./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/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 8ff0a322ea14915785d13405f40f59a899d91f6127d01ad0d503cb7ec027b40c --- 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 16:30:27,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:27,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:27,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:27,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:27,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:27,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:27,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:27,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:27,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:27,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:27,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:27,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:27,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:27,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:27,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:27,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:27,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:27,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:27,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:27,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:27,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:27,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:27,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:27,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:27,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:27,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:27,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:27,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:27,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:27,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:27,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:27,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:27,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:27,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:27,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:27,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:27,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:27,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:27,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:27,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:27,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:27,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:27,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:27,835 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:27,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:27,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:27,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:27,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:27,837 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:27,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:27,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:27,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:27,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:27,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:27,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:27,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:27,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:27,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:27,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:27,840 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:27,841 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:27,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:27,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:27,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:27,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:27,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:27,842 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:27,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:27,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:27,843 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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ff0a322ea14915785d13405f40f59a899d91f6127d01ad0d503cb7ec027b40c [2022-10-17 16:30:28,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:28,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:28,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:28,222 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:28,224 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:28,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c [2022-10-17 16:30:28,332 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/data/525e519dc/b3497645e3c44a858e4f4f9e47c98e55/FLAGb7d84e93a [2022-10-17 16:30:28,923 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:28,924 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c [2022-10-17 16:30:28,953 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/data/525e519dc/b3497645e3c44a858e4f4f9e47c98e55/FLAGb7d84e93a [2022-10-17 16:30:29,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/data/525e519dc/b3497645e3c44a858e4f4f9e47c98e55 [2022-10-17 16:30:29,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:29,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:29,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:29,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:29,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:29,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:29,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edfd694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29, skipping insertion in model container [2022-10-17 16:30:29,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:29,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:29,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:29,600 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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c[911,924] [2022-10-17 16:30:29,704 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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c[8416,8429] [2022-10-17 16:30:29,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:29,786 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:29,811 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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c[911,924] [2022-10-17 16:30:29,881 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_c8e2853c-2e3f-4809-97a2-739ef95b30e7/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.01.cil-1.c[8416,8429] [2022-10-17 16:30:29,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:29,933 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:29,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29 WrapperNode [2022-10-17 16:30:29,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:29,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:29,935 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:29,935 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:29,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:29,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,011 INFO L138 Inliner]: procedures = 57, calls = 64, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 440 [2022-10-17 16:30:30,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:30,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:30,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:30,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:30,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,060 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:30,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:30,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:30,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:30,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:29" (1/1) ... [2022-10-17 16:30:30,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:30,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:30,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:30,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8e2853c-2e3f-4809-97a2-739ef95b30e7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:30,188 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-17 16:30:30,188 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-17 16:30:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2022-10-17 16:30:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2022-10-17 16:30:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2022-10-17 16:30:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2022-10-17 16:30:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2022-10-17 16:30:30,189 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2022-10-17 16:30:30,189 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2022-10-17 16:30:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2022-10-17 16:30:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2022-10-17 16:30:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2022-10-17 16:30:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2022-10-17 16:30:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2022-10-17 16:30:30,190 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2022-10-17 16:30:30,190 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2022-10-17 16:30:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2022-10-17 16:30:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2022-10-17 16:30:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2022-10-17 16:30:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2022-10-17 16:30:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2022-10-17 16:30:30,191 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2022-10-17 16:30:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:30,191 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2022-10-17 16:30:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2022-10-17 16:30:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2022-10-17 16:30:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2022-10-17 16:30:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:30,192 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2022-10-17 16:30:30,192 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2022-10-17 16:30:30,288 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:30,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:30,847 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2022-10-17 16:30:30,847 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 16:30:30,928 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:31,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:31,172 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 16:30:31,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:31 BoogieIcfgContainer [2022-10-17 16:30:31,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:31,176 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:31,177 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:31,188 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:31,189 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 146 states and 207 transitions. [2022-10-17 16:30:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 207 transitions. [2022-10-17 16:30:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:30:31,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:31,701 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 16:30:31,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 152 states and 217 transitions. [2022-10-17 16:30:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 217 transitions. [2022-10-17 16:30:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:30:31,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,005 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 16:30:32,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 160 states and 232 transitions. [2022-10-17 16:30:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 232 transitions. [2022-10-17 16:30:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:30:32,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:32,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,521 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 16:30:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 262 transitions. [2022-10-17 16:30:33,134 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 262 transitions. [2022-10-17 16:30:33,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:30:33,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:33,256 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 16:30:33,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 173 states and 263 transitions. [2022-10-17 16:30:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 263 transitions. [2022-10-17 16:30:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:30:33,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:33,486 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 16:30:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 261 transitions. [2022-10-17 16:30:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 261 transitions. [2022-10-17 16:30:33,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:30:33,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:33,739 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 16:30:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 266 transitions. [2022-10-17 16:30:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2022-10-17 16:30:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:30:33,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:33,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:33,955 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 16:30:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 175 states and 258 transitions. [2022-10-17 16:30:34,025 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 258 transitions. [2022-10-17 16:30:34,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:30:34,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,071 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 16:30:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 176 states and 260 transitions. [2022-10-17 16:30:34,090 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2022-10-17 16:30:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:30:34,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,155 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 16:30:34,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 182 states and 268 transitions. [2022-10-17 16:30:34,283 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 268 transitions. [2022-10-17 16:30:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:30:34,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,421 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 16:30:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 188 states and 279 transitions. [2022-10-17 16:30:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 279 transitions. [2022-10-17 16:30:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:30:34,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:34,801 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 16:30:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 189 states and 280 transitions. [2022-10-17 16:30:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 280 transitions. [2022-10-17 16:30:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:30:34,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:35,214 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 16:30:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 195 states and 291 transitions. [2022-10-17 16:30:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2022-10-17 16:30:36,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:30:36,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,061 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 16:30:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 205 states and 310 transitions. [2022-10-17 16:30:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 310 transitions. [2022-10-17 16:30:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:30:37,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,453 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 16:30:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 207 states and 314 transitions. [2022-10-17 16:30:37,479 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 314 transitions. [2022-10-17 16:30:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:30:37,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,515 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 16:30:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:37,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 207 states and 313 transitions. [2022-10-17 16:30:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 313 transitions. [2022-10-17 16:30:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:30:37,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:37,641 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 16:30:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 217 states and 332 transitions. [2022-10-17 16:30:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 332 transitions. [2022-10-17 16:30:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:30:38,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,110 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 16:30:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 220 states and 338 transitions. [2022-10-17 16:30:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 338 transitions. [2022-10-17 16:30:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:30:38,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:38,186 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 16:30:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 228 states and 351 transitions. [2022-10-17 16:30:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 351 transitions. [2022-10-17 16:30:38,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:30:38,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:39,265 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 16:30:42,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 241 states and 378 transitions. [2022-10-17 16:30:42,414 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 378 transitions. [2022-10-17 16:30:42,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:30:42,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,553 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 16:30:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:43,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 239 states and 369 transitions. [2022-10-17 16:30:43,220 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 369 transitions. [2022-10-17 16:30:43,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:30:43,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:30:43,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 241 states and 373 transitions. [2022-10-17 16:30:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 373 transitions. [2022-10-17 16:30:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:30:43,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:43,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 242 states and 375 transitions. [2022-10-17 16:30:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 375 transitions. [2022-10-17 16:30:44,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:30:44,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 243 states and 376 transitions. [2022-10-17 16:30:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 376 transitions. [2022-10-17 16:30:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:30:44,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:30:44,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 245 states and 379 transitions. [2022-10-17 16:30:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 379 transitions. [2022-10-17 16:30:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:30:44,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,653 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 16:30:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 248 states and 384 transitions. [2022-10-17 16:30:44,680 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 384 transitions. [2022-10-17 16:30:44,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:44,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:30:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 255 states and 397 transitions. [2022-10-17 16:30:45,324 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 397 transitions. [2022-10-17 16:30:45,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:45,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:30:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 260 states and 404 transitions. [2022-10-17 16:30:45,562 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 404 transitions. [2022-10-17 16:30:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:30:45,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 262 states and 407 transitions. [2022-10-17 16:30:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 407 transitions. [2022-10-17 16:30:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:45,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:30:47,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 272 states and 427 transitions. [2022-10-17 16:30:47,089 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 427 transitions. [2022-10-17 16:30:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:47,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:30:51,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:51,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 291 states and 472 transitions. [2022-10-17 16:30:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 472 transitions. [2022-10-17 16:30:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:30:51,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:30:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 288 states and 463 transitions. [2022-10-17 16:30:51,948 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 463 transitions. [2022-10-17 16:30:51,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:51,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:51,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:30:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 290 states and 470 transitions. [2022-10-17 16:30:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 470 transitions. [2022-10-17 16:30:52,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:52,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:30:54,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 296 states and 483 transitions. [2022-10-17 16:30:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 483 transitions. [2022-10-17 16:30:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:30:54,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:30:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 298 states and 488 transitions. [2022-10-17 16:30:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 488 transitions. [2022-10-17 16:30:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:30:54,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,852 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:30:54,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 299 states and 488 transitions. [2022-10-17 16:30:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 488 transitions. [2022-10-17 16:30:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:54,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 306 states and 504 transitions. [2022-10-17 16:30:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 504 transitions. [2022-10-17 16:30:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:30:55,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:30:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 306 states and 502 transitions. [2022-10-17 16:30:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 502 transitions. [2022-10-17 16:30:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:30:56,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:30:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 302 states and 492 transitions. [2022-10-17 16:30:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 492 transitions. [2022-10-17 16:30:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:30:56,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:57,081 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.