./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 546425dfb0e9d0673715f309b3c99445cd7a29ebb128e47cf94e5f13217a2c6c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:52:48,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:48,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:48,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:48,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:48,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:48,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:48,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:48,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:48,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:48,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:48,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:48,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:48,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:48,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:48,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:48,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:48,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:48,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:48,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:48,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:48,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:48,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:48,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:48,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:48,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:48,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:48,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:48,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:48,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:48,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:48,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:48,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:48,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:48,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:48,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:48,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:48,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:48,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:48,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:48,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:48,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:48,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:48,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:48,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:48,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:48,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:48,850 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:48,850 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:48,851 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:48,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:48,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:48,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:48,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:48,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:48,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:48,854 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:48,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:48,854 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:48,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:48,855 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:48,855 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:48,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:48,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:48,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:48,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:48,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:48,857 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:48,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:48,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:48,858 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_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 546425dfb0e9d0673715f309b3c99445cd7a29ebb128e47cf94e5f13217a2c6c [2022-10-17 16:52:49,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:49,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:49,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:49,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:49,181 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:49,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c [2022-10-17 16:52:49,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/data/884538035/d69f674b19974317aab02a4ad7317d5a/FLAGcd66e33a1 [2022-10-17 16:52:50,182 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:50,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c [2022-10-17 16:52:50,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/data/884538035/d69f674b19974317aab02a4ad7317d5a/FLAGcd66e33a1 [2022-10-17 16:52:50,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/data/884538035/d69f674b19974317aab02a4ad7317d5a [2022-10-17 16:52:50,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:50,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:50,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:50,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:50,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:50,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:50" (1/1) ... [2022-10-17 16:52:50,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2457b614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:50, skipping insertion in model container [2022-10-17 16:52:50,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:50" (1/1) ... [2022-10-17 16:52:50,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:50,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:53,270 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_3251b177-64dc-4ac4-8ad0-8144df37b43d/sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c[380323,380336] [2022-10-17 16:52:53,304 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_3251b177-64dc-4ac4-8ad0-8144df37b43d/sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c[383339,383352] [2022-10-17 16:52:53,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:53,556 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:54,755 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_3251b177-64dc-4ac4-8ad0-8144df37b43d/sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c[380323,380336] [2022-10-17 16:52:54,761 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_3251b177-64dc-4ac4-8ad0-8144df37b43d/sv-benchmarks/c/combinations/Problem05_label45+token_ring.04.cil-2.c[383339,383352] [2022-10-17 16:52:54,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:54,851 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:54,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54 WrapperNode [2022-10-17 16:52:54,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:54,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:54,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:54,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:54,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,345 INFO L138 Inliner]: procedures = 52, calls = 54, calls flagged for inlining = 29, calls inlined = 29, statements flattened = 12740 [2022-10-17 16:52:55,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:55,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:55,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:55,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:55,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:55,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:55,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:55,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:55,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:55,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:55,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:55,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:56,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3251b177-64dc-4ac4-8ad0-8144df37b43d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-17 16:52:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-17 16:52:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:52:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:52:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-17 16:52:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-17 16:52:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-17 16:52:56,043 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-17 16:52:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-17 16:52:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-17 16:52:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-17 16:52:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-17 16:52:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-17 16:52:56,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-17 16:52:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:56,212 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:56,229 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:04,801 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:06,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:06,855 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:53:06,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:06 BoogieIcfgContainer [2022-10-17 16:53:06,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:06,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:06,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:06,872 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:06,873 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:06" (1/1) ... [2022-10-17 16:53:06,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:06,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:06,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 1749 states and 3431 transitions. [2022-10-17 16:53:06,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 3431 transitions. [2022-10-17 16:53:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:06,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1762 states and 3455 transitions. [2022-10-17 16:53:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3455 transitions. [2022-10-17 16:53:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:07,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:07,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:07,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1763 states and 3455 transitions. [2022-10-17 16:53:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3455 transitions. [2022-10-17 16:53:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:07,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:07,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1764 states and 3455 transitions. [2022-10-17 16:53:08,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3455 transitions. [2022-10-17 16:53:08,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1765 states and 3455 transitions. [2022-10-17 16:53:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3455 transitions. [2022-10-17 16:53:08,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3462 states to 1766 states and 3455 transitions. [2022-10-17 16:53:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 3455 transitions. [2022-10-17 16:53:08,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 1775 states and 3472 transitions. [2022-10-17 16:53:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 3472 transitions. [2022-10-17 16:53:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 1776 states and 3472 transitions. [2022-10-17 16:53:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3472 transitions. [2022-10-17 16:53:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:08,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3486 states to 1777 states and 3472 transitions. [2022-10-17 16:53:08,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3472 transitions. [2022-10-17 16:53:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:08,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:09,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1782 states and 3483 transitions. [2022-10-17 16:53:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 3483 transitions. [2022-10-17 16:53:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:09,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1783 states and 3483 transitions. [2022-10-17 16:53:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3483 transitions. [2022-10-17 16:53:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:53:09,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:09,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 1791 states and 3498 transitions. [2022-10-17 16:53:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 3498 transitions. [2022-10-17 16:53:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:53:09,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 1810 states and 3537 transitions. [2022-10-17 16:53:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 3537 transitions. [2022-10-17 16:53:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:53:10,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:53:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3586 states to 1812 states and 3542 transitions. [2022-10-17 16:53:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 3542 transitions. [2022-10-17 16:53:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:53:11,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:53:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 1823 states and 3565 transitions. [2022-10-17 16:53:12,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 3565 transitions. [2022-10-17 16:53:12,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:12,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:12,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:53:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 1824 states and 3566 transitions. [2022-10-17 16:53:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 3566 transitions. [2022-10-17 16:53:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:13,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:53:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 1825 states and 3567 transitions. [2022-10-17 16:53:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 3567 transitions. [2022-10-17 16:53:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:13,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:53:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:16,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1846 states and 3613 transitions. [2022-10-17 16:53:16,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3613 transitions. [2022-10-17 16:53:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:16,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:16,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:53:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 1848 states and 3618 transitions. [2022-10-17 16:53:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3618 transitions. [2022-10-17 16:53:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:16,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:53:17,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 1849 states and 3619 transitions. [2022-10-17 16:53:17,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3619 transitions. [2022-10-17 16:53:17,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:53:17,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.