./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/unroll-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0 --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 c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:22:58,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:22:58,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:22:59,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:22:59,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:22:59,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:22:59,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:22:59,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:22:59,020 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:22:59,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:22:59,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:22:59,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:22:59,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:22:59,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:22:59,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:22:59,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:22:59,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:22:59,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:22:59,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:22:59,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:22:59,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:22:59,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:22:59,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:22:59,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:22:59,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:22:59,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:22:59,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:22:59,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:22:59,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:22:59,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:22:59,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:22:59,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:22:59,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:22:59,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:22:59,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:22:59,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:22:59,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:22:59,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:22:59,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:22:59,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:22:59,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:22:59,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:22:59,131 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:22:59,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:22:59,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:22:59,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:22:59,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:22:59,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:22:59,148 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:22:59,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:22:59,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:22:59,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:22:59,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:22:59,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:22:59,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:22:59,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:22:59,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:22:59,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:22:59,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:22:59,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:22:59,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:22:59,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:22:59,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:22:59,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:22:59,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:22:59,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:22:59,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:22:59,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:22:59,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:22:59,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:22:59,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:22:59,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:22:59,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:22:59,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:22:59,155 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_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8ce32899aa465c1eaa89b234122d94aaf792bb347295ccb743670e04bba6b8e [2021-11-22 16:22:59,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:22:59,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:22:59,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:22:59,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:22:59,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:22:59,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/weaver/unroll-5.wvr.c [2021-11-22 16:22:59,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/data/cdaec06c5/6de1a1547e394684830e3b41e9203bd8/FLAG5e446fbd2 [2021-11-22 16:23:00,065 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:23:00,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/sv-benchmarks/c/weaver/unroll-5.wvr.c [2021-11-22 16:23:00,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/data/cdaec06c5/6de1a1547e394684830e3b41e9203bd8/FLAG5e446fbd2 [2021-11-22 16:23:00,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/data/cdaec06c5/6de1a1547e394684830e3b41e9203bd8 [2021-11-22 16:23:00,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:23:00,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:23:00,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:23:00,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:23:00,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:23:00,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97d8443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00, skipping insertion in model container [2021-11-22 16:23:00,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:23:00,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:23:00,688 WARN L230 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_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2021-11-22 16:23:00,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:23:00,704 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:23:00,728 WARN L230 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_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/sv-benchmarks/c/weaver/unroll-5.wvr.c[2644,2657] [2021-11-22 16:23:00,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:23:00,745 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:23:00,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00 WrapperNode [2021-11-22 16:23:00,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:23:00,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:23:00,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:23:00,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:23:00,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,792 INFO L137 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 164 [2021-11-22 16:23:00,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:23:00,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:23:00,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:23:00,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:23:00,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:23:00,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:23:00,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:23:00,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:23:00,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (1/1) ... [2021-11-22 16:23:00,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:23:00,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:23:00,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:23:00,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:23:00,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:23:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-22 16:23:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-22 16:23:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-22 16:23:00,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-22 16:23:00,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:23:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 16:23:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 16:23:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 16:23:00,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:23:00,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:23:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 16:23:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 16:23:00,913 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 16:23:00,985 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:23:00,986 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:23:01,322 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:23:01,337 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:23:01,338 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 16:23:01,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:23:01 BoogieIcfgContainer [2021-11-22 16:23:01,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:23:01,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:23:01,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:23:01,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:23:01,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:23:00" (1/3) ... [2021-11-22 16:23:01,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c5b770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:23:01, skipping insertion in model container [2021-11-22 16:23:01,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:23:00" (2/3) ... [2021-11-22 16:23:01,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76c5b770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:23:01, skipping insertion in model container [2021-11-22 16:23:01,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:23:01" (3/3) ... [2021-11-22 16:23:01,370 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2021-11-22 16:23:01,377 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-22 16:23:01,378 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:23:01,378 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 16:23:01,378 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-22 16:23:01,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,430 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,431 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,432 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,446 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,447 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,448 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,449 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,450 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,451 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,452 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,454 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,455 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,456 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,457 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,458 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,459 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,460 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,461 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,462 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,464 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,465 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,466 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,467 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,468 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,469 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,470 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,471 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,473 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,474 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,474 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,474 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,474 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,475 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,476 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,477 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,478 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,479 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,480 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,481 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,482 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,483 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,484 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,485 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,486 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,487 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,488 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,489 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,492 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,493 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,494 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,498 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,499 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,509 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,510 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,511 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,512 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-22 16:23:01,516 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-22 16:23:01,573 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:23:01,581 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 [2021-11-22 16:23:01,581 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 16:23:01,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 203 places, 213 transitions, 442 flow [2021-11-22 16:23:01,710 INFO L129 PetriNetUnfolder]: 17/211 cut-off events. [2021-11-22 16:23:01,711 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-22 16:23:01,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 211 events. 17/211 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 178 event pairs, 0 based on Foata normal form. 0/193 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2021-11-22 16:23:01,721 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 213 transitions, 442 flow [2021-11-22 16:23:01,729 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 192 places, 202 transitions, 416 flow [2021-11-22 16:23:01,771 INFO L129 PetriNetUnfolder]: 13/156 cut-off events. [2021-11-22 16:23:01,771 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-22 16:23:01,772 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:01,773 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] [2021-11-22 16:23:01,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:01,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1815692484, now seen corresponding path program 1 times [2021-11-22 16:23:01,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:01,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948081605] [2021-11-22 16:23:01,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:01,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:23:02,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:02,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948081605] [2021-11-22 16:23:02,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948081605] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:02,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:02,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:23:02,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589677238] [2021-11-22 16:23:02,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:02,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 16:23:02,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:02,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 16:23:02,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:23:02,133 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 213 [2021-11-22 16:23:02,140 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 202 transitions, 416 flow. Second operand has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,140 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:02,141 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 213 [2021-11-22 16:23:02,142 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:02,203 INFO L129 PetriNetUnfolder]: 3/188 cut-off events. [2021-11-22 16:23:02,203 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-11-22 16:23:02,205 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 188 events. 3/188 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 142 event pairs, 0 based on Foata normal form. 17/191 useless extension candidates. Maximal degree in co-relation 104. Up to 5 conditions per place. [2021-11-22 16:23:02,207 INFO L132 encePairwiseOnDemand]: 199/213 looper letters, 4 selfloop transitions, 0 changer transitions 5/188 dead transitions. [2021-11-22 16:23:02,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 188 transitions, 396 flow [2021-11-22 16:23:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 16:23:02,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-22 16:23:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 406 transitions. [2021-11-22 16:23:02,224 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9530516431924883 [2021-11-22 16:23:02,225 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 406 transitions. [2021-11-22 16:23:02,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 406 transitions. [2021-11-22 16:23:02,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:02,230 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 406 transitions. [2021-11-22 16:23:02,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 203.0) internal successors, (406), 2 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,243 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 213.0) internal successors, (639), 3 states have internal predecessors, (639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,245 INFO L186 Difference]: Start difference. First operand has 192 places, 202 transitions, 416 flow. Second operand 2 states and 406 transitions. [2021-11-22 16:23:02,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 188 transitions, 396 flow [2021-11-22 16:23:02,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 188 transitions, 388 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-22 16:23:02,264 INFO L242 Difference]: Finished difference. Result has 189 places, 183 transitions, 370 flow [2021-11-22 16:23:02,266 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=370, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2021-11-22 16:23:02,275 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, -3 predicate places. [2021-11-22 16:23:02,275 INFO L470 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 370 flow [2021-11-22 16:23:02,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 196.5) internal successors, (393), 2 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,276 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:02,277 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] [2021-11-22 16:23:02,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:23:02,278 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:02,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:02,279 INFO L85 PathProgramCache]: Analyzing trace with hash 849220131, now seen corresponding path program 1 times [2021-11-22 16:23:02,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:02,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958219925] [2021-11-22 16:23:02,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:02,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:23:02,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:02,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958219925] [2021-11-22 16:23:02,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958219925] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:02,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:02,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-22 16:23:02,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631418880] [2021-11-22 16:23:02,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:02,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:23:02,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:02,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:23:02,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:23:02,692 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 213 [2021-11-22 16:23:02,696 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 370 flow. Second operand has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:02,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:02,697 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 213 [2021-11-22 16:23:02,697 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:02,965 INFO L129 PetriNetUnfolder]: 28/385 cut-off events. [2021-11-22 16:23:02,965 INFO L130 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2021-11-22 16:23:02,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 473 conditions, 385 events. 28/385 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 969 event pairs, 11 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 470. Up to 70 conditions per place. [2021-11-22 16:23:02,976 INFO L132 encePairwiseOnDemand]: 205/213 looper letters, 39 selfloop transitions, 7 changer transitions 0/187 dead transitions. [2021-11-22 16:23:02,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 470 flow [2021-11-22 16:23:02,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:23:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-22 16:23:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1255 transitions. [2021-11-22 16:23:02,987 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7365023474178404 [2021-11-22 16:23:02,988 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1255 transitions. [2021-11-22 16:23:02,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1255 transitions. [2021-11-22 16:23:02,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:02,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1255 transitions. [2021-11-22 16:23:02,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.875) internal successors, (1255), 8 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 213.0) internal successors, (1917), 9 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,005 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 213.0) internal successors, (1917), 9 states have internal predecessors, (1917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,006 INFO L186 Difference]: Start difference. First operand has 189 places, 183 transitions, 370 flow. Second operand 8 states and 1255 transitions. [2021-11-22 16:23:03,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 470 flow [2021-11-22 16:23:03,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 187 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 16:23:03,019 INFO L242 Difference]: Finished difference. Result has 192 places, 184 transitions, 392 flow [2021-11-22 16:23:03,019 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=392, PETRI_PLACES=192, PETRI_TRANSITIONS=184} [2021-11-22 16:23:03,020 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 0 predicate places. [2021-11-22 16:23:03,020 INFO L470 AbstractCegarLoop]: Abstraction has has 192 places, 184 transitions, 392 flow [2021-11-22 16:23:03,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 155.0) internal successors, (1240), 8 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,022 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:03,022 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] [2021-11-22 16:23:03,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:23:03,023 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:03,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:03,025 INFO L85 PathProgramCache]: Analyzing trace with hash 975416349, now seen corresponding path program 1 times [2021-11-22 16:23:03,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:03,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067292637] [2021-11-22 16:23:03,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:03,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:03,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:03,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067292637] [2021-11-22 16:23:03,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067292637] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:03,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:03,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:23:03,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43838566] [2021-11-22 16:23:03,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:03,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:23:03,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:03,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:23:03,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:23:03,329 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 213 [2021-11-22 16:23:03,331 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 184 transitions, 392 flow. Second operand has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,331 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:03,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 213 [2021-11-22 16:23:03,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:03,708 INFO L129 PetriNetUnfolder]: 145/915 cut-off events. [2021-11-22 16:23:03,708 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-11-22 16:23:03,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1255 conditions, 915 events. 145/915 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 5108 event pairs, 47 based on Foata normal form. 1/851 useless extension candidates. Maximal degree in co-relation 1250. Up to 160 conditions per place. [2021-11-22 16:23:03,717 INFO L132 encePairwiseOnDemand]: 206/213 looper letters, 71 selfloop transitions, 5 changer transitions 4/220 dead transitions. [2021-11-22 16:23:03,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 220 transitions, 629 flow [2021-11-22 16:23:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:23:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:23:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 975 transitions. [2021-11-22 16:23:03,721 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7629107981220657 [2021-11-22 16:23:03,722 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 975 transitions. [2021-11-22 16:23:03,722 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 975 transitions. [2021-11-22 16:23:03,723 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:03,723 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 975 transitions. [2021-11-22 16:23:03,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 162.5) internal successors, (975), 6 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,731 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,731 INFO L186 Difference]: Start difference. First operand has 192 places, 184 transitions, 392 flow. Second operand 6 states and 975 transitions. [2021-11-22 16:23:03,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 220 transitions, 629 flow [2021-11-22 16:23:03,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 220 transitions, 617 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-22 16:23:03,742 INFO L242 Difference]: Finished difference. Result has 194 places, 187 transitions, 409 flow [2021-11-22 16:23:03,743 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=409, PETRI_PLACES=194, PETRI_TRANSITIONS=187} [2021-11-22 16:23:03,745 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 2 predicate places. [2021-11-22 16:23:03,746 INFO L470 AbstractCegarLoop]: Abstraction has has 194 places, 187 transitions, 409 flow [2021-11-22 16:23:03,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.33333333333334) internal successors, (920), 6 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:03,747 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:03,747 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] [2021-11-22 16:23:03,748 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:23:03,748 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:03,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:03,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1302967288, now seen corresponding path program 1 times [2021-11-22 16:23:03,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:03,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846764302] [2021-11-22 16:23:03,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:03,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:04,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:04,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846764302] [2021-11-22 16:23:04,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846764302] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:23:04,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807636604] [2021-11-22 16:23:04,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:04,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:04,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:23:04,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:23:04,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:23:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:23:04,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:23:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:04,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:23:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:04,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807636604] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-22 16:23:04,881 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-22 16:23:04,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2021-11-22 16:23:04,882 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373023946] [2021-11-22 16:23:04,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:04,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:23:04,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:04,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:23:04,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:23:04,887 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 213 [2021-11-22 16:23:04,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 187 transitions, 409 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:04,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:04,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 213 [2021-11-22 16:23:04,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:05,140 INFO L129 PetriNetUnfolder]: 128/942 cut-off events. [2021-11-22 16:23:05,140 INFO L130 PetriNetUnfolder]: For 34/34 co-relation queries the response was YES. [2021-11-22 16:23:05,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 942 events. 128/942 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4964 event pairs, 13 based on Foata normal form. 0/829 useless extension candidates. Maximal degree in co-relation 1233. Up to 175 conditions per place. [2021-11-22 16:23:05,151 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 28 selfloop transitions, 5 changer transitions 1/199 dead transitions. [2021-11-22 16:23:05,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 199 transitions, 505 flow [2021-11-22 16:23:05,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:23:05,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-22 16:23:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 739 transitions. [2021-11-22 16:23:05,154 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8673708920187794 [2021-11-22 16:23:05,155 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 739 transitions. [2021-11-22 16:23:05,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 739 transitions. [2021-11-22 16:23:05,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:05,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 739 transitions. [2021-11-22 16:23:05,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,163 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,163 INFO L186 Difference]: Start difference. First operand has 194 places, 187 transitions, 409 flow. Second operand 4 states and 739 transitions. [2021-11-22 16:23:05,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 199 transitions, 505 flow [2021-11-22 16:23:05,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 199 transitions, 501 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-22 16:23:05,171 INFO L242 Difference]: Finished difference. Result has 196 places, 191 transitions, 441 flow [2021-11-22 16:23:05,172 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=441, PETRI_PLACES=196, PETRI_TRANSITIONS=191} [2021-11-22 16:23:05,173 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 4 predicate places. [2021-11-22 16:23:05,173 INFO L470 AbstractCegarLoop]: Abstraction has has 196 places, 191 transitions, 441 flow [2021-11-22 16:23:05,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,174 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:05,174 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] [2021-11-22 16:23:05,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 16:23:05,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:05,397 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:05,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:05,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1873768424, now seen corresponding path program 2 times [2021-11-22 16:23:05,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:05,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672332866] [2021-11-22 16:23:05,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:05,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:05,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:05,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672332866] [2021-11-22 16:23:05,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672332866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:05,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:05,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:23:05,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654271222] [2021-11-22 16:23:05,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:05,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:23:05,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:05,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:23:05,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:23:05,484 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 213 [2021-11-22 16:23:05,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 191 transitions, 441 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,489 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:05,489 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 213 [2021-11-22 16:23:05,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:05,733 INFO L129 PetriNetUnfolder]: 144/1036 cut-off events. [2021-11-22 16:23:05,733 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-11-22 16:23:05,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1523 conditions, 1036 events. 144/1036 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 5387 event pairs, 54 based on Foata normal form. 2/976 useless extension candidates. Maximal degree in co-relation 1514. Up to 221 conditions per place. [2021-11-22 16:23:05,743 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 31 selfloop transitions, 6 changer transitions 0/202 dead transitions. [2021-11-22 16:23:05,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 556 flow [2021-11-22 16:23:05,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:23:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 16:23:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 913 transitions. [2021-11-22 16:23:05,752 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8572769953051643 [2021-11-22 16:23:05,753 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 913 transitions. [2021-11-22 16:23:05,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 913 transitions. [2021-11-22 16:23:05,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:05,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 913 transitions. [2021-11-22 16:23:05,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,760 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,761 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,761 INFO L186 Difference]: Start difference. First operand has 196 places, 191 transitions, 441 flow. Second operand 5 states and 913 transitions. [2021-11-22 16:23:05,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 556 flow [2021-11-22 16:23:05,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 202 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-22 16:23:05,769 INFO L242 Difference]: Finished difference. Result has 202 places, 193 transitions, 476 flow [2021-11-22 16:23:05,770 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=441, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=476, PETRI_PLACES=202, PETRI_TRANSITIONS=193} [2021-11-22 16:23:05,773 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 10 predicate places. [2021-11-22 16:23:05,773 INFO L470 AbstractCegarLoop]: Abstraction has has 202 places, 193 transitions, 476 flow [2021-11-22 16:23:05,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:05,774 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:05,774 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] [2021-11-22 16:23:05,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:23:05,774 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:05,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash -760661096, now seen corresponding path program 3 times [2021-11-22 16:23:05,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:05,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942947827] [2021-11-22 16:23:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:05,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:05,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942947827] [2021-11-22 16:23:05,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942947827] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:23:05,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175831282] [2021-11-22 16:23:05,954 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:23:05,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:23:05,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:23:05,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 16:23:06,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 16:23:06,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:23:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:23:06,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:23:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:06,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:23:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:06,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175831282] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:23:06,647 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:23:06,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 4] total 8 [2021-11-22 16:23:06,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409710455] [2021-11-22 16:23:06,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:23:06,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-22 16:23:06,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:06,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-22 16:23:06,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:23:06,653 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2021-11-22 16:23:06,655 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 193 transitions, 476 flow. Second operand has 8 states, 8 states have (on average 176.125) internal successors, (1409), 8 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:06,655 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:06,656 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2021-11-22 16:23:06,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:07,168 INFO L129 PetriNetUnfolder]: 279/1926 cut-off events. [2021-11-22 16:23:07,168 INFO L130 PetriNetUnfolder]: For 694/702 co-relation queries the response was YES. [2021-11-22 16:23:07,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 1926 events. 279/1926 cut-off events. For 694/702 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 13056 event pairs, 99 based on Foata normal form. 8/1812 useless extension candidates. Maximal degree in co-relation 3012. Up to 392 conditions per place. [2021-11-22 16:23:07,190 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 62 selfloop transitions, 25 changer transitions 2/251 dead transitions. [2021-11-22 16:23:07,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 251 transitions, 874 flow [2021-11-22 16:23:07,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:23:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-22 16:23:07,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1637 transitions. [2021-11-22 16:23:07,198 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8539384454877412 [2021-11-22 16:23:07,198 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1637 transitions. [2021-11-22 16:23:07,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1637 transitions. [2021-11-22 16:23:07,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:07,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1637 transitions. [2021-11-22 16:23:07,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 181.88888888888889) internal successors, (1637), 9 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:07,212 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:07,213 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 213.0) internal successors, (2130), 10 states have internal predecessors, (2130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:07,213 INFO L186 Difference]: Start difference. First operand has 202 places, 193 transitions, 476 flow. Second operand 9 states and 1637 transitions. [2021-11-22 16:23:07,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 251 transitions, 874 flow [2021-11-22 16:23:07,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 251 transitions, 864 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-22 16:23:07,224 INFO L242 Difference]: Finished difference. Result has 213 places, 216 transitions, 676 flow [2021-11-22 16:23:07,225 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=676, PETRI_PLACES=213, PETRI_TRANSITIONS=216} [2021-11-22 16:23:07,226 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 21 predicate places. [2021-11-22 16:23:07,226 INFO L470 AbstractCegarLoop]: Abstraction has has 213 places, 216 transitions, 676 flow [2021-11-22 16:23:07,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 176.125) internal successors, (1409), 8 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:07,227 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:07,228 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] [2021-11-22 16:23:07,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 16:23:07,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:07,449 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:07,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:07,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1762707664, now seen corresponding path program 4 times [2021-11-22 16:23:07,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:07,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411898139] [2021-11-22 16:23:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:07,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:07,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:07,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411898139] [2021-11-22 16:23:07,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411898139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:07,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:07,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 16:23:07,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371269231] [2021-11-22 16:23:07,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:07,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:23:07,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:07,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:23:07,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:23:07,583 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 213 [2021-11-22 16:23:07,585 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 216 transitions, 676 flow. Second operand has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:07,585 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:07,585 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 213 [2021-11-22 16:23:07,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:08,063 INFO L129 PetriNetUnfolder]: 276/1875 cut-off events. [2021-11-22 16:23:08,063 INFO L130 PetriNetUnfolder]: For 1201/1201 co-relation queries the response was YES. [2021-11-22 16:23:08,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3211 conditions, 1875 events. 276/1875 cut-off events. For 1201/1201 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 12618 event pairs, 119 based on Foata normal form. 11/1763 useless extension candidates. Maximal degree in co-relation 3194. Up to 418 conditions per place. [2021-11-22 16:23:08,082 INFO L132 encePairwiseOnDemand]: 205/213 looper letters, 56 selfloop transitions, 20 changer transitions 2/240 dead transitions. [2021-11-22 16:23:08,082 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 240 transitions, 928 flow [2021-11-22 16:23:08,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:23:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-22 16:23:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1095 transitions. [2021-11-22 16:23:08,087 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8568075117370892 [2021-11-22 16:23:08,087 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1095 transitions. [2021-11-22 16:23:08,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1095 transitions. [2021-11-22 16:23:08,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:08,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1095 transitions. [2021-11-22 16:23:08,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.5) internal successors, (1095), 6 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,096 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,097 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 213.0) internal successors, (1491), 7 states have internal predecessors, (1491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,098 INFO L186 Difference]: Start difference. First operand has 213 places, 216 transitions, 676 flow. Second operand 6 states and 1095 transitions. [2021-11-22 16:23:08,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 240 transitions, 928 flow [2021-11-22 16:23:08,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 240 transitions, 907 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-11-22 16:23:08,110 INFO L242 Difference]: Finished difference. Result has 220 places, 221 transitions, 764 flow [2021-11-22 16:23:08,111 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=764, PETRI_PLACES=220, PETRI_TRANSITIONS=221} [2021-11-22 16:23:08,112 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 28 predicate places. [2021-11-22 16:23:08,112 INFO L470 AbstractCegarLoop]: Abstraction has has 220 places, 221 transitions, 764 flow [2021-11-22 16:23:08,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 175.33333333333334) internal successors, (1052), 6 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,113 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:08,113 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] [2021-11-22 16:23:08,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 16:23:08,114 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:08,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash 821003656, now seen corresponding path program 1 times [2021-11-22 16:23:08,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:08,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899495974] [2021-11-22 16:23:08,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:08,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:08,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:08,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899495974] [2021-11-22 16:23:08,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899495974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:08,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:08,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:23:08,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124269739] [2021-11-22 16:23:08,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:08,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:23:08,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:08,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:23:08,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:23:08,255 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 213 [2021-11-22 16:23:08,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 221 transitions, 764 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:08,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 213 [2021-11-22 16:23:08,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:08,549 INFO L129 PetriNetUnfolder]: 120/1433 cut-off events. [2021-11-22 16:23:08,550 INFO L130 PetriNetUnfolder]: For 997/1034 co-relation queries the response was YES. [2021-11-22 16:23:08,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2346 conditions, 1433 events. 120/1433 cut-off events. For 997/1034 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 8226 event pairs, 18 based on Foata normal form. 26/1348 useless extension candidates. Maximal degree in co-relation 2326. Up to 168 conditions per place. [2021-11-22 16:23:08,566 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 44 selfloop transitions, 11 changer transitions 0/233 dead transitions. [2021-11-22 16:23:08,567 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 233 transitions, 948 flow [2021-11-22 16:23:08,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:23:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-22 16:23:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 762 transitions. [2021-11-22 16:23:08,570 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8943661971830986 [2021-11-22 16:23:08,570 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 762 transitions. [2021-11-22 16:23:08,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 762 transitions. [2021-11-22 16:23:08,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:08,571 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 762 transitions. [2021-11-22 16:23:08,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.5) internal successors, (762), 4 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,578 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,578 INFO L186 Difference]: Start difference. First operand has 220 places, 221 transitions, 764 flow. Second operand 4 states and 762 transitions. [2021-11-22 16:23:08,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 233 transitions, 948 flow [2021-11-22 16:23:08,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 924 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-11-22 16:23:08,590 INFO L242 Difference]: Finished difference. Result has 221 places, 225 transitions, 819 flow [2021-11-22 16:23:08,591 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=742, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=819, PETRI_PLACES=221, PETRI_TRANSITIONS=225} [2021-11-22 16:23:08,593 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 29 predicate places. [2021-11-22 16:23:08,594 INFO L470 AbstractCegarLoop]: Abstraction has has 221 places, 225 transitions, 819 flow [2021-11-22 16:23:08,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,595 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:08,595 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] [2021-11-22 16:23:08,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:23:08,595 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1158527802, now seen corresponding path program 2 times [2021-11-22 16:23:08,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:08,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116917346] [2021-11-22 16:23:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:08,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:08,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:08,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:08,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116917346] [2021-11-22 16:23:08,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116917346] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:08,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:23:08,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:23:08,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29417343] [2021-11-22 16:23:08,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:08,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:23:08,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:08,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:23:08,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:23:08,706 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 213 [2021-11-22 16:23:08,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 225 transitions, 819 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:08,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:08,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 213 [2021-11-22 16:23:08,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:08,989 INFO L129 PetriNetUnfolder]: 114/1268 cut-off events. [2021-11-22 16:23:08,989 INFO L130 PetriNetUnfolder]: For 1107/1146 co-relation queries the response was YES. [2021-11-22 16:23:08,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2154 conditions, 1268 events. 114/1268 cut-off events. For 1107/1146 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6752 event pairs, 19 based on Foata normal form. 27/1198 useless extension candidates. Maximal degree in co-relation 2133. Up to 134 conditions per place. [2021-11-22 16:23:09,005 INFO L132 encePairwiseOnDemand]: 207/213 looper letters, 41 selfloop transitions, 16 changer transitions 1/236 dead transitions. [2021-11-22 16:23:09,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 236 transitions, 993 flow [2021-11-22 16:23:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:23:09,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-22 16:23:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 946 transitions. [2021-11-22 16:23:09,010 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.888262910798122 [2021-11-22 16:23:09,010 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 946 transitions. [2021-11-22 16:23:09,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 946 transitions. [2021-11-22 16:23:09,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:09,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 946 transitions. [2021-11-22 16:23:09,014 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 189.2) internal successors, (946), 5 states have internal predecessors, (946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:09,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:09,018 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 213.0) internal successors, (1278), 6 states have internal predecessors, (1278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:09,018 INFO L186 Difference]: Start difference. First operand has 221 places, 225 transitions, 819 flow. Second operand 5 states and 946 transitions. [2021-11-22 16:23:09,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 236 transitions, 993 flow [2021-11-22 16:23:09,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 236 transitions, 985 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-11-22 16:23:09,030 INFO L242 Difference]: Finished difference. Result has 226 places, 227 transitions, 882 flow [2021-11-22 16:23:09,031 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=811, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=882, PETRI_PLACES=226, PETRI_TRANSITIONS=227} [2021-11-22 16:23:09,032 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 34 predicate places. [2021-11-22 16:23:09,032 INFO L470 AbstractCegarLoop]: Abstraction has has 226 places, 227 transitions, 882 flow [2021-11-22 16:23:09,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:09,034 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:09,035 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] [2021-11-22 16:23:09,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 16:23:09,035 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:09,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:09,036 INFO L85 PathProgramCache]: Analyzing trace with hash 602524158, now seen corresponding path program 3 times [2021-11-22 16:23:09,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:09,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167969748] [2021-11-22 16:23:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:09,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:09,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:09,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167969748] [2021-11-22 16:23:09,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167969748] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:23:09,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482387459] [2021-11-22 16:23:09,207 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-22 16:23:09,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:09,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:23:09,213 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:23:09,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 16:23:09,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-22 16:23:09,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:23:09,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-22 16:23:09,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:23:10,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:10,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 16:23:10,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482387459] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:23:10,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:23:10,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-11-22 16:23:10,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102088604] [2021-11-22 16:23:10,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:23:10,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:23:10,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:10,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:23:10,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:23:10,044 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 213 [2021-11-22 16:23:10,045 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 227 transitions, 882 flow. Second operand has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:10,046 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:10,046 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 213 [2021-11-22 16:23:10,046 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:10,290 INFO L129 PetriNetUnfolder]: 109/1169 cut-off events. [2021-11-22 16:23:10,290 INFO L130 PetriNetUnfolder]: For 1278/1318 co-relation queries the response was YES. [2021-11-22 16:23:10,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2116 conditions, 1169 events. 109/1169 cut-off events. For 1278/1318 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6154 event pairs, 14 based on Foata normal form. 22/1103 useless extension candidates. Maximal degree in co-relation 2093. Up to 135 conditions per place. [2021-11-22 16:23:10,304 INFO L132 encePairwiseOnDemand]: 208/213 looper letters, 37 selfloop transitions, 20 changer transitions 2/237 dead transitions. [2021-11-22 16:23:10,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 237 transitions, 1059 flow [2021-11-22 16:23:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:23:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-11-22 16:23:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 763 transitions. [2021-11-22 16:23:10,308 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2021-11-22 16:23:10,308 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 763 transitions. [2021-11-22 16:23:10,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 763 transitions. [2021-11-22 16:23:10,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:23:10,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 763 transitions. [2021-11-22 16:23:10,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.75) internal successors, (763), 4 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:10,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:10,314 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:10,314 INFO L186 Difference]: Start difference. First operand has 226 places, 227 transitions, 882 flow. Second operand 4 states and 763 transitions. [2021-11-22 16:23:10,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 237 transitions, 1059 flow [2021-11-22 16:23:10,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 237 transitions, 1030 flow, removed 6 selfloop flow, removed 2 redundant places. [2021-11-22 16:23:10,327 INFO L242 Difference]: Finished difference. Result has 228 places, 228 transitions, 915 flow [2021-11-22 16:23:10,328 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=915, PETRI_PLACES=228, PETRI_TRANSITIONS=228} [2021-11-22 16:23:10,328 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 36 predicate places. [2021-11-22 16:23:10,328 INFO L470 AbstractCegarLoop]: Abstraction has has 228 places, 228 transitions, 915 flow [2021-11-22 16:23:10,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 186.75) internal successors, (747), 4 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:10,329 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:23:10,329 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] [2021-11-22 16:23:10,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 16:23:10,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-22 16:23:10,557 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:23:10,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:23:10,558 INFO L85 PathProgramCache]: Analyzing trace with hash 109532757, now seen corresponding path program 1 times [2021-11-22 16:23:10,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:23:10,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465300185] [2021-11-22 16:23:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:10,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:23:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:23:10,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:23:10,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465300185] [2021-11-22 16:23:10,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465300185] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:23:10,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633563223] [2021-11-22 16:23:10,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:23:10,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:23:10,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:23:10,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:23:11,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 16:23:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:23:11,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 16:23:11,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:23:11,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 16:23:11,503 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-22 16:23:11,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-22 16:23:12,439 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-22 16:23:12,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 16:23:13,221 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-22 16:23:13,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 16 [2021-11-22 16:23:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:23:13,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:23:14,730 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 16:23:14,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 54 [2021-11-22 16:23:17,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2021-11-22 16:23:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:23:17,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633563223] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:23:17,549 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:23:17,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 25, 25] total 50 [2021-11-22 16:23:17,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430226996] [2021-11-22 16:23:17,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:23:17,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2021-11-22 16:23:17,551 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:23:17,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-11-22 16:23:17,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=2289, Unknown=0, NotChecked=0, Total=2450 [2021-11-22 16:23:17,560 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 213 [2021-11-22 16:23:17,566 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 228 transitions, 915 flow. Second operand has 50 states, 50 states have (on average 86.6) internal successors, (4330), 50 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:23:17,566 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:23:17,567 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 213 [2021-11-22 16:23:17,567 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:23:23,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:23:56,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:23:59,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:24:11,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:24:30,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:24:34,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 16:24:47,416 INFO L129 PetriNetUnfolder]: 22131/47966 cut-off events. [2021-11-22 16:24:47,417 INFO L130 PetriNetUnfolder]: For 46502/46741 co-relation queries the response was YES. [2021-11-22 16:24:47,663 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108502 conditions, 47966 events. 22131/47966 cut-off events. For 46502/46741 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 432611 event pairs, 751 based on Foata normal form. 698/45938 useless extension candidates. Maximal degree in co-relation 108478. Up to 7338 conditions per place. [2021-11-22 16:24:47,894 INFO L132 encePairwiseOnDemand]: 140/213 looper letters, 1980 selfloop transitions, 790 changer transitions 518/3367 dead transitions. [2021-11-22 16:24:47,894 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 3367 transitions, 17127 flow [2021-11-22 16:24:47,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2021-11-22 16:24:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2021-11-22 16:24:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 25444 transitions. [2021-11-22 16:24:47,974 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.43438326931284676 [2021-11-22 16:24:47,975 INFO L72 ComplementDD]: Start complementDD. Operand 275 states and 25444 transitions. [2021-11-22 16:24:47,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 25444 transitions. [2021-11-22 16:24:47,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:24:47,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 275 states and 25444 transitions. [2021-11-22 16:24:48,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 276 states, 275 states have (on average 92.52363636363637) internal successors, (25444), 275 states have internal predecessors, (25444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:24:48,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 276 states, 276 states have (on average 213.0) internal successors, (58788), 276 states have internal predecessors, (58788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:24:48,219 INFO L81 ComplementDD]: Finished complementDD. Result has 276 states, 276 states have (on average 213.0) internal successors, (58788), 276 states have internal predecessors, (58788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:24:48,220 INFO L186 Difference]: Start difference. First operand has 228 places, 228 transitions, 915 flow. Second operand 275 states and 25444 transitions. [2021-11-22 16:24:48,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 501 places, 3367 transitions, 17127 flow [2021-11-22 16:24:48,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 498 places, 3367 transitions, 16909 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-11-22 16:24:48,356 INFO L242 Difference]: Finished difference. Result has 698 places, 1016 transitions, 7904 flow [2021-11-22 16:24:48,357 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=224, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=275, PETRI_FLOW=7904, PETRI_PLACES=698, PETRI_TRANSITIONS=1016} [2021-11-22 16:24:48,358 INFO L334 CegarLoopForPetriNet]: 192 programPoint places, 506 predicate places. [2021-11-22 16:24:48,359 INFO L470 AbstractCegarLoop]: Abstraction has has 698 places, 1016 transitions, 7904 flow [2021-11-22 16:24:48,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 86.6) internal successors, (4330), 50 states have internal predecessors, (4330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:24:48,360 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-22 16:24:48,361 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:24:48,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 16:24:48,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-22 16:24:48,577 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-22 16:24:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:24:48,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1942425240, now seen corresponding path program 2 times [2021-11-22 16:24:48,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:24:48,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430138819] [2021-11-22 16:24:48,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:24:48,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:24:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:26:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 16:26:44,681 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:26:44,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430138819] [2021-11-22 16:26:44,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430138819] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:26:44,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447872278] [2021-11-22 16:26:44,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 16:26:44,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:26:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:26:44,683 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:26:44,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb5b8fe6-b134-4ac1-bd34-7dfa58ddfbd3/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 16:26:44,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 16:26:44,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 16:26:44,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-22 16:26:44,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:26:47,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-22 16:26:50,841 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-22 16:26:50,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-22 16:26:53,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-22 16:27:00,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-22 16:27:00,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-22 16:27:14,651 INFO L354 Elim1Store]: treesize reduction 13, result has 18.8 percent of original size [2021-11-22 16:27:14,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2021-11-22 16:27:25,539 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 16:27:25,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:28:32,044 INFO L354 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-11-22 16:28:32,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57298 treesize of output 53209 [2021-11-22 16:28:35,001 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-22 16:28:35,001 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-22 16:28:35,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2021-11-22 16:28:35,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688420378] [2021-11-22 16:28:35,002 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-22 16:28:35,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-22 16:28:35,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:28:35,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-22 16:28:35,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=4193, Unknown=62, NotChecked=0, Total=4556 [2021-11-22 16:28:35,011 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 213 [2021-11-22 16:28:35,015 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 698 places, 1016 transitions, 7904 flow. Second operand has 24 states, 24 states have (on average 145.25) internal successors, (3486), 24 states have internal predecessors, (3486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:28:35,015 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-22 16:28:35,015 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 213 [2021-11-22 16:28:35,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-22 16:28:38,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:28:41,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:28:43,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:28:47,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:01,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:03,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:05,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:25,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:27,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:29,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:31,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:34,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:36,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:47,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:29:50,105 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse6 (div c_~n~0 4294967296)) (.cse9 (div |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296))) (let ((.cse4 (+ (* 5 .cse6) .cse9 1)) (.cse2 (div (* c_~n~0 5) 4294967296))) (let ((.cse1 (* |c_thread1Thread1of1ForFork0_~i~0#1| 858993459)) (.cse10 (* .cse2 3689348818177884160)) (.cse3 (* .cse6 4294967296)) (.cse11 (* c_~n~0 (- 4294967301))) (.cse5 (* 5 c_~n~0)) (.cse7 (< .cse2 .cse4))) (and (or (let ((.cse0 (div (+ (* |c_thread1Thread1of1ForFork0_~i~0#1| (- 858993459)) (* .cse2 4294967296) .cse3 5153960755 (* c_~n~0 (- 6))) 4294967296))) (<= (+ |c_thread1Thread1of1ForFork0_~i~0#1| (* 4 .cse0)) (+ (div (+ (- 858993459) .cse1 (* .cse0 (- 4294967296))) 4294967296) 1))) (<= .cse4 .cse2)) (or (<= .cse5 (+ (* 21474836480 .cse6) |c_thread1Thread1of1ForFork0_~i~0#1| 4294967289)) .cse7) (= |c_thread2Thread1of1ForFork1_#t~post4#1| 0) (let ((.cse8 (div (+ 6012954214 (* .cse9 (- 3689348813882916864)) .cse10 .cse3 .cse11) 4294967296))) (<= (+ (* 4 .cse8) |c_thread1Thread1of1ForFork0_~i~0#1|) (+ (div (+ (* .cse8 (- 4294967296)) (- 858993459) .cse1) 4294967296) 1))) (<= (+ (* 4294967296 (div (let ((.cse12 (div (+ 6012954214 .cse10 .cse3 .cse11) 4294967296))) (+ (* .cse6 (- 5)) .cse2 |c_thread1Thread1of1ForFork0_#t~post2#1| 3435973835 (* .cse12 4) (* (div (+ (* .cse12 (- 4294967296)) (- 858993459) (* |c_thread1Thread1of1ForFork0_#t~post2#1| 858993459)) 4294967296) (- 1)))) 3435973837)) 1) |c_thread1Thread1of1ForFork0_#t~post2#1|) (<= .cse9 0) (= |c_thread2Thread1of1ForFork1_~i~1#1| 0) (<= 1 |c_thread1Thread1of1ForFork0_~i~0#1|) (<= (+ |c_thread1Thread1of1ForFork0_~i~0#1| (* 4294967296 .cse2) 1) (+ (* 4294967296 .cse9) .cse5)) (<= c_~n~0 (+ (* 4294967296 .cse6) 858993458)) .cse7)))) is different from false [2021-11-22 16:30:02,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:05,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:07,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:09,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:10,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:44,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:46,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:48,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:49,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:51,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:53,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:55,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:30:58,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:31:00,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:31:02,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:31:22,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:31:59,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:02,074 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (div (* c_~n~0 5) 4294967296)) (.cse7 (div c_~n~0 4294967296))) (let ((.cse3 (* |c_thread1Thread1of1ForFork0_#t~post2#1| 858993459)) (.cse0 (* .cse7 (- 5))) (.cse4 (* .cse1 3689348818177884160)) (.cse5 (* .cse7 4294967296)) (.cse6 (* c_~n~0 (- 4294967301)))) (and (<= (+ (* 4294967296 (div (let ((.cse2 (div (+ |c_thread2Thread1of1ForFork1_#t~post6#1| 6012954213 .cse4 .cse5 .cse6) 4294967296))) (+ .cse0 .cse1 |c_thread1Thread1of1ForFork0_#t~post2#1| 3435973835 (* .cse2 4) (* (div (+ (* |c_thread2Thread1of1ForFork1_#t~post6#1| (- 858993459)) .cse3 (* .cse2 (- 4294967296))) 4294967296) (- 1)))) 3435973837)) 1) |c_thread1Thread1of1ForFork0_#t~post2#1|) (<= c_~n~0 (+ (* 4294967296 .cse7) 858993458)) (<= (+ (* 4294967296 (div (let ((.cse8 (div (+ 6012954213 .cse4 |c_thread2Thread1of1ForFork1_~i~1#1| .cse5 .cse6) 4294967296))) (+ (* (div (+ (* |c_thread2Thread1of1ForFork1_~i~1#1| (- 858993459)) .cse3 (* .cse8 (- 4294967296))) 4294967296) (- 1)) .cse0 .cse1 (* .cse8 4) |c_thread1Thread1of1ForFork0_#t~post2#1| 3435973835)) 3435973837)) 1) |c_thread1Thread1of1ForFork0_#t~post2#1|) (<= 1 |c_thread2Thread1of1ForFork1_~i~1#1|) (<= 1 |c_thread2Thread1of1ForFork1_#t~post6#1|)))) is different from false [2021-11-22 16:32:03,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:05,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:07,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:09,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:12,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:38,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:40,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:42,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:44,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:48,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:50,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:52,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:54,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:56,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:32:58,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:01,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:05,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:07,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:45,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:47,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:50,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:51,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:53,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:33:55,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:23,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:25,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:27,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:30,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:32,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:34:35,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:35:11,741 WARN L227 SmtUtils]: Spent 15.92s on a formula simplification. DAG size of input: 75 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 16:35:13,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:35:15,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:35:17,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:35:19,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:08,164 WARN L227 SmtUtils]: Spent 24.86s on a formula simplification. DAG size of input: 92 DAG size of output: 88 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 16:36:11,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:12,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:14,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:17,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:19,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:21,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:23,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:25,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:27,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:29,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:32,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 16:36:35,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []