./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/pipeline.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/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_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/pipeline.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/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_f9140735-6599-4f18-bdc2-db474fee86db/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 c42f0f019aa30bac52b753d657fd0a7a27ad0fcef5ea61d179259276789b8861 --- 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 17:06:13,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:13,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:13,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:13,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:13,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:13,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:13,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:13,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:13,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:13,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:13,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:13,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:13,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:13,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:13,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:13,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:13,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:13,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:13,928 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:13,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:13,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:13,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:13,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:13,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:13,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:13,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:13,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:13,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:13,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:13,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:13,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:13,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:13,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:13,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:13,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:13,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:13,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:13,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:13,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:13,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:13,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:14,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:14,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:14,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:14,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:14,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:14,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:14,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:14,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:14,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:14,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:14,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:14,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:14,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:14,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:14,022 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:14,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:14,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:14,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:14,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:14,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:14,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:14,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:14,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:14,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:14,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:14,030 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:14,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:14,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:14,031 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_f9140735-6599-4f18-bdc2-db474fee86db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c42f0f019aa30bac52b753d657fd0a7a27ad0fcef5ea61d179259276789b8861 [2022-10-17 17:06:14,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:14,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:14,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:14,378 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:14,379 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:14,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/systemc/pipeline.cil-2.c [2022-10-17 17:06:14,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/data/3f7e6e760/0ba0b6b63fef442d87b7c231029258a2/FLAG7b3476167 [2022-10-17 17:06:14,988 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:06:14,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/sv-benchmarks/c/systemc/pipeline.cil-2.c [2022-10-17 17:06:15,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/data/3f7e6e760/0ba0b6b63fef442d87b7c231029258a2/FLAG7b3476167 [2022-10-17 17:06:15,293 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/data/3f7e6e760/0ba0b6b63fef442d87b7c231029258a2 [2022-10-17 17:06:15,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:06:15,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:06:15,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:15,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:06:15,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:06:15,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401bf0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15, skipping insertion in model container [2022-10-17 17:06:15,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:06:15,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:06:15,536 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_f9140735-6599-4f18-bdc2-db474fee86db/sv-benchmarks/c/systemc/pipeline.cil-2.c[640,653] [2022-10-17 17:06:15,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:15,639 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:06:15,651 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_f9140735-6599-4f18-bdc2-db474fee86db/sv-benchmarks/c/systemc/pipeline.cil-2.c[640,653] [2022-10-17 17:06:15,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:15,764 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:15,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15 WrapperNode [2022-10-17 17:06:15,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:15,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:15,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:15,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:15,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,827 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 422 [2022-10-17 17:06:15,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:15,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:15,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:15,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:15,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:15,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:15,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:15,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:15,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:15" (1/1) ... [2022-10-17 17:06:15,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:15,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:15,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9140735-6599-4f18-bdc2-db474fee86db/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2022-10-17 17:06:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2022-10-17 17:06:15,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:15,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:16,075 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:16,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:16,845 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:17,524 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:17,525 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:06:17,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:17 BoogieIcfgContainer [2022-10-17 17:06:17,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:17,529 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:17,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:17,540 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:17,541 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:17" (1/1) ... [2022-10-17 17:06:17,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-10-17 17:06:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-10-17 17:06:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:17,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-10-17 17:06:18,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-10-17 17:06:18,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:18,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:06:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-10-17 17:06:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-10-17 17:06:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:18,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:20,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:20,357 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:20,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:21,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:21,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:21,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:22,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:22,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:24,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:24,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:25,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:25,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:26,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:26,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:27,029 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:27,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:27,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:27,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:28,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:28,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:28,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:28,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:29,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:29,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:29,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:29,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:29,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:30,773 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:30,882 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:30,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:30,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:31,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:31,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:31,739 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:31,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:31,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:32,429 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:32,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:33,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:34,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:34,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:34,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:34,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:34,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:35,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:35,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:36,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:36,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:37,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:37,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:37,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:37,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:38,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:38,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:39,513 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:39,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:39,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:40,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:40,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:40,324 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:40,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:40,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:41,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:41,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:41,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:41,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:06:42,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:42,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 85 transitions. [2022-10-17 17:06:42,115 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-10-17 17:06:42,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:42,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat