./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/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_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ --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 f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- 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 18:10:36,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:10:36,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:10:36,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:10:36,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:10:36,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:10:36,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:10:36,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:10:36,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:10:36,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:10:36,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:10:36,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:10:36,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:10:36,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:10:36,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:10:36,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:10:36,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:10:36,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:10:36,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:10:36,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:10:36,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:10:36,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:10:36,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:10:36,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:10:36,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:10:36,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:10:36,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:10:36,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:10:36,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:10:36,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:10:36,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:10:36,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:10:36,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:10:36,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:10:36,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:10:36,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:10:36,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:10:36,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:10:36,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:10:36,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:10:36,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:10:36,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 18:10:36,759 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:10:36,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:10:36,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:10:36,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:10:36,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:10:36,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:10:36,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:10:36,762 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:10:36,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:10:36,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:10:36,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:10:36,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:10:36,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:10:36,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:10:36,763 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:10:36,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:10:36,763 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:10:36,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:10:36,764 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:10:36,764 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:10:36,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:10:36,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:10:36,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:10:36,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:10:36,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:10:36,765 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:10:36,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:10:36,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:10:36,766 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_668c2f7e-ed04-4ae5-80f4-bddb226c283d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2022-11-20 18:10:37,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:10:37,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:10:37,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:10:37,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:10:37,079 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:10:37,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-invgen/nested9.i [2022-11-20 18:10:40,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:10:40,374 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:10:40,375 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/sv-benchmarks/c/loop-invgen/nested9.i [2022-11-20 18:10:40,381 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/data/21fe92ce9/accdda3750544ae0a47cf6728abe1faf/FLAG5edda43ce [2022-11-20 18:10:40,396 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/data/21fe92ce9/accdda3750544ae0a47cf6728abe1faf [2022-11-20 18:10:40,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:10:40,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:10:40,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:10:40,403 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:10:40,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:10:40,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3876e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40, skipping insertion in model container [2022-11-20 18:10:40,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:10:40,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:10:40,662 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_668c2f7e-ed04-4ae5-80f4-bddb226c283d/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2022-11-20 18:10:40,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:10:40,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:10:40,721 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_668c2f7e-ed04-4ae5-80f4-bddb226c283d/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2022-11-20 18:10:40,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:10:40,749 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:10:40,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40 WrapperNode [2022-11-20 18:10:40,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:10:40,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:10:40,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:10:40,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:10:40,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,795 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-11-20 18:10:40,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:10:40,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:10:40,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:10:40,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:10:40,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,823 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:10:40,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:10:40,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:10:40,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:10:40,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:10:40" (1/1) ... [2022-11-20 18:10:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:10:40,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:10:40,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:10:40,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:10:40,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:10:40,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:10:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:10:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:10:41,007 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:10:41,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:10:41,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:10:41,245 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:10:41,246 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 18:10:41,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:41 BoogieIcfgContainer [2022-11-20 18:10:41,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:10:41,249 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:10:41,249 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:10:41,260 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:10:41,261 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:41" (1/1) ... [2022-11-20 18:10:41,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:10:41,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-11-20 18:10:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-11-20 18:10:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:10:41,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:41,718 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 18:10:41,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2022-11-20 18:10:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2022-11-20 18:10:41,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:10:41,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:42,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2022-11-20 18:10:42,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2022-11-20 18:10:42,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:10:42,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:42,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:43,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2022-11-20 18:10:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2022-11-20 18:10:43,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:10:43,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:43,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:10:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:43,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2022-11-20 18:10:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2022-11-20 18:10:43,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:10:43,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2022-11-20 18:10:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2022-11-20 18:10:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:10:44,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:44,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:46,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2022-11-20 18:10:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2022-11-20 18:10:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:10:46,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:46,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:10:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 36 states and 87 transitions. [2022-11-20 18:10:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 87 transitions. [2022-11-20 18:10:46,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:10:46,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:46,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:10:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2022-11-20 18:10:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2022-11-20 18:10:46,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:10:46,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:46,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:10:47,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2022-11-20 18:10:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2022-11-20 18:10:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:10:47,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:10:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2022-11-20 18:10:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2022-11-20 18:10:49,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:10:49,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 49 states and 126 transitions. [2022-11-20 18:10:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 126 transitions. [2022-11-20 18:10:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:10:51,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 50 states and 128 transitions. [2022-11-20 18:10:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 128 transitions. [2022-11-20 18:10:52,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:10:52,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:52,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2022-11-20 18:10:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2022-11-20 18:10:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:10:52,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:52,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 57 states and 152 transitions. [2022-11-20 18:10:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 152 transitions. [2022-11-20 18:10:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:10:55,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:55,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2022-11-20 18:10:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2022-11-20 18:10:56,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:10:56,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:56,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:10:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2022-11-20 18:10:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2022-11-20 18:10:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:10:56,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:56,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:10:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2022-11-20 18:10:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2022-11-20 18:10:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:10:57,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:57,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:10:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2022-11-20 18:10:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2022-11-20 18:10:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:10:58,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:10:59,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:10:59,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 65 states and 170 transitions. [2022-11-20 18:10:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 170 transitions. [2022-11-20 18:10:59,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:10:59,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:10:59,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:10:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:10:59,941 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:11:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:00,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2022-11-20 18:11:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2022-11-20 18:11:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:11:00,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:00,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:11:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:01,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2022-11-20 18:11:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2022-11-20 18:11:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:11:01,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:01,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:11:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 74 states and 198 transitions. [2022-11-20 18:11:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2022-11-20 18:11:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:11:04,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:04,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:11:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:05,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2022-11-20 18:11:05,729 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2022-11-20 18:11:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:11:05,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:05,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:05,764 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:06,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2022-11-20 18:11:06,189 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2022-11-20 18:11:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:11:06,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:06,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2022-11-20 18:11:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2022-11-20 18:11:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:11:06,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2022-11-20 18:11:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2022-11-20 18:11:07,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:11:07,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:07,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:07,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 83 states and 207 transitions. [2022-11-20 18:11:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 207 transitions. [2022-11-20 18:11:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:11:08,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 18:11:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 92 states and 230 transitions. [2022-11-20 18:11:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 230 transitions. [2022-11-20 18:11:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:11:12,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:12,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 18:11:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 94 states and 234 transitions. [2022-11-20 18:11:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 234 transitions. [2022-11-20 18:11:13,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:11:13,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:13,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:14,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 95 states and 234 transitions. [2022-11-20 18:11:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 234 transitions. [2022-11-20 18:11:14,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 18:11:14,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:14,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 18:11:15,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:15,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 96 states and 235 transitions. [2022-11-20 18:11:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 235 transitions. [2022-11-20 18:11:15,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:11:15,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:11:19,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:19,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 103 states and 245 transitions. [2022-11-20 18:11:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 245 transitions. [2022-11-20 18:11:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:11:19,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:19,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:11:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 107 states and 254 transitions. [2022-11-20 18:11:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 254 transitions. [2022-11-20 18:11:21,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:11:21,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:21,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:11:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 109 states and 254 transitions. [2022-11-20 18:11:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 254 transitions. [2022-11-20 18:11:22,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:11:22,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:22,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 18:11:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:23,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 110 states and 254 transitions. [2022-11-20 18:11:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 254 transitions. [2022-11-20 18:11:23,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:11:23,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:23,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:11:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2022-11-20 18:11:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2022-11-20 18:11:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:11:27,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:27,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-20 18:11:28,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:28,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 116 states and 262 transitions. [2022-11-20 18:11:28,267 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 262 transitions. [2022-11-20 18:11:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:11:28,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:28,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 18:11:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 117 states and 263 transitions. [2022-11-20 18:11:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 263 transitions. [2022-11-20 18:11:28,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:11:28,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 130 states and 295 transitions. [2022-11-20 18:11:38,026 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 295 transitions. [2022-11-20 18:11:38,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:11:38,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:38,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 134 states and 301 transitions. [2022-11-20 18:11:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 301 transitions. [2022-11-20 18:11:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:11:40,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:40,794 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:11:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 135 states and 301 transitions. [2022-11-20 18:11:41,425 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 301 transitions. [2022-11-20 18:11:41,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:11:41,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:41,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 18:11:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 136 states and 302 transitions. [2022-11-20 18:11:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 302 transitions. [2022-11-20 18:11:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:11:42,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:42,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:42,328 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 140 states and 311 transitions. [2022-11-20 18:11:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 311 transitions. [2022-11-20 18:11:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:11:44,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:44,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:45,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 141 states and 313 transitions. [2022-11-20 18:11:45,747 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 313 transitions. [2022-11-20 18:11:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:11:45,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:47,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 143 states and 317 transitions. [2022-11-20 18:11:47,415 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 317 transitions. [2022-11-20 18:11:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:11:47,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 18:11:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:48,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 144 states and 319 transitions. [2022-11-20 18:11:48,107 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 319 transitions. [2022-11-20 18:11:48,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:11:48,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:48,165 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 18:11:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 321 transitions. [2022-11-20 18:11:48,860 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 321 transitions. [2022-11-20 18:11:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:11:48,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:48,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-20 18:11:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 148 states and 326 transitions. [2022-11-20 18:11:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 326 transitions. [2022-11-20 18:11:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:11:51,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:51,685 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:11:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:11:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 158 states and 342 transitions. [2022-11-20 18:11:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 342 transitions. [2022-11-20 18:11:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:11:59,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:11:59,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:11:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:11:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 18 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:12:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 166 states and 355 transitions. [2022-11-20 18:12:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 355 transitions. [2022-11-20 18:12:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:12:05,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-20 18:12:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 176 states and 380 transitions. [2022-11-20 18:12:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 380 transitions. [2022-11-20 18:12:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:12:13,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:13,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:13,830 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-20 18:12:14,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 177 states and 381 transitions. [2022-11-20 18:12:14,712 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 381 transitions. [2022-11-20 18:12:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 18:12:14,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-20 18:12:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 176 states and 385 transitions. [2022-11-20 18:12:18,172 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 385 transitions. [2022-11-20 18:12:18,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:12:18,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:18,530 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:12:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 183 states and 399 transitions. [2022-11-20 18:12:24,490 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 399 transitions. [2022-11-20 18:12:24,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 18:12:24,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:24,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 87 proven. 34 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 18:12:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 185 states and 400 transitions. [2022-11-20 18:12:26,185 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 400 transitions. [2022-11-20 18:12:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-20 18:12:26,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:26,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:26,272 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 18:12:27,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 186 states and 400 transitions. [2022-11-20 18:12:27,106 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 400 transitions. [2022-11-20 18:12:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 18:12:27,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:27,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 18:12:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 193 states and 407 transitions. [2022-11-20 18:12:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 407 transitions. [2022-11-20 18:12:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:12:35,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:35,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:36,302 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:12:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 207 states and 426 transitions. [2022-11-20 18:12:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 426 transitions. [2022-11-20 18:12:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 18:12:47,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:47,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 99 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-20 18:12:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:48,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 208 states and 426 transitions. [2022-11-20 18:12:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 426 transitions. [2022-11-20 18:12:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 18:12:48,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:48,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-11-20 18:12:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:49,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 209 states and 427 transitions. [2022-11-20 18:12:49,320 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 427 transitions. [2022-11-20 18:12:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 18:12:49,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:49,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 223 proven. 22 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-11-20 18:12:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 212 states and 436 transitions. [2022-11-20 18:12:52,641 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 436 transitions. [2022-11-20 18:12:52,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 18:12:52,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:52,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 285 proven. 29 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 18:12:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:12:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 218 states and 442 transitions. [2022-11-20 18:12:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 442 transitions. [2022-11-20 18:12:57,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 18:12:57,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:12:57,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:12:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:12:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 194 proven. 210 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-20 18:13:12,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 231 states and 461 transitions. [2022-11-20 18:13:12,504 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 461 transitions. [2022-11-20 18:13:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:13:12,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:12,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 261 proven. 142 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-20 18:13:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 236 states and 464 transitions. [2022-11-20 18:13:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 464 transitions. [2022-11-20 18:13:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 18:13:16,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:16,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 261 proven. 142 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-20 18:13:19,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 238 states and 467 transitions. [2022-11-20 18:13:19,202 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 467 transitions. [2022-11-20 18:13:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 18:13:19,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:19,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 282 proven. 169 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2022-11-20 18:13:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 240 states and 468 transitions. [2022-11-20 18:13:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 468 transitions. [2022-11-20 18:13:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-20 18:13:20,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-11-20 18:13:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 244 states and 479 transitions. [2022-11-20 18:13:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2022-11-20 18:13:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 18:13:25,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-11-20 18:13:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 246 states and 486 transitions. [2022-11-20 18:13:27,833 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 486 transitions. [2022-11-20 18:13:27,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:13:27,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:27,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2022-11-20 18:13:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 251 states and 497 transitions. [2022-11-20 18:13:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 497 transitions. [2022-11-20 18:13:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 18:13:33,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:34,489 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-11-20 18:13:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 254 states and 500 transitions. [2022-11-20 18:13:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 500 transitions. [2022-11-20 18:13:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:13:37,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-20 18:13:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 256 states and 501 transitions. [2022-11-20 18:13:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 501 transitions. [2022-11-20 18:13:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:13:40,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:40,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-20 18:13:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 257 states and 503 transitions. [2022-11-20 18:13:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 503 transitions. [2022-11-20 18:13:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:13:41,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:41,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-20 18:13:44,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:44,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 259 states and 506 transitions. [2022-11-20 18:13:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 506 transitions. [2022-11-20 18:13:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:13:44,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-20 18:13:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 261 states and 507 transitions. [2022-11-20 18:13:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 507 transitions. [2022-11-20 18:13:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 18:13:46,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:46,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 654 trivial. 0 not checked. [2022-11-20 18:13:49,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:49,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 257 states and 496 transitions. [2022-11-20 18:13:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 496 transitions. [2022-11-20 18:13:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:13:49,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-11-20 18:13:53,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 257 states and 494 transitions. [2022-11-20 18:13:53,079 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 494 transitions. [2022-11-20 18:13:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:13:53,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2022-11-20 18:13:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2022-11-20 18:13:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2022-11-20 18:13:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:13:55,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:55,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2022-11-20 18:13:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 260 states and 495 transitions. [2022-11-20 18:13:57,095 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 495 transitions. [2022-11-20 18:13:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 18:13:57,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:57,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:13:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2022-11-20 18:13:59,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:13:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 263 states and 497 transitions. [2022-11-20 18:13:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 497 transitions. [2022-11-20 18:13:59,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 18:13:59,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:13:59,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:13:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 571 proven. 80 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 18:14:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 270 states and 505 transitions. [2022-11-20 18:14:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 505 transitions. [2022-11-20 18:14:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 18:14:08,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:08,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 619 proven. 90 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-20 18:14:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 232 states and 443 transitions. [2022-11-20 18:14:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 443 transitions. [2022-11-20 18:14:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 18:14:15,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:15,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 1 proven. 467 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:14:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 244 states and 480 transitions. [2022-11-20 18:14:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 480 transitions. [2022-11-20 18:14:42,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 18:14:42,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 1 proven. 467 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:14:49,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 249 states and 491 transitions. [2022-11-20 18:14:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 491 transitions. [2022-11-20 18:14:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 18:14:49,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:49,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:49,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 1 proven. 541 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:14:52,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:52,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 253 states and 493 transitions. [2022-11-20 18:14:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 493 transitions. [2022-11-20 18:14:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 18:14:52,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:52,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 1 proven. 541 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:14:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 258 states and 495 transitions. [2022-11-20 18:14:58,146 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 495 transitions. [2022-11-20 18:14:58,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 18:14:58,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:58,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 1 proven. 541 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:14:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2022-11-20 18:14:59,885 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2022-11-20 18:14:59,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 18:14:59,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:59,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:00,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 1 proven. 541 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2022-11-20 18:15:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 261 states and 496 transitions. [2022-11-20 18:15:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 496 transitions. [2022-11-20 18:15:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 18:15:02,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:02,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 129 proven. 758 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-20 18:16:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 288 states and 531 transitions. [2022-11-20 18:16:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 531 transitions. [2022-11-20 18:16:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 18:16:09,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:09,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 129 proven. 758 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-20 18:16:32,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 154 states and 310 transitions. [2022-11-20 18:16:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 310 transitions. [2022-11-20 18:16:32,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:16:32,935 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2022-11-20 18:16:32,943 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-11-20 18:16:34,174 INFO L560 CodeCheckObserver]: Invariant with dag size 40 [2022-11-20 18:16:34,186 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-11-20 18:16:34,187 INFO L560 CodeCheckObserver]: Invariant with dag size 38 [2022-11-20 18:16:34,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:16:34,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:16:34,189 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:16:34,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:16:34 ImpRootNode [2022-11-20 18:16:34,190 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:16:34,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:16:34,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:16:34,191 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:16:34,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:10:41" (3/4) ... [2022-11-20 18:16:34,194 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:16:34,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 18:16:34,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:16:34,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:16:34,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:16:34,245 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:16:34,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:16:34,246 INFO L158 Benchmark]: Toolchain (without parser) took 353845.34ms. Allocated memory was 134.2MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 71.6MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 413.0MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,246 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:34,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.11ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 71.5MB in the beginning and 143.4MB in the end (delta: -72.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.91ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,248 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 140.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:16:34,249 INFO L158 Benchmark]: RCFGBuilder took 422.46ms. Allocated memory is still 180.4MB. Free memory was 140.1MB in the beginning and 128.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,249 INFO L158 Benchmark]: CodeCheck took 352941.02ms. Allocated memory was 180.4MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 128.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 420.3MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,250 INFO L158 Benchmark]: Witness Printer took 54.71ms. Allocated memory is still 3.9GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:16:34,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 351.7s, OverallIterations: 90, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27847 SdHoareTripleChecker+Valid, 216.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25639 mSDsluCounter, 712 SdHoareTripleChecker+Invalid, 187.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33698 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115479 IncrementalHoareTripleChecker+Invalid, 149177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33698 mSolverCounterUnsat, 712 mSDtfsCounter, 115479 mSolverCounterSat, 2.8s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39966 GetRequests, 37043 SyntacticMatches, 1403 SemanticMatches, 1520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226341 ImplicationChecksByTransitivity, 332.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 4083 NumberOfCodeBlocks, 4083 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 3994 ConstructedInterpolants, 0 QuantifiedInterpolants, 15390 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 4 PerfectInterpolantSequences, 16303/24909 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((3 * i <= j + 1 && j + 1 <= 2 * n + i) || (3 * i <= j + 1 && !(k + 1 <= j))) || (((2 * i <= j && !(3 * i <= j + 1)) && i <= n) && !(j <= 2 + i))) || ((i == 0 && !(k + 1 <= j)) && i + 1 <= n)) || (((j <= 2 + i && 2 * i <= j) && j <= 2 + k) && 5 + k <= 2 * n + i)) || (((j <= k + 1 && 2 * i <= j) && !(3 * i <= j + 1)) && i + 1 <= n) - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((i == 0 && i + 1 <= n) || ((!(2 + j <= 2 * n + i) && i <= n) && !(j <= 3 + i))) || 3 * i <= j) || ((2 * i + 1 <= j && i <= n) && 2 + j <= 2 * n + i)) || (2 * i <= j && i + 1 <= n) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((3 * i <= j + 1 && j + 1 <= 2 * n + i) || (((2 * i <= j && !(3 * i <= j + 1)) && i <= n) && !(j <= 2 + i))) || (((i == 0 && k == 0) && i + 1 <= n) && j + 1 <= 2 * n + i)) || (((j <= 2 + i && 2 * i <= j) && j <= 2 + k) && 5 + k <= 2 * n + i)) || (((j <= k + 1 && 2 * i <= j) && !(3 * i <= j + 1)) && i + 1 <= n) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.11ms. Allocated memory was 134.2MB in the beginning and 180.4MB in the end (delta: 46.1MB). Free memory was 71.5MB in the beginning and 143.4MB in the end (delta: -72.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.91ms. Allocated memory is still 180.4MB. Free memory was 143.4MB in the beginning and 141.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 180.4MB. Free memory was 141.3MB in the beginning and 140.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.46ms. Allocated memory is still 180.4MB. Free memory was 140.1MB in the beginning and 128.2MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 352941.02ms. Allocated memory was 180.4MB in the beginning and 3.9GB in the end (delta: 3.7GB). Free memory was 128.2MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 420.3MB. Max. memory is 16.1GB. * Witness Printer took 54.71ms. Allocated memory is still 3.9GB. Free memory was 3.4GB in the beginning and 3.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:16:34,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_668c2f7e-ed04-4ae5-80f4-bddb226c283d/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE