./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label55.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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/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 892d3c9e0b7c167d810581087b0633fb7bb5cd8a7fe1ab934154adc1945085ff --- 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 16:49:33,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:33,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:34,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:34,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:34,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:34,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:34,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:34,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:34,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:34,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:34,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:34,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:34,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:34,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:34,050 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:34,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:34,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:34,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:34,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:34,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:34,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:34,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:34,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:34,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:34,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:34,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:34,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:34,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:34,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:34,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:34,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:34,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:34,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:34,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:34,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:34,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:34,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:34,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:34,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:34,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:34,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:34,138 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:34,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:34,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:34,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:34,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:34,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:34,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:34,142 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:34,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:34,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:34,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:34,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:34,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:34,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:34,144 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:34,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:34,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:34,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:34,145 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:34,145 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:34,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:34,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:34,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:34,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:34,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:34,147 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:34,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:34,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:34,147 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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 892d3c9e0b7c167d810581087b0633fb7bb5cd8a7fe1ab934154adc1945085ff [2022-10-17 16:49:34,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:34,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:34,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:34,482 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:34,484 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:34,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label55.c [2022-10-17 16:49:34,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/data/07930759d/a3f65976043641ffb1819120782c32e8/FLAG3d9d0a630 [2022-10-17 16:49:35,195 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:35,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/sv-benchmarks/c/eca-rers2012/Problem03_label55.c [2022-10-17 16:49:35,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/data/07930759d/a3f65976043641ffb1819120782c32e8/FLAG3d9d0a630 [2022-10-17 16:49:35,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/data/07930759d/a3f65976043641ffb1819120782c32e8 [2022-10-17 16:49:35,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:35,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:35,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:35,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:35,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:35,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2c9e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:35, skipping insertion in model container [2022-10-17 16:49:35,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:35" (1/1) ... [2022-10-17 16:49:35,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:35,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:36,202 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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/sv-benchmarks/c/eca-rers2012/Problem03_label55.c[56086,56099] [2022-10-17 16:49:36,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:36,243 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:36,517 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_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/sv-benchmarks/c/eca-rers2012/Problem03_label55.c[56086,56099] [2022-10-17 16:49:36,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:36,568 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:36,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36 WrapperNode [2022-10-17 16:49:36,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:36,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:36,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:36,572 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:36,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,743 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:49:36,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:36,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:36,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:36,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:36,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:36,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:36,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:36,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:36,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:36" (1/1) ... [2022-10-17 16:49:36,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:36,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:36,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:36,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2d2e7c9-fb79-4a97-8a52-7d51f8fd4851/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:37,081 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:37,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:39,278 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:39,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:39,669 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:39,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:39 BoogieIcfgContainer [2022-10-17 16:49:39,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:39,674 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:39,674 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:39,685 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:39,685 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:49:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:49:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:49:39,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,064 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 16:49:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 289 states and 547 transitions. [2022-10-17 16:49:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 547 transitions. [2022-10-17 16:49:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:49:42,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 292 states and 552 transitions. [2022-10-17 16:49:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 552 transitions. [2022-10-17 16:49:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-17 16:49:42,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 296 states and 559 transitions. [2022-10-17 16:49:43,205 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 559 transitions. [2022-10-17 16:49:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-17 16:49:43,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:43,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 301 states and 568 transitions. [2022-10-17 16:49:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 568 transitions. [2022-10-17 16:49:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:49:43,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 449 states and 803 transitions. [2022-10-17 16:49:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 803 transitions. [2022-10-17 16:49:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:49:46,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:46,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:47,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:47,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 456 states and 816 transitions. [2022-10-17 16:49:47,073 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 816 transitions. [2022-10-17 16:49:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-10-17 16:49:47,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 464 states and 832 transitions. [2022-10-17 16:49:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 832 transitions. [2022-10-17 16:49:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-17 16:49:48,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:48,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 473 states and 849 transitions. [2022-10-17 16:49:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 849 transitions. [2022-10-17 16:49:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:49:49,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:49,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 477 states and 863 transitions. [2022-10-17 16:49:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 863 transitions. [2022-10-17 16:49:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:49:50,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:50,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 480 states and 867 transitions. [2022-10-17 16:49:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 867 transitions. [2022-10-17 16:49:50,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:49:50,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:51,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 485 states and 875 transitions. [2022-10-17 16:49:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 875 transitions. [2022-10-17 16:49:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:49:51,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:51,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 486 states and 882 transitions. [2022-10-17 16:49:51,995 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 882 transitions. [2022-10-17 16:49:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:49:51,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:51,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 489 states and 885 transitions. [2022-10-17 16:49:52,510 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 885 transitions. [2022-10-17 16:49:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:49:52,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 490 states and 886 transitions. [2022-10-17 16:49:52,879 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 886 transitions. [2022-10-17 16:49:52,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:49:52,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 493 states and 891 transitions. [2022-10-17 16:49:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 891 transitions. [2022-10-17 16:49:53,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-10-17 16:49:53,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:54,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 502 states and 905 transitions. [2022-10-17 16:49:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 905 transitions. [2022-10-17 16:49:54,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:49:54,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:49:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 644 states and 1086 transitions. [2022-10-17 16:49:56,232 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1086 transitions. [2022-10-17 16:49:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:49:56,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:49:57,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 650 states and 1110 transitions. [2022-10-17 16:49:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1110 transitions. [2022-10-17 16:49:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:49:57,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:57,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:49:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 660 states and 1137 transitions. [2022-10-17 16:49:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1137 transitions. [2022-10-17 16:49:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:49:58,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:49:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 669 states and 1157 transitions. [2022-10-17 16:49:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1157 transitions. [2022-10-17 16:49:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:49:59,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 676 states and 1167 transitions. [2022-10-17 16:50:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1167 transitions. [2022-10-17 16:50:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:50:00,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:00,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 677 states and 1167 transitions. [2022-10-17 16:50:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1167 transitions. [2022-10-17 16:50:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:50:01,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:50:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 680 states and 1172 transitions. [2022-10-17 16:50:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1172 transitions. [2022-10-17 16:50:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:50:02,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:02,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:02,274 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.