./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_m5.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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_m5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/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 afdb8b285c2183da613babde617c7580c3aee6b3bc694b080468400e828cda16 --- 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 16:47:58,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:58,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:58,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:58,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:58,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:58,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:58,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:58,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:58,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:58,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:58,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:58,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:58,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:58,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:58,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:58,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:58,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:58,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:58,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:58,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:58,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:58,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:58,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:58,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:58,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:58,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:58,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:58,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:58,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:58,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:58,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:58,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:58,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:58,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:58,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:58,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:58,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:58,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:58,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:58,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:58,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:58,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:58,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:58,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:58,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:58,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:58,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:58,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:58,795 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:58,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:58,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:58,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:58,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:58,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:58,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:58,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:58,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:58,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:58,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:58,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:58,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:58,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:58,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:58,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:58,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:58,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:58,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:58,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:58,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:58,803 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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afdb8b285c2183da613babde617c7580c3aee6b3bc694b080468400e828cda16 [2022-10-17 16:47:59,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:59,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:59,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:59,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:59,180 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:59,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-crafted/zero_sum_m5.c [2022-10-17 16:47:59,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/data/fdf4e75be/1d802c6b49624a55a82b3ea411acd56e/FLAGd20f764ca [2022-10-17 16:47:59,810 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:59,811 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/sv-benchmarks/c/array-crafted/zero_sum_m5.c [2022-10-17 16:47:59,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/data/fdf4e75be/1d802c6b49624a55a82b3ea411acd56e/FLAGd20f764ca [2022-10-17 16:48:00,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/data/fdf4e75be/1d802c6b49624a55a82b3ea411acd56e [2022-10-17 16:48:00,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:00,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:00,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:00,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:00,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:00,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793d2220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00, skipping insertion in model container [2022-10-17 16:48:00,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:00,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:00,498 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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/sv-benchmarks/c/array-crafted/zero_sum_m5.c[402,415] [2022-10-17 16:48:00,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:00,580 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:00,603 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_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/sv-benchmarks/c/array-crafted/zero_sum_m5.c[402,415] [2022-10-17 16:48:00,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:00,668 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:00,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00 WrapperNode [2022-10-17 16:48:00,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:00,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:00,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:00,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:00,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,752 INFO L138 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2022-10-17 16:48:00,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:00,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:00,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:00,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:00,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,785 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:00,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:00,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:00,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:00,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:00" (1/1) ... [2022-10-17 16:48:00,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:00,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:00,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:00,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f04534d1-a4c8-40cb-9f9c-2e9924f78b00/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:00,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:00,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:00,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:00,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:00,962 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:00,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:01,302 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:01,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:01,480 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:48:01,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:01 BoogieIcfgContainer [2022-10-17 16:48:01,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:01,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:01,485 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:01,507 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:01,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:01" (1/1) ... [2022-10-17 16:48:01,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2022-10-17 16:48:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2022-10-17 16:48:01,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:01,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,056 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 16:48:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-10-17 16:48:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-10-17 16:48:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:48:02,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-10-17 16:48:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-10-17 16:48:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:02,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:02,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2022-10-17 16:48:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2022-10-17 16:48:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:02,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:02,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-10-17 16:48:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-10-17 16:48:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:03,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 16:48:03,222 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 16:48:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:03,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:48:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-10-17 16:48:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-10-17 16:48:03,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:48:03,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-10-17 16:48:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-10-17 16:48:03,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:48:03,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,636 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 16:48:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-10-17 16:48:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-10-17 16:48:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:03,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,769 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 16:48:03,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2022-10-17 16:48:03,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2022-10-17 16:48:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:48:03,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:03,908 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 16:48:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2022-10-17 16:48:03,961 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2022-10-17 16:48:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:03,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:48:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-10-17 16:48:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-10-17 16:48:04,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:48:04,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,234 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:48:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2022-10-17 16:48:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2022-10-17 16:48:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:48:04,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:48:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2022-10-17 16:48:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2022-10-17 16:48:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:48:04,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,745 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:48:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-10-17 16:48:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:48:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:48:04,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:48:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2022-10-17 16:48:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2022-10-17 16:48:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:48:04,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:48:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2022-10-17 16:48:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2022-10-17 16:48:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:05,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:48:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2022-10-17 16:48:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2022-10-17 16:48:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:05,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:48:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2022-10-17 16:48:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2022-10-17 16:48:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:48:05,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:48:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2022-10-17 16:48:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2022-10-17 16:48:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:05,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:48:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2022-10-17 16:48:05,641 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2022-10-17 16:48:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:48:05,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:48:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2022-10-17 16:48:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2022-10-17 16:48:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:48:05,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:48:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2022-10-17 16:48:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2022-10-17 16:48:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:48:05,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:24,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2022-10-17 16:48:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2022-10-17 16:48:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:48:24,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.