./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/rewrev.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- 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-6b4ec56 [2022-11-20 17:09:11,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:11,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:11,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:11,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:11,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:11,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:11,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:11,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:11,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:11,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:11,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:11,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:11,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:11,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:11,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:11,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:11,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:11,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:11,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:11,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:11,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:11,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:11,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:11,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:11,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:11,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:11,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:11,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:11,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:11,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:11,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:11,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:11,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:11,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:11,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:11,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:11,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:11,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:11,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:11,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:11,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:09:11,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:11,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:11,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:11,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:11,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:11,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:11,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:11,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:09:11,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:11,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:11,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:09:11,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:11,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:11,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:11,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:11,800 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:11,800 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:09:11,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:11,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:11,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:11,801 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:11,801 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:11,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:11,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:11,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:11,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:11,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:11,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:11,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:11,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:11,803 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_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2022-11-20 17:09:12,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:12,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:12,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:12,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:12,139 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:12,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-tiling/rewrev.c [2022-11-20 17:09:15,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:15,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:15,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/sv-benchmarks/c/array-tiling/rewrev.c [2022-11-20 17:09:15,517 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/data/ebc5dbcb1/edc4594b933a4d1fbd22c01b2670da57/FLAG0f69903c0 [2022-11-20 17:09:15,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/data/ebc5dbcb1/edc4594b933a4d1fbd22c01b2670da57 [2022-11-20 17:09:15,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:15,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:15,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:15,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:15,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:15,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c27e598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15, skipping insertion in model container [2022-11-20 17:09:15,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:15,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:15,743 WARN L237 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_fa860f5b-074c-45b0-bd13-90baa85761dd/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2022-11-20 17:09:15,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:15,775 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:15,789 WARN L237 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_fa860f5b-074c-45b0-bd13-90baa85761dd/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2022-11-20 17:09:15,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:15,826 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:15,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15 WrapperNode [2022-11-20 17:09:15,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:15,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:15,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:15,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:15,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,873 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-11-20 17:09:15,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:15,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:15,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:15,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:15,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,905 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:15,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:15,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:15,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:15,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:15" (1/1) ... [2022-11-20 17:09:15,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:15,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:15,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa860f5b-074c-45b0-bd13-90baa85761dd/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:15,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:09:16,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:09:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:09:16,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:16,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:16,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:09:16,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:16,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:16,281 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:09:16,347 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:09:16,347 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:09:16,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:16 BoogieIcfgContainer [2022-11-20 17:09:16,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:09:16,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:09:16,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:09:16,364 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:09:16,365 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:09:16" (1/1) ... [2022-11-20 17:09:16,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:09:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-11-20 17:09:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 17:09:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:09:16,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-11-20 17:09:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:09:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:09:16,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:16,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-20 17:09:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 17:09:16,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:09:16,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:16,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:17,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-20 17:09:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-20 17:09:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:17,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 17:09:17,216 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 17:09:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:09:17,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 17:09:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 17:09:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:09:17,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:17,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-20 17:09:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-20 17:09:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:09:17,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-20 17:09:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-20 17:09:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:09:17,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:17,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 17:09:18,761 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 17:09:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:09:18,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:18,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-11-20 17:09:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-11-20 17:09:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:09:18,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:18,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:19,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2022-11-20 17:09:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-11-20 17:09:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:09:19,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:19,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-11-20 17:09:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-11-20 17:09:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:09:19,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:09:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-11-20 17:09:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-11-20 17:09:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:09:19,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:19,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:09:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2022-11-20 17:09:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 17:09:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:09:20,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:20,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:09:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:23,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 17:09:23,543 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 17:09:23,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:09:23,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:23,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:09:24,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 17:09:24,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 17:09:24,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:09:24,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:24,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:24,676 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 17:09:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2022-11-20 17:09:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-11-20 17:09:25,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:09:25,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:25,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:26,128 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-11-20 17:09:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-11-20 17:09:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:09:29,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:29,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 17:09:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 72 states and 84 transitions. [2022-11-20 17:09:31,116 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 84 transitions. [2022-11-20 17:09:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 17:09:31,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:31,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 29 proven. 44 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 94 states and 109 transitions. [2022-11-20 17:09:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2022-11-20 17:09:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 17:09:37,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:37,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-20 17:09:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2022-11-20 17:09:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2022-11-20 17:09:38,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 17:09:38,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:09:47,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 122 states and 142 transitions. [2022-11-20 17:09:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 142 transitions. [2022-11-20 17:09:47,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:09:47,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:47,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:47,786 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-20 17:09:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 125 states and 146 transitions. [2022-11-20 17:09:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2022-11-20 17:09:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:09:49,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:49,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 60 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 153 states and 179 transitions. [2022-11-20 17:10:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 179 transitions. [2022-11-20 17:10:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:10:00,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:00,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 17:10:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 156 states and 183 transitions. [2022-11-20 17:10:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2022-11-20 17:10:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 17:10:03,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 80 proven. 131 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:17,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:17,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 187 states and 220 transitions. [2022-11-20 17:10:17,560 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2022-11-20 17:10:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:10:17,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:18,302 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 17:10:20,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 190 states and 224 transitions. [2022-11-20 17:10:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2022-11-20 17:10:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 17:10:20,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:20,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 103 proven. 170 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:10:39,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:39,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 224 states and 265 transitions. [2022-11-20 17:10:39,086 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 265 transitions. [2022-11-20 17:10:39,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 17:10:39,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:39,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-11-20 17:10:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 227 states and 269 transitions. [2022-11-20 17:10:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 269 transitions. [2022-11-20 17:10:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 17:10:42,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:42,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:44,565 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 129 proven. 214 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 264 states and 314 transitions. [2022-11-20 17:11:06,282 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 314 transitions. [2022-11-20 17:11:06,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 17:11:06,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:06,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-11-20 17:11:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 267 states and 318 transitions. [2022-11-20 17:11:10,180 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2022-11-20 17:11:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:11:10,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:10,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 158 proven. 263 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:11:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 307 states and 367 transitions. [2022-11-20 17:11:39,432 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 367 transitions. [2022-11-20 17:11:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 17:11:39,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:39,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:40,530 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-11-20 17:11:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:11:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 310 states and 371 transitions. [2022-11-20 17:11:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 371 transitions. [2022-11-20 17:11:43,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 17:11:43,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:11:43,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:11:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:11:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 190 proven. 317 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:12:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 353 states and 424 transitions. [2022-11-20 17:12:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 424 transitions. [2022-11-20 17:12:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 17:12:19,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:19,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-11-20 17:12:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 356 states and 428 transitions. [2022-11-20 17:12:25,059 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 428 transitions. [2022-11-20 17:12:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 17:12:25,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:25,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 225 proven. 376 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 402 states and 485 transitions. [2022-11-20 17:13:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 485 transitions. [2022-11-20 17:13:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-20 17:13:09,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-11-20 17:13:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 405 states and 489 transitions. [2022-11-20 17:13:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 489 transitions. [2022-11-20 17:13:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 17:13:14,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 263 proven. 440 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:14:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 454 states and 550 transitions. [2022-11-20 17:14:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 550 transitions. [2022-11-20 17:14:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-20 17:14:08,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:08,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-11-20 17:14:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 457 states and 554 transitions. [2022-11-20 17:14:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 554 transitions. [2022-11-20 17:14:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-20 17:14:16,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 304 proven. 509 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:15:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:20,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 509 states and 619 transitions. [2022-11-20 17:15:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 619 transitions. [2022-11-20 17:15:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 17:15:20,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:20,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 885 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-11-20 17:15:27,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 512 states and 623 transitions. [2022-11-20 17:15:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 623 transitions. [2022-11-20 17:15:27,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 17:15:27,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:27,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 348 proven. 583 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:16:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 567 states and 692 transitions. [2022-11-20 17:16:44,015 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 692 transitions. [2022-11-20 17:16:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-20 17:16:44,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:44,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2022-11-20 17:16:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 570 states and 696 transitions. [2022-11-20 17:16:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 696 transitions. [2022-11-20 17:16:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 17:16:52,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:52,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 395 proven. 662 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:18:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 628 states and 769 transitions. [2022-11-20 17:18:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 769 transitions. [2022-11-20 17:18:20,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 17:18:20,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-11-20 17:18:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 631 states and 773 transitions. [2022-11-20 17:18:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 773 transitions. [2022-11-20 17:18:30,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 17:18:30,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:30,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1192 backedges. 445 proven. 746 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:20:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 692 states and 850 transitions. [2022-11-20 17:20:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 850 transitions. [2022-11-20 17:20:14,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-20 17:20:14,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:14,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2022-11-20 17:20:25,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 695 states and 854 transitions. [2022-11-20 17:20:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 854 transitions. [2022-11-20 17:20:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-20 17:20:25,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:25,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 498 proven. 835 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.