-09 08:57:18,598 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-09 08:57:19,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 08:57:19,324 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2021-11-09 08:57:19,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:19 BoogieIcfgContainer [2021-11-09 08:57:19,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 08:57:19,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-09 08:57:19,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-09 08:57:19,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-09 08:57:19,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 08:57:18" (1/3) ... [2021-11-09 08:57:19,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711d1fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:57:19, skipping insertion in model container [2021-11-09 08:57:19,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 08:57:18" (2/3) ... [2021-11-09 08:57:19,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711d1fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 08:57:19, skipping insertion in model container [2021-11-09 08:57:19,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 08:57:19" (3/3) ... [2021-11-09 08:57:19,343 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-node-symm.wvr.c [2021-11-09 08:57:19,351 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-09 08:57:19,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-09 08:57:19,352 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-09 08:57:19,352 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-09 08:57:19,423 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,424 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,424 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,424 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,425 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,426 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,427 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,428 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,429 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,433 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,433 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,433 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,435 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,436 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,437 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,438 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,439 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,440 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,441 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,442 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,442 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,442 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,443 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,444 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,444 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,445 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,445 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,445 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,447 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,448 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,448 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,450 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,450 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,451 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,451 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,451 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,452 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,453 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,456 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,456 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,457 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,457 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,459 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,459 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,460 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,461 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,469 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,469 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,469 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,470 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,471 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,472 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,473 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,474 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,475 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,476 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,488 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,490 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,495 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,495 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,495 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,495 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,496 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,496 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,496 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,496 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,496 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,497 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,498 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,498 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,498 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,499 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,500 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,501 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,513 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,514 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,514 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,514 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,514 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,514 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,515 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,516 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,517 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,519 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,519 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,519 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,519 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,520 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,521 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,522 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,524 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,525 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,527 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~short7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,528 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,529 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,530 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,535 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_minus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,536 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~short18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_minus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,537 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,538 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-09 08:57:19,549 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-09 08:57:19,617 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-09 08:57:19,624 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 [2021-11-09 08:57:19,624 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-09 08:57:19,653 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 366 transitions, 748 flow [2021-11-09 08:57:19,813 INFO L129 PetriNetUnfolder]: 36/364 cut-off events. [2021-11-09 08:57:19,814 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-09 08:57:19,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 364 events. 36/364 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 450 event pairs, 0 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2021-11-09 08:57:19,821 INFO L82 GeneralOperation]: Start removeDead. Operand has 337 places, 366 transitions, 748 flow [2021-11-09 08:57:19,831 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 327 places, 356 transitions, 724 flow [2021-11-09 08:57:19,910 INFO L129 PetriNetUnfolder]: 36/355 cut-off events. [2021-11-09 08:57:19,910 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-09 08:57:19,910 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:19,911 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] [2021-11-09 08:57:19,912 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:19,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:19,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1240583263, now seen corresponding path program 1 times [2021-11-09 08:57:19,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:19,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390257567] [2021-11-09 08:57:19,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:19,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:20,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:20,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390257567] [2021-11-09 08:57:20,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390257567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:20,291 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:20,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-09 08:57:20,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918345329] [2021-11-09 08:57:20,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-09 08:57:20,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:20,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-09 08:57:20,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-09 08:57:20,325 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 345 out of 366 [2021-11-09 08:57:20,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 356 transitions, 724 flow. Second operand has 2 states, 2 states have (on average 346.0) internal successors, (692), 2 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:20,330 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 345 of 366 [2021-11-09 08:57:20,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:20,404 INFO L129 PetriNetUnfolder]: 16/336 cut-off events. [2021-11-09 08:57:20,404 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-09 08:57:20,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 336 events. 16/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 428 event pairs, 0 based on Foata normal form. 20/324 useless extension candidates. Maximal degree in co-relation 342. Up to 2 conditions per place. [2021-11-09 08:57:20,410 INFO L132 encePairwiseOnDemand]: 346/366 looper letters, 0 selfloop transitions, 0 changer transitions 12/336 dead transitions. [2021-11-09 08:57:20,410 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 336 transitions, 684 flow [2021-11-09 08:57:20,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-09 08:57:20,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-09 08:57:20,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 710 transitions. [2021-11-09 08:57:20,426 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9699453551912568 [2021-11-09 08:57:20,427 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 710 transitions. [2021-11-09 08:57:20,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 710 transitions. [2021-11-09 08:57:20,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:20,433 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 710 transitions. [2021-11-09 08:57:20,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 355.0) internal successors, (710), 2 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 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) [2021-11-09 08:57:20,447 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 366.0) internal successors, (1098), 3 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) [2021-11-09 08:57:20,449 INFO L186 Difference]: Start difference. First operand has 327 places, 356 transitions, 724 flow. Second operand 2 states and 710 transitions. [2021-11-09 08:57:20,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 336 transitions, 684 flow [2021-11-09 08:57:20,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 336 transitions, 676 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-09 08:57:20,465 INFO L242 Difference]: Finished difference. Result has 324 places, 324 transitions, 652 flow [2021-11-09 08:57:20,468 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=652, PETRI_PLACES=324, PETRI_TRANSITIONS=324} [2021-11-09 08:57:20,469 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, -3 predicate places. [2021-11-09 08:57:20,469 INFO L470 AbstractCegarLoop]: Abstraction has has 324 places, 324 transitions, 652 flow [2021-11-09 08:57:20,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 346.0) internal successors, (692), 2 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,470 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:20,470 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] [2021-11-09 08:57:20,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-09 08:57:20,471 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:20,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:20,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1693256577, now seen corresponding path program 1 times [2021-11-09 08:57:20,472 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:20,472 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242043953] [2021-11-09 08:57:20,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:20,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:20,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:20,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242043953] [2021-11-09 08:57:20,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242043953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:20,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:20,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:57:20,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764421694] [2021-11-09 08:57:20,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:57:20,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:20,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:57:20,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:57:20,652 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 366 [2021-11-09 08:57:20,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 324 places, 324 transitions, 652 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:20,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 366 [2021-11-09 08:57:20,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:20,739 INFO L129 PetriNetUnfolder]: 16/329 cut-off events. [2021-11-09 08:57:20,739 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-09 08:57:20,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 415 event pairs, 0 based on Foata normal form. 0/309 useless extension candidates. Maximal degree in co-relation 341. Up to 8 conditions per place. [2021-11-09 08:57:20,743 INFO L132 encePairwiseOnDemand]: 362/366 looper letters, 7 selfloop transitions, 3 changer transitions 0/326 dead transitions. [2021-11-09 08:57:20,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 326 transitions, 676 flow [2021-11-09 08:57:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:57:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:57:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2021-11-09 08:57:20,747 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.930783242258652 [2021-11-09 08:57:20,747 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2021-11-09 08:57:20,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2021-11-09 08:57:20,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:20,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2021-11-09 08:57:20,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,757 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,757 INFO L186 Difference]: Start difference. First operand has 324 places, 324 transitions, 652 flow. Second operand 3 states and 1022 transitions. [2021-11-09 08:57:20,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 326 transitions, 676 flow [2021-11-09 08:57:20,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 326 transitions, 676 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-09 08:57:20,768 INFO L242 Difference]: Finished difference. Result has 316 places, 326 transitions, 674 flow [2021-11-09 08:57:20,769 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=652, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=324, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=674, PETRI_PLACES=316, PETRI_TRANSITIONS=326} [2021-11-09 08:57:20,770 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, -11 predicate places. [2021-11-09 08:57:20,770 INFO L470 AbstractCegarLoop]: Abstraction has has 316 places, 326 transitions, 674 flow [2021-11-09 08:57:20,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,771 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:20,772 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] [2021-11-09 08:57:20,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-09 08:57:20,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:20,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:20,773 INFO L85 PathProgramCache]: Analyzing trace with hash -766517887, now seen corresponding path program 1 times [2021-11-09 08:57:20,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:20,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236391843] [2021-11-09 08:57:20,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:20,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:20,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:20,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:20,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236391843] [2021-11-09 08:57:20,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236391843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:20,930 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:20,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-09 08:57:20,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877847526] [2021-11-09 08:57:20,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-09 08:57:20,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:20,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-09 08:57:20,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-09 08:57:20,936 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 337 out of 366 [2021-11-09 08:57:20,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 326 transitions, 674 flow. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:20,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:20,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 337 of 366 [2021-11-09 08:57:20,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:21,026 INFO L129 PetriNetUnfolder]: 16/334 cut-off events. [2021-11-09 08:57:21,026 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-11-09 08:57:21,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 334 events. 16/334 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 433 event pairs, 0 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 355. Up to 8 conditions per place. [2021-11-09 08:57:21,030 INFO L132 encePairwiseOnDemand]: 362/366 looper letters, 7 selfloop transitions, 3 changer transitions 0/328 dead transitions. [2021-11-09 08:57:21,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 328 transitions, 698 flow [2021-11-09 08:57:21,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-09 08:57:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-09 08:57:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1022 transitions. [2021-11-09 08:57:21,034 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.930783242258652 [2021-11-09 08:57:21,034 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1022 transitions. [2021-11-09 08:57:21,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1022 transitions. [2021-11-09 08:57:21,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:21,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1022 transitions. [2021-11-09 08:57:21,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 340.6666666666667) internal successors, (1022), 3 states have internal predecessors, (1022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 366.0) internal successors, (1464), 4 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,044 INFO L186 Difference]: Start difference. First operand has 316 places, 326 transitions, 674 flow. Second operand 3 states and 1022 transitions. [2021-11-09 08:57:21,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 328 transitions, 698 flow [2021-11-09 08:57:21,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 328 transitions, 692 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 08:57:21,053 INFO L242 Difference]: Finished difference. Result has 318 places, 328 transitions, 690 flow [2021-11-09 08:57:21,054 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=668, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=326, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=690, PETRI_PLACES=318, PETRI_TRANSITIONS=328} [2021-11-09 08:57:21,054 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, -9 predicate places. [2021-11-09 08:57:21,054 INFO L470 AbstractCegarLoop]: Abstraction has has 318 places, 328 transitions, 690 flow [2021-11-09 08:57:21,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 3 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,056 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:21,056 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] [2021-11-09 08:57:21,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-09 08:57:21,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:21,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:21,057 INFO L85 PathProgramCache]: Analyzing trace with hash -720586023, now seen corresponding path program 1 times [2021-11-09 08:57:21,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:21,057 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102823247] [2021-11-09 08:57:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:21,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:21,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:21,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:21,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102823247] [2021-11-09 08:57:21,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102823247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:21,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:21,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:21,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313048642] [2021-11-09 08:57:21,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:21,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:21,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:21,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:21,314 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:21,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 328 transitions, 690 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:21,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:21,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:21,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:23,280 INFO L129 PetriNetUnfolder]: 809/4072 cut-off events. [2021-11-09 08:57:23,280 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-11-09 08:57:23,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5630 conditions, 4072 events. 809/4072 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 38009 event pairs, 39 based on Foata normal form. 0/3808 useless extension candidates. Maximal degree in co-relation 5624. Up to 560 conditions per place. [2021-11-09 08:57:23,322 INFO L132 encePairwiseOnDemand]: 350/366 looper letters, 197 selfloop transitions, 28 changer transitions 0/490 dead transitions. [2021-11-09 08:57:23,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 490 transitions, 1465 flow [2021-11-09 08:57:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 08:57:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 08:57:23,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 6713 transitions. [2021-11-09 08:57:23,343 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7974578284628178 [2021-11-09 08:57:23,343 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 6713 transitions. [2021-11-09 08:57:23,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 6713 transitions. [2021-11-09 08:57:23,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:23,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 6713 transitions. [2021-11-09 08:57:23,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 291.8695652173913) internal successors, (6713), 23 states have internal predecessors, (6713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:23,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:23,425 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:23,425 INFO L186 Difference]: Start difference. First operand has 318 places, 328 transitions, 690 flow. Second operand 23 states and 6713 transitions. [2021-11-09 08:57:23,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 490 transitions, 1465 flow [2021-11-09 08:57:23,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 490 transitions, 1459 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-09 08:57:23,443 INFO L242 Difference]: Finished difference. Result has 345 places, 349 transitions, 814 flow [2021-11-09 08:57:23,444 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=814, PETRI_PLACES=345, PETRI_TRANSITIONS=349} [2021-11-09 08:57:23,444 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 18 predicate places. [2021-11-09 08:57:23,445 INFO L470 AbstractCegarLoop]: Abstraction has has 345 places, 349 transitions, 814 flow [2021-11-09 08:57:23,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:23,447 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:23,447 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] [2021-11-09 08:57:23,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-09 08:57:23,447 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:23,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1297196559, now seen corresponding path program 2 times [2021-11-09 08:57:23,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:23,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962141841] [2021-11-09 08:57:23,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:23,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:23,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:23,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962141841] [2021-11-09 08:57:23,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962141841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:23,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:23,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:23,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029369723] [2021-11-09 08:57:23,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:23,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:23,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:23,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:23,694 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:23,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 349 transitions, 814 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:23,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:23,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:23,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:26,631 INFO L129 PetriNetUnfolder]: 1617/9790 cut-off events. [2021-11-09 08:57:26,632 INFO L130 PetriNetUnfolder]: For 789/795 co-relation queries the response was YES. [2021-11-09 08:57:26,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13957 conditions, 9790 events. 1617/9790 cut-off events. For 789/795 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 119022 event pairs, 464 based on Foata normal form. 3/9351 useless extension candidates. Maximal degree in co-relation 13944. Up to 1101 conditions per place. [2021-11-09 08:57:26,735 INFO L132 encePairwiseOnDemand]: 349/366 looper letters, 252 selfloop transitions, 41 changer transitions 0/558 dead transitions. [2021-11-09 08:57:26,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 558 transitions, 2019 flow [2021-11-09 08:57:26,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 08:57:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 08:57:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 6746 transitions. [2021-11-09 08:57:26,758 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8013779995248278 [2021-11-09 08:57:26,758 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 6746 transitions. [2021-11-09 08:57:26,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 6746 transitions. [2021-11-09 08:57:26,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:26,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 6746 transitions. [2021-11-09 08:57:26,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 293.30434782608694) internal successors, (6746), 23 states have internal predecessors, (6746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:26,803 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:26,817 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:26,825 INFO L186 Difference]: Start difference. First operand has 345 places, 349 transitions, 814 flow. Second operand 23 states and 6746 transitions. [2021-11-09 08:57:26,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 558 transitions, 2019 flow [2021-11-09 08:57:26,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 558 transitions, 1910 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-11-09 08:57:26,858 INFO L242 Difference]: Finished difference. Result has 381 places, 383 transitions, 1084 flow [2021-11-09 08:57:26,859 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1084, PETRI_PLACES=381, PETRI_TRANSITIONS=383} [2021-11-09 08:57:26,859 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 54 predicate places. [2021-11-09 08:57:26,859 INFO L470 AbstractCegarLoop]: Abstraction has has 381 places, 383 transitions, 1084 flow [2021-11-09 08:57:26,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:26,862 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:26,862 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] [2021-11-09 08:57:26,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-09 08:57:26,863 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:26,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1015305215, now seen corresponding path program 3 times [2021-11-09 08:57:26,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:26,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961285994] [2021-11-09 08:57:26,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:26,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:27,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:27,071 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:27,071 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961285994] [2021-11-09 08:57:27,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961285994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:27,072 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:27,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:27,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676105501] [2021-11-09 08:57:27,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:27,073 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:27,082 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:27,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 383 transitions, 1084 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:27,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:27,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:27,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:29,906 INFO L129 PetriNetUnfolder]: 1620/9348 cut-off events. [2021-11-09 08:57:29,907 INFO L130 PetriNetUnfolder]: For 3159/3196 co-relation queries the response was YES. [2021-11-09 08:57:29,991 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14865 conditions, 9348 events. 1620/9348 cut-off events. For 3159/3196 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 110018 event pairs, 77 based on Foata normal form. 12/9021 useless extension candidates. Maximal degree in co-relation 14832. Up to 1296 conditions per place. [2021-11-09 08:57:30,029 INFO L132 encePairwiseOnDemand]: 350/366 looper letters, 262 selfloop transitions, 43 changer transitions 0/570 dead transitions. [2021-11-09 08:57:30,029 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 403 places, 570 transitions, 2647 flow [2021-11-09 08:57:30,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 08:57:30,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 08:57:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 6711 transitions. [2021-11-09 08:57:30,049 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7972202423378475 [2021-11-09 08:57:30,049 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 6711 transitions. [2021-11-09 08:57:30,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 6711 transitions. [2021-11-09 08:57:30,055 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:30,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 6711 transitions. [2021-11-09 08:57:30,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 291.7826086956522) internal successors, (6711), 23 states have internal predecessors, (6711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:30,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:30,099 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:30,099 INFO L186 Difference]: Start difference. First operand has 381 places, 383 transitions, 1084 flow. Second operand 23 states and 6711 transitions. [2021-11-09 08:57:30,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 403 places, 570 transitions, 2647 flow [2021-11-09 08:57:30,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 570 transitions, 2631 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-11-09 08:57:30,146 INFO L242 Difference]: Finished difference. Result has 413 places, 397 transitions, 1331 flow [2021-11-09 08:57:30,147 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1331, PETRI_PLACES=413, PETRI_TRANSITIONS=397} [2021-11-09 08:57:30,147 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 86 predicate places. [2021-11-09 08:57:30,148 INFO L470 AbstractCegarLoop]: Abstraction has has 413 places, 397 transitions, 1331 flow [2021-11-09 08:57:30,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:30,149 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:30,149 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] [2021-11-09 08:57:30,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-09 08:57:30,150 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:30,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:30,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1974611353, now seen corresponding path program 4 times [2021-11-09 08:57:30,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:30,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190084800] [2021-11-09 08:57:30,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:30,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:30,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:30,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:30,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190084800] [2021-11-09 08:57:30,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190084800] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:30,356 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:30,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:30,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877655055] [2021-11-09 08:57:30,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:30,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:30,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:30,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:30,363 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:30,366 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 413 places, 397 transitions, 1331 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:30,366 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:30,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:30,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:33,258 INFO L129 PetriNetUnfolder]: 1791/11012 cut-off events. [2021-11-09 08:57:33,259 INFO L130 PetriNetUnfolder]: For 5518/5560 co-relation queries the response was YES. [2021-11-09 08:57:33,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18117 conditions, 11012 events. 1791/11012 cut-off events. For 5518/5560 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 136738 event pairs, 461 based on Foata normal form. 34/10595 useless extension candidates. Maximal degree in co-relation 18073. Up to 1101 conditions per place. [2021-11-09 08:57:33,390 INFO L132 encePairwiseOnDemand]: 349/366 looper letters, 257 selfloop transitions, 61 changer transitions 0/583 dead transitions. [2021-11-09 08:57:33,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 435 places, 583 transitions, 2778 flow [2021-11-09 08:57:33,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 08:57:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 08:57:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 6743 transitions. [2021-11-09 08:57:33,414 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8010216203373723 [2021-11-09 08:57:33,414 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 6743 transitions. [2021-11-09 08:57:33,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 6743 transitions. [2021-11-09 08:57:33,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:33,420 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 6743 transitions. [2021-11-09 08:57:33,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 293.17391304347825) internal successors, (6743), 23 states have internal predecessors, (6743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:33,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:33,464 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:33,464 INFO L186 Difference]: Start difference. First operand has 413 places, 397 transitions, 1331 flow. Second operand 23 states and 6743 transitions. [2021-11-09 08:57:33,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 435 places, 583 transitions, 2778 flow [2021-11-09 08:57:33,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 583 transitions, 2575 flow, removed 20 selfloop flow, removed 12 redundant places. [2021-11-09 08:57:33,520 INFO L242 Difference]: Finished difference. Result has 433 places, 412 transitions, 1536 flow [2021-11-09 08:57:33,521 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=1257, PETRI_DIFFERENCE_MINUEND_PLACES=401, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1536, PETRI_PLACES=433, PETRI_TRANSITIONS=412} [2021-11-09 08:57:33,521 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 106 predicate places. [2021-11-09 08:57:33,521 INFO L470 AbstractCegarLoop]: Abstraction has has 433 places, 412 transitions, 1536 flow [2021-11-09 08:57:33,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:33,523 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:33,523 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] [2021-11-09 08:57:33,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-09 08:57:33,524 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:33,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:33,524 INFO L85 PathProgramCache]: Analyzing trace with hash 606266895, now seen corresponding path program 5 times [2021-11-09 08:57:33,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:33,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901505483] [2021-11-09 08:57:33,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:33,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:33,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:33,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:33,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901505483] [2021-11-09 08:57:33,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901505483] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:33,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:33,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:33,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279917490] [2021-11-09 08:57:33,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:33,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:33,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:33,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:33,723 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:33,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 412 transitions, 1536 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:33,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:33,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:33,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:37,151 INFO L129 PetriNetUnfolder]: 2234/13748 cut-off events. [2021-11-09 08:57:37,152 INFO L130 PetriNetUnfolder]: For 10933/11004 co-relation queries the response was YES. [2021-11-09 08:57:37,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23846 conditions, 13748 events. 2234/13748 cut-off events. For 10933/11004 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 177608 event pairs, 111 based on Foata normal form. 23/13267 useless extension candidates. Maximal degree in co-relation 23792. Up to 1639 conditions per place. [2021-11-09 08:57:37,300 INFO L132 encePairwiseOnDemand]: 348/366 looper letters, 309 selfloop transitions, 73 changer transitions 0/647 dead transitions. [2021-11-09 08:57:37,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 647 transitions, 3726 flow [2021-11-09 08:57:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 08:57:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-09 08:57:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 7891 transitions. [2021-11-09 08:57:37,315 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7985225662821291 [2021-11-09 08:57:37,315 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 7891 transitions. [2021-11-09 08:57:37,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 7891 transitions. [2021-11-09 08:57:37,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:37,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 7891 transitions. [2021-11-09 08:57:37,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 292.25925925925924) internal successors, (7891), 27 states have internal predecessors, (7891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:37,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 366.0) internal successors, (10248), 28 states have internal predecessors, (10248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:37,360 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 366.0) internal successors, (10248), 28 states have internal predecessors, (10248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:37,360 INFO L186 Difference]: Start difference. First operand has 433 places, 412 transitions, 1536 flow. Second operand 27 states and 7891 transitions. [2021-11-09 08:57:37,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 647 transitions, 3726 flow [2021-11-09 08:57:37,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 647 transitions, 3505 flow, removed 22 selfloop flow, removed 12 redundant places. [2021-11-09 08:57:37,446 INFO L242 Difference]: Finished difference. Result has 462 places, 447 transitions, 2055 flow [2021-11-09 08:57:37,447 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=360, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=2055, PETRI_PLACES=462, PETRI_TRANSITIONS=447} [2021-11-09 08:57:37,447 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 135 predicate places. [2021-11-09 08:57:37,448 INFO L470 AbstractCegarLoop]: Abstraction has has 462 places, 447 transitions, 2055 flow [2021-11-09 08:57:37,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:37,449 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:37,449 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-09 08:57:37,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-09 08:57:37,450 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:37,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:37,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1645053997, now seen corresponding path program 6 times [2021-11-09 08:57:37,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:37,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764468729] [2021-11-09 08:57:37,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:37,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:37,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:37,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764468729] [2021-11-09 08:57:37,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764468729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:37,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:37,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:37,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530575493] [2021-11-09 08:57:37,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:37,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:37,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:37,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:37,651 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:37,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 447 transitions, 2055 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:37,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:37,655 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:37,655 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:42,627 INFO L129 PetriNetUnfolder]: 2790/17747 cut-off events. [2021-11-09 08:57:42,628 INFO L130 PetriNetUnfolder]: For 18945/19017 co-relation queries the response was YES. [2021-11-09 08:57:42,830 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31382 conditions, 17747 events. 2790/17747 cut-off events. For 18945/19017 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 243145 event pairs, 509 based on Foata normal form. 46/17102 useless extension candidates. Maximal degree in co-relation 31313. Up to 1246 conditions per place. [2021-11-09 08:57:42,887 INFO L132 encePairwiseOnDemand]: 349/366 looper letters, 338 selfloop transitions, 95 changer transitions 0/698 dead transitions. [2021-11-09 08:57:42,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 698 transitions, 4326 flow [2021-11-09 08:57:42,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-09 08:57:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-11-09 08:57:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 8217 transitions. [2021-11-09 08:57:42,897 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8018149882903981 [2021-11-09 08:57:42,897 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 8217 transitions. [2021-11-09 08:57:42,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 8217 transitions. [2021-11-09 08:57:42,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:42,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 8217 transitions. [2021-11-09 08:57:42,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 293.4642857142857) internal successors, (8217), 28 states have internal predecessors, (8217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:42,932 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 366.0) internal successors, (10614), 29 states have internal predecessors, (10614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:42,937 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 366.0) internal successors, (10614), 29 states have internal predecessors, (10614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:42,937 INFO L186 Difference]: Start difference. First operand has 462 places, 447 transitions, 2055 flow. Second operand 28 states and 8217 transitions. [2021-11-09 08:57:42,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 698 transitions, 4326 flow [2021-11-09 08:57:43,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 482 places, 698 transitions, 4098 flow, removed 63 selfloop flow, removed 7 redundant places. [2021-11-09 08:57:43,253 INFO L242 Difference]: Finished difference. Result has 491 places, 463 transitions, 2317 flow [2021-11-09 08:57:43,254 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=1906, PETRI_DIFFERENCE_MINUEND_PLACES=455, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=2317, PETRI_PLACES=491, PETRI_TRANSITIONS=463} [2021-11-09 08:57:43,255 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 164 predicate places. [2021-11-09 08:57:43,255 INFO L470 AbstractCegarLoop]: Abstraction has has 491 places, 463 transitions, 2317 flow [2021-11-09 08:57:43,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:43,256 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:43,257 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] [2021-11-09 08:57:43,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-09 08:57:43,257 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:43,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:43,258 INFO L85 PathProgramCache]: Analyzing trace with hash -394074305, now seen corresponding path program 7 times [2021-11-09 08:57:43,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:43,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293207235] [2021-11-09 08:57:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:43,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:43,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:43,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:43,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293207235] [2021-11-09 08:57:43,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293207235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:43,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:43,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:43,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763482340] [2021-11-09 08:57:43,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:43,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:43,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:43,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:43,478 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:43,482 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 463 transitions, 2317 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:43,482 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:43,482 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:43,482 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:49,404 INFO L129 PetriNetUnfolder]: 3252/20943 cut-off events. [2021-11-09 08:57:49,404 INFO L130 PetriNetUnfolder]: For 29810/29908 co-relation queries the response was YES. [2021-11-09 08:57:49,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38651 conditions, 20943 events. 3252/20943 cut-off events. For 29810/29908 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 296642 event pairs, 266 based on Foata normal form. 26/20158 useless extension candidates. Maximal degree in co-relation 38573. Up to 3035 conditions per place. [2021-11-09 08:57:49,821 INFO L132 encePairwiseOnDemand]: 350/366 looper letters, 321 selfloop transitions, 83 changer transitions 0/669 dead transitions. [2021-11-09 08:57:49,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 513 places, 669 transitions, 4799 flow [2021-11-09 08:57:49,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-09 08:57:49,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-11-09 08:57:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 6733 transitions. [2021-11-09 08:57:49,844 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7998336897125208 [2021-11-09 08:57:49,844 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 6733 transitions. [2021-11-09 08:57:49,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 6733 transitions. [2021-11-09 08:57:49,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:49,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 6733 transitions. [2021-11-09 08:57:49,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 292.7391304347826) internal successors, (6733), 23 states have internal predecessors, (6733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:49,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:49,883 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 366.0) internal successors, (8784), 24 states have internal predecessors, (8784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:49,884 INFO L186 Difference]: Start difference. First operand has 491 places, 463 transitions, 2317 flow. Second operand 23 states and 6733 transitions. [2021-11-09 08:57:49,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 513 places, 669 transitions, 4799 flow [2021-11-09 08:57:50,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 500 places, 669 transitions, 4515 flow, removed 27 selfloop flow, removed 13 redundant places. [2021-11-09 08:57:50,202 INFO L242 Difference]: Finished difference. Result has 514 places, 497 transitions, 3008 flow [2021-11-09 08:57:50,204 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=2159, PETRI_DIFFERENCE_MINUEND_PLACES=478, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=3008, PETRI_PLACES=514, PETRI_TRANSITIONS=497} [2021-11-09 08:57:50,204 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 187 predicate places. [2021-11-09 08:57:50,205 INFO L470 AbstractCegarLoop]: Abstraction has has 514 places, 497 transitions, 3008 flow [2021-11-09 08:57:50,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:50,206 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:50,207 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] [2021-11-09 08:57:50,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-09 08:57:50,208 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:50,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash -257856599, now seen corresponding path program 8 times [2021-11-09 08:57:50,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:50,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944341053] [2021-11-09 08:57:50,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:50,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:50,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:50,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944341053] [2021-11-09 08:57:50,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944341053] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:50,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:50,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:50,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290546266] [2021-11-09 08:57:50,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:50,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:50,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:50,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:50,445 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:50,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 497 transitions, 3008 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:50,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:50,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:50,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:57:56,894 INFO L129 PetriNetUnfolder]: 3282/20538 cut-off events. [2021-11-09 08:57:56,894 INFO L130 PetriNetUnfolder]: For 36876/36965 co-relation queries the response was YES. [2021-11-09 08:57:57,195 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39547 conditions, 20538 events. 3282/20538 cut-off events. For 36876/36965 co-relation queries the response was YES. Maximal size of possible extension queue 770. Compared 289258 event pairs, 385 based on Foata normal form. 54/19811 useless extension candidates. Maximal degree in co-relation 39455. Up to 1615 conditions per place. [2021-11-09 08:57:57,252 INFO L132 encePairwiseOnDemand]: 347/366 looper letters, 333 selfloop transitions, 155 changer transitions 0/753 dead transitions. [2021-11-09 08:57:57,252 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 753 transitions, 5666 flow [2021-11-09 08:57:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-09 08:57:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-11-09 08:57:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 8525 transitions. [2021-11-09 08:57:57,264 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.803184473337102 [2021-11-09 08:57:57,264 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 8525 transitions. [2021-11-09 08:57:57,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 8525 transitions. [2021-11-09 08:57:57,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:57:57,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 8525 transitions. [2021-11-09 08:57:57,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 293.9655172413793) internal successors, (8525), 29 states have internal predecessors, (8525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:57,294 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 366.0) internal successors, (10980), 30 states have internal predecessors, (10980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:57,298 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 366.0) internal successors, (10980), 30 states have internal predecessors, (10980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:57,299 INFO L186 Difference]: Start difference. First operand has 514 places, 497 transitions, 3008 flow. Second operand 29 states and 8525 transitions. [2021-11-09 08:57:57,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 753 transitions, 5666 flow [2021-11-09 08:57:57,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 536 places, 753 transitions, 5295 flow, removed 145 selfloop flow, removed 6 redundant places. [2021-11-09 08:57:57,689 INFO L242 Difference]: Finished difference. Result has 548 places, 528 transitions, 3463 flow [2021-11-09 08:57:57,690 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=2729, PETRI_DIFFERENCE_MINUEND_PLACES=508, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=497, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=3463, PETRI_PLACES=548, PETRI_TRANSITIONS=528} [2021-11-09 08:57:57,691 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 221 predicate places. [2021-11-09 08:57:57,691 INFO L470 AbstractCegarLoop]: Abstraction has has 548 places, 528 transitions, 3463 flow [2021-11-09 08:57:57,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:57,692 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:57:57,693 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] [2021-11-09 08:57:57,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-09 08:57:57,693 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:57:57,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:57:57,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2057168699, now seen corresponding path program 9 times [2021-11-09 08:57:57,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:57:57,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423799921] [2021-11-09 08:57:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:57:57,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:57:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:57:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:57:57,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:57:57,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423799921] [2021-11-09 08:57:57,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423799921] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:57:57,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:57:57,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:57:57,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294777444] [2021-11-09 08:57:57,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:57:57,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:57:57,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:57:57,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:57:57,904 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:57:57,907 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 528 transitions, 3463 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:57:57,908 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:57:57,908 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:57:57,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:06,260 INFO L129 PetriNetUnfolder]: 4032/25574 cut-off events. [2021-11-09 08:58:06,260 INFO L130 PetriNetUnfolder]: For 53890/54000 co-relation queries the response was YES. [2021-11-09 08:58:06,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50701 conditions, 25574 events. 4032/25574 cut-off events. For 53890/54000 co-relation queries the response was YES. Maximal size of possible extension queue 964. Compared 375149 event pairs, 448 based on Foata normal form. 52/24598 useless extension candidates. Maximal degree in co-relation 50597. Up to 2255 conditions per place. [2021-11-09 08:58:06,785 INFO L132 encePairwiseOnDemand]: 349/366 looper letters, 369 selfloop transitions, 163 changer transitions 0/797 dead transitions. [2021-11-09 08:58:06,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 576 places, 797 transitions, 6771 flow [2021-11-09 08:58:06,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-09 08:58:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-11-09 08:58:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 8510 transitions. [2021-11-09 08:58:06,796 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8017712455247786 [2021-11-09 08:58:06,797 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 8510 transitions. [2021-11-09 08:58:06,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 8510 transitions. [2021-11-09 08:58:06,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:06,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 8510 transitions. [2021-11-09 08:58:06,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 293.44827586206895) internal successors, (8510), 29 states have internal predecessors, (8510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:06,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 366.0) internal successors, (10980), 30 states have internal predecessors, (10980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:06,832 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 366.0) internal successors, (10980), 30 states have internal predecessors, (10980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:06,832 INFO L186 Difference]: Start difference. First operand has 548 places, 528 transitions, 3463 flow. Second operand 29 states and 8510 transitions. [2021-11-09 08:58:06,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 576 places, 797 transitions, 6771 flow [2021-11-09 08:58:07,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 797 transitions, 6496 flow, removed 34 selfloop flow, removed 8 redundant places. [2021-11-09 08:58:07,200 INFO L242 Difference]: Finished difference. Result has 591 places, 571 transitions, 4501 flow [2021-11-09 08:58:07,202 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=3250, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=528, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=4501, PETRI_PLACES=591, PETRI_TRANSITIONS=571} [2021-11-09 08:58:07,202 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 264 predicate places. [2021-11-09 08:58:07,202 INFO L470 AbstractCegarLoop]: Abstraction has has 591 places, 571 transitions, 4501 flow [2021-11-09 08:58:07,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:07,203 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:07,203 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] [2021-11-09 08:58:07,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-09 08:58:07,203 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:58:07,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:07,204 INFO L85 PathProgramCache]: Analyzing trace with hash -220516851, now seen corresponding path program 10 times [2021-11-09 08:58:07,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:07,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448723758] [2021-11-09 08:58:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:07,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:07,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:07,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448723758] [2021-11-09 08:58:07,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448723758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:07,351 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:07,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:58:07,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860749642] [2021-11-09 08:58:07,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:58:07,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:07,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:58:07,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:58:07,356 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:58:07,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 591 places, 571 transitions, 4501 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:07,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:07,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:58:07,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-09 08:58:16,768 INFO L129 PetriNetUnfolder]: 4101/26269 cut-off events. [2021-11-09 08:58:16,768 INFO L130 PetriNetUnfolder]: For 70896/71034 co-relation queries the response was YES. [2021-11-09 08:58:17,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54020 conditions, 26269 events. 4101/26269 cut-off events. For 70896/71034 co-relation queries the response was YES. Maximal size of possible extension queue 1000. Compared 387877 event pairs, 509 based on Foata normal form. 76/25339 useless extension candidates. Maximal degree in co-relation 53892. Up to 2439 conditions per place. [2021-11-09 08:58:17,818 INFO L132 encePairwiseOnDemand]: 349/366 looper letters, 390 selfloop transitions, 148 changer transitions 0/803 dead transitions. [2021-11-09 08:58:17,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 803 transitions, 7606 flow [2021-11-09 08:58:17,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-09 08:58:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-11-09 08:58:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 7930 transitions. [2021-11-09 08:58:17,841 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8024691358024691 [2021-11-09 08:58:17,841 INFO L72 ComplementDD]: Start complementDD. Operand 27 states and 7930 transitions. [2021-11-09 08:58:17,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 7930 transitions. [2021-11-09 08:58:17,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 08:58:17,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 27 states and 7930 transitions. [2021-11-09 08:58:17,868 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 28 states, 27 states have (on average 293.7037037037037) internal successors, (7930), 27 states have internal predecessors, (7930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 28 states, 28 states have (on average 366.0) internal successors, (10248), 28 states have internal predecessors, (10248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,885 INFO L81 ComplementDD]: Finished complementDD. Result has 28 states, 28 states have (on average 366.0) internal successors, (10248), 28 states have internal predecessors, (10248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:17,886 INFO L186 Difference]: Start difference. First operand has 591 places, 571 transitions, 4501 flow. Second operand 27 states and 7930 transitions. [2021-11-09 08:58:17,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 803 transitions, 7606 flow [2021-11-09 08:58:18,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 614 places, 803 transitions, 7038 flow, removed 246 selfloop flow, removed 3 redundant places. [2021-11-09 08:58:18,436 INFO L242 Difference]: Finished difference. Result has 618 places, 576 transitions, 4592 flow [2021-11-09 08:58:18,437 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=366, PETRI_DIFFERENCE_MINUEND_FLOW=4146, PETRI_DIFFERENCE_MINUEND_PLACES=588, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=571, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4592, PETRI_PLACES=618, PETRI_TRANSITIONS=576} [2021-11-09 08:58:18,437 INFO L334 CegarLoopForPetriNet]: 327 programPoint places, 291 predicate places. [2021-11-09 08:58:18,437 INFO L470 AbstractCegarLoop]: Abstraction has has 618 places, 576 transitions, 4592 flow [2021-11-09 08:58:18,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:18,438 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-09 08:58:18,438 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] [2021-11-09 08:58:18,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-09 08:58:18,438 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-09 08:58:18,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 08:58:18,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1120666515, now seen corresponding path program 11 times [2021-11-09 08:58:18,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 08:58:18,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750552767] [2021-11-09 08:58:18,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 08:58:18,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 08:58:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 08:58:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 08:58:18,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-09 08:58:18,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750552767] [2021-11-09 08:58:18,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750552767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-09 08:58:18,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-09 08:58:18,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-09 08:58:18,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669197067] [2021-11-09 08:58:18,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-09 08:58:18,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-09 08:58:18,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-09 08:58:18,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-09 08:58:18,628 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 282 out of 366 [2021-11-09 08:58:18,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 576 transitions, 4592 flow. Second operand has 11 states, 11 states have (on average 286.45454545454544) internal successors, (3151), 11 states have internal predecessors, (3151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 08:58:18,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-09 08:58:18,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 282 of 366 [2021-11-09 08:58:18,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand