./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.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_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/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_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/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_1f15661e-29ab-4d69-9746-521685bf82f8/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 d9dd329404607c04c3b8409033c911abc5eb1af40daa0f8673d76c8f1e85e1ae --- 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 16:58:14,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:58:14,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:58:14,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:58:14,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:58:14,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:58:14,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:58:14,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:58:14,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:58:14,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:58:14,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:58:14,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:58:14,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:58:14,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:58:14,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:58:14,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:58:14,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:58:14,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:58:14,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:58:14,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:58:14,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:58:14,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:58:14,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:58:14,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:58:14,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:58:14,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:58:14,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:58:14,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:58:14,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:58:14,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:58:14,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:58:14,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:58:14,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:58:14,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:58:14,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:58:14,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:58:14,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:58:14,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:58:14,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:58:14,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:58:14,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:58:14,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:58:14,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:58:14,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:58:14,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:58:14,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:58:14,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:58:14,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:58:14,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:58:14,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:58:14,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:58:14,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:58:14,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:58:14,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:58:14,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:58:14,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:58:14,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:58:14,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:58:14,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:58:14,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:58:14,728 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:58:14,728 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:58:14,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:58:14,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:14,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:58:14,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:58:14,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:58:14,730 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:58:14,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:58:14,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:58:14,732 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_1f15661e-29ab-4d69-9746-521685bf82f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9dd329404607c04c3b8409033c911abc5eb1af40daa0f8673d76c8f1e85e1ae [2022-10-17 16:58:15,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:58:15,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:58:15,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:58:15,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:58:15,053 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:58:15,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c [2022-10-17 16:58:15,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/data/48f31fce7/83e0b2601c7c4c2eb91c9dd250288f21/FLAG8b65ecbfb [2022-10-17 16:58:15,559 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:58:15,560 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c [2022-10-17 16:58:15,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/data/48f31fce7/83e0b2601c7c4c2eb91c9dd250288f21/FLAG8b65ecbfb [2022-10-17 16:58:15,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/data/48f31fce7/83e0b2601c7c4c2eb91c9dd250288f21 [2022-10-17 16:58:15,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:58:15,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:58:15,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:15,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:58:15,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:58:15,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:15" (1/1) ... [2022-10-17 16:58:15,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bca212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:15, skipping insertion in model container [2022-10-17 16:58:15,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:58:15" (1/1) ... [2022-10-17 16:58:15,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:58:16,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:58:16,227 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_1f15661e-29ab-4d69-9746-521685bf82f8/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c[911,924] [2022-10-17 16:58:16,329 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_1f15661e-29ab-4d69-9746-521685bf82f8/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c[8416,8429] [2022-10-17 16:58:16,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:16,382 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:58:16,394 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_1f15661e-29ab-4d69-9746-521685bf82f8/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c[911,924] [2022-10-17 16:58:16,425 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_1f15661e-29ab-4d69-9746-521685bf82f8/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.02.cil-2.c[8416,8429] [2022-10-17 16:58:16,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:58:16,488 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:58:16,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16 WrapperNode [2022-10-17 16:58:16,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:58:16,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:16,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:58:16,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:58:16,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,575 INFO L138 Inliner]: procedures = 59, calls = 68, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 503 [2022-10-17 16:58:16,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:58:16,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:58:16,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:58:16,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:58:16,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,624 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:58:16,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:58:16,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:58:16,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:58:16,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:58:16" (1/1) ... [2022-10-17 16:58:16,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:58:16,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:58:16,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:58:16,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f15661e-29ab-4d69-9746-521685bf82f8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:58:16,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:58:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:58:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:58:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:58:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:58:16,754 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:58:16,754 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:58:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:58:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:58:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:58:16,755 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:58:16,755 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:58:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:58:16,756 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:58:16,756 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:58:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:58:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:58:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:58:16,757 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:58:16,757 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:58:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:58:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:58:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:58:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:58:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:58:16,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:58:16,758 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:58:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:58:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:58:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:58:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:58:16,759 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:58:16,759 INFO L130 BoogieDeclarations]: Found specification of procedure error2 [2022-10-17 16:58:16,760 INFO L138 BoogieDeclarations]: Found implementation of procedure error2 [2022-10-17 16:58:16,894 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:58:16,897 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:58:17,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2022-10-17 16:58:17,593 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2022-10-17 16:58:17,635 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:58:17,864 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:58:17,864 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:58:17,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:17 BoogieIcfgContainer [2022-10-17 16:58:17,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:58:17,869 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:58:17,869 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:58:17,880 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:58:17,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:58:17" (1/1) ... [2022-10-17 16:58:17,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:58:17,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 163 states and 235 transitions. [2022-10-17 16:58:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 235 transitions. [2022-10-17 16:58:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:17,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:17,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,489 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 16:58:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 249 transitions. [2022-10-17 16:58:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2022-10-17 16:58:18,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:18,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,718 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 16:58:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:18,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 172 states and 249 transitions. [2022-10-17 16:58:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 249 transitions. [2022-10-17 16:58:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:18,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:18,869 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 16:58:19,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 264 transitions. [2022-10-17 16:58:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 264 transitions. [2022-10-17 16:58:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:58:19,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,189 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 16:58:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 185 states and 269 transitions. [2022-10-17 16:58:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 269 transitions. [2022-10-17 16:58:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:19,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,464 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 16:58:19,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 191 states and 280 transitions. [2022-10-17 16:58:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 280 transitions. [2022-10-17 16:58:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:58:19,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:19,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:19,822 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 16:58:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 198 states and 293 transitions. [2022-10-17 16:58:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2022-10-17 16:58:20,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:58:20,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,351 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 16:58:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 211 states and 320 transitions. [2022-10-17 16:58:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 320 transitions. [2022-10-17 16:58:21,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:58:21,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:21,738 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 16:58:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 206 states and 304 transitions. [2022-10-17 16:58:21,947 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 304 transitions. [2022-10-17 16:58:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:21,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,036 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 16:58:22,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 216 states and 323 transitions. [2022-10-17 16:58:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2022-10-17 16:58:22,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:22,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,647 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 16:58:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 232 states and 359 transitions. [2022-10-17 16:58:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 359 transitions. [2022-10-17 16:58:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:23,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:23,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:24,042 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 16:58:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 238 states and 377 transitions. [2022-10-17 16:58:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 377 transitions. [2022-10-17 16:58:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:25,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:25,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:25,454 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 16:58:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 240 states and 379 transitions. [2022-10-17 16:58:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 379 transitions. [2022-10-17 16:58:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:26,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:26,178 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 16:58:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 240 states and 377 transitions. [2022-10-17 16:58:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 377 transitions. [2022-10-17 16:58:26,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:58:26,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:26,461 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 16:58:26,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 241 states and 379 transitions. [2022-10-17 16:58:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 379 transitions. [2022-10-17 16:58:26,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:26,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:26,631 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 16:58:26,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 239 states and 375 transitions. [2022-10-17 16:58:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 375 transitions. [2022-10-17 16:58:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:26,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:27,179 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 16:58:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 254 states and 413 transitions. [2022-10-17 16:58:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 413 transitions. [2022-10-17 16:58:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:30,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,090 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 16:58:30,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 256 states and 418 transitions. [2022-10-17 16:58:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 418 transitions. [2022-10-17 16:58:30,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:30,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,434 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 16:58:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 253 states and 410 transitions. [2022-10-17 16:58:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 410 transitions. [2022-10-17 16:58:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:30,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,623 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 16:58:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 255 states and 415 transitions. [2022-10-17 16:58:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 415 transitions. [2022-10-17 16:58:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:30,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:30,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:30,997 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 16:58:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 256 states and 417 transitions. [2022-10-17 16:58:31,125 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 417 transitions. [2022-10-17 16:58:31,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:58:31,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,159 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 16:58:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 259 states and 423 transitions. [2022-10-17 16:58:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 423 transitions. [2022-10-17 16:58:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:58:31,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,236 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 16:58:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 257 states and 418 transitions. [2022-10-17 16:58:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 418 transitions. [2022-10-17 16:58:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:58:31,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:31,921 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 16:58:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 274 states and 457 transitions. [2022-10-17 16:58:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 457 transitions. [2022-10-17 16:58:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:58:36,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:36,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:36,394 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 16:58:37,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 276 states and 463 transitions. [2022-10-17 16:58:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 463 transitions. [2022-10-17 16:58:37,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:58:37,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,190 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 16:58:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 273 states and 455 transitions. [2022-10-17 16:58:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 455 transitions. [2022-10-17 16:58:37,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:58:37,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:37,451 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 16:58:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 276 states and 463 transitions. [2022-10-17 16:58:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 463 transitions. [2022-10-17 16:58:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:58:38,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,327 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 16:58:38,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:38,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 284 states and 476 transitions. [2022-10-17 16:58:38,842 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 476 transitions. [2022-10-17 16:58:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:58:38,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:38,896 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 16:58:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 282 states and 472 transitions. [2022-10-17 16:58:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 472 transitions. [2022-10-17 16:58:39,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:58:39,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:39,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:39,140 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 16:58:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 286 states and 480 transitions. [2022-10-17 16:58:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 480 transitions. [2022-10-17 16:58:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:58:39,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:39,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:39,768 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 16:58:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 283 states and 471 transitions. [2022-10-17 16:58:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 471 transitions. [2022-10-17 16:58:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:58:39,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:39,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:58:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 283 states and 470 transitions. [2022-10-17 16:58:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 470 transitions. [2022-10-17 16:58:40,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:58:40,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,194 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 16:58:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 285 states and 474 transitions. [2022-10-17 16:58:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 474 transitions. [2022-10-17 16:58:40,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:58:40,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,280 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 16:58:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 287 states and 478 transitions. [2022-10-17 16:58:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 478 transitions. [2022-10-17 16:58:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:58:40,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,358 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 16:58:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:40,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 289 states and 482 transitions. [2022-10-17 16:58:40,388 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 482 transitions. [2022-10-17 16:58:40,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:58:40,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:40,536 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 16:58:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 299 states and 499 transitions. [2022-10-17 16:58:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 499 transitions. [2022-10-17 16:58:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:58:41,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.