./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/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_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/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_54549425-a3b7-4ef2-8a7b-649aad9efc75/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 a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:36:42,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:36:42,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:36:42,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:36:42,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:36:42,684 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:36:42,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:36:42,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:36:42,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:36:42,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:36:42,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:36:42,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:36:42,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:36:42,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:36:42,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:36:42,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:36:42,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:36:42,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:36:42,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:36:42,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:36:42,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:36:42,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:36:42,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:36:42,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:36:42,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:36:42,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:36:42,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:36:42,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:36:42,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:36:42,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:36:42,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:36:42,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:36:42,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:36:42,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:36:42,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:36:42,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:36:42,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:36:42,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:36:42,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:36:42,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:36:42,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:36:42,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 17:36:42,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:36:42,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:36:42,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:36:42,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:36:42,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:36:42,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:36:42,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:36:42,781 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:36:42,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:36:42,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:36:42,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:36:42,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:36:42,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:36:42,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:36:42,783 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:36:42,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:36:42,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:36:42,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:36:42,784 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:36:42,784 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:36:42,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:36:42,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:42,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:36:42,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:36:42,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:36:42,786 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:36:42,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:36:42,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:36:42,787 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_54549425-a3b7-4ef2-8a7b-649aad9efc75/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 [2022-11-20 17:36:43,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:36:43,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:36:43,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:36:43,172 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:36:43,173 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:36:43,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:36:46,200 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:36:46,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:36:46,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2022-11-20 17:36:46,559 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/data/c568f6f9c/7a70fe5efb504c43b6ce5df0b36e6a9a/FLAG12101eed8 [2022-11-20 17:36:46,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/data/c568f6f9c/7a70fe5efb504c43b6ce5df0b36e6a9a [2022-11-20 17:36:46,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:36:46,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:36:46,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:36:46,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:36:46,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:36:46,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:46" (1/1) ... [2022-11-20 17:36:46,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fecd874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:46, skipping insertion in model container [2022-11-20 17:36:46,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:46" (1/1) ... [2022-11-20 17:36:46,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:36:46,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:36:46,965 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_54549425-a3b7-4ef2-8a7b-649aad9efc75/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2022-11-20 17:36:46,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:46,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:36:47,092 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_54549425-a3b7-4ef2-8a7b-649aad9efc75/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2022-11-20 17:36:47,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:36:47,111 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:36:47,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47 WrapperNode [2022-11-20 17:36:47,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:36:47,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:47,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:36:47,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:36:47,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,232 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 896 [2022-11-20 17:36:47,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:36:47,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:36:47,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:36:47,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:36:47,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,328 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:36:47,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:36:47,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:36:47,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:36:47,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:47" (1/1) ... [2022-11-20 17:36:47,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:36:47,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:36:47,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:36:47,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54549425-a3b7-4ef2-8a7b-649aad9efc75/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:36:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:36:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:36:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:36:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:36:47,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:36:47,681 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:36:48,846 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:36:49,829 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:36:49,829 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:36:49,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:49 BoogieIcfgContainer [2022-11-20 17:36:49,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:36:49,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:36:49,839 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:36:49,849 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:36:49,849 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:49" (1/1) ... [2022-11-20 17:36:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:36:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:49,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 140 states and 224 transitions. [2022-11-20 17:36:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 224 transitions. [2022-11-20 17:36:49,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 17:36:49,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 141 states and 226 transitions. [2022-11-20 17:36:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 226 transitions. [2022-11-20 17:36:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 17:36:54,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:54,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:36:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:36:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2022-11-20 17:36:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2022-11-20 17:36:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:36:57,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:36:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:36:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:36:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 148 states and 240 transitions. [2022-11-20 17:37:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 240 transitions. [2022-11-20 17:37:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:37:00,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:00,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:02,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2022-11-20 17:37:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2022-11-20 17:37:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:37:02,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:02,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:06,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 159 states and 262 transitions. [2022-11-20 17:37:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 262 transitions. [2022-11-20 17:37:06,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-20 17:37:06,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:06,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:10,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:10,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 167 states and 276 transitions. [2022-11-20 17:37:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 276 transitions. [2022-11-20 17:37:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:37:10,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:10,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 174 states and 289 transitions. [2022-11-20 17:37:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 289 transitions. [2022-11-20 17:37:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 17:37:14,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:14,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 175 states and 289 transitions. [2022-11-20 17:37:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 289 transitions. [2022-11-20 17:37:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:37:14,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:14,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:14,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 176 states and 290 transitions. [2022-11-20 17:37:14,648 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 290 transitions. [2022-11-20 17:37:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:37:14,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 187 states and 308 transitions. [2022-11-20 17:37:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 308 transitions. [2022-11-20 17:37:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 17:37:19,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:21,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 190 states and 312 transitions. [2022-11-20 17:37:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 312 transitions. [2022-11-20 17:37:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 17:37:21,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:21,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:26,864 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 17:37:33,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:33,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 207 states and 347 transitions. [2022-11-20 17:37:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 347 transitions. [2022-11-20 17:37:33,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:37:33,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:33,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:41,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 225 states and 380 transitions. [2022-11-20 17:37:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 380 transitions. [2022-11-20 17:37:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 17:37:41,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:43,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:43,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 226 states and 382 transitions. [2022-11-20 17:37:43,946 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 382 transitions. [2022-11-20 17:37:43,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:37:43,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:43,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 245 states and 416 transitions. [2022-11-20 17:37:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 416 transitions. [2022-11-20 17:37:52,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:37:52,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:52,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 246 states and 418 transitions. [2022-11-20 17:37:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 418 transitions. [2022-11-20 17:37:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:37:54,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:57,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 247 states and 422 transitions. [2022-11-20 17:37:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 422 transitions. [2022-11-20 17:37:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:37:57,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:00,099 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 267 states and 458 transitions. [2022-11-20 17:38:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 458 transitions. [2022-11-20 17:38:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:38:07,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:07,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:09,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 268 states and 463 transitions. [2022-11-20 17:38:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 463 transitions. [2022-11-20 17:38:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:38:09,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:09,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 270 states and 467 transitions. [2022-11-20 17:38:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 467 transitions. [2022-11-20 17:38:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 17:38:12,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:14,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 271 states and 469 transitions. [2022-11-20 17:38:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 469 transitions. [2022-11-20 17:38:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:14,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:14,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:18,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 286 states and 500 transitions. [2022-11-20 17:38:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 500 transitions. [2022-11-20 17:38:24,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:24,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:26,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:27,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 288 states and 507 transitions. [2022-11-20 17:38:27,598 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 507 transitions. [2022-11-20 17:38:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:27,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:27,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 290 states and 512 transitions. [2022-11-20 17:38:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 512 transitions. [2022-11-20 17:38:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:30,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 291 states and 513 transitions. [2022-11-20 17:38:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 513 transitions. [2022-11-20 17:38:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:32,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:32,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:35,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 292 states and 515 transitions. [2022-11-20 17:38:35,083 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 515 transitions. [2022-11-20 17:38:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:38:35,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:35,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 293 states and 517 transitions. [2022-11-20 17:38:37,947 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 517 transitions. [2022-11-20 17:38:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 17:38:37,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:37,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:38:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:38:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 315 states and 548 transitions. [2022-11-20 17:38:53,268 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 548 transitions. [2022-11-20 17:38:53,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 17:38:53,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:38:53,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:38:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:38:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:00,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:00,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 321 states and 561 transitions. [2022-11-20 17:39:00,056 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 561 transitions. [2022-11-20 17:39:00,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 17:39:00,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:00,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 329 states and 580 transitions. [2022-11-20 17:39:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 580 transitions. [2022-11-20 17:39:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 17:39:13,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:13,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:31,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:31,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 345 states and 645 transitions. [2022-11-20 17:39:31,907 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 645 transitions. [2022-11-20 17:39:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:39:31,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:31,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:44,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 357 states and 664 transitions. [2022-11-20 17:39:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 664 transitions. [2022-11-20 17:39:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:39:44,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:44,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:39:50,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:39:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 358 states and 666 transitions. [2022-11-20 17:39:50,100 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 666 transitions. [2022-11-20 17:39:50,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-20 17:39:50,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:39:50,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:39:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:39:52,880 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:40:05,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:05,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 374 states and 714 transitions. [2022-11-20 17:40:05,105 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 714 transitions. [2022-11-20 17:40:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:40:05,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:05,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:08,555 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 385 states and 736 transitions. [2022-11-20 17:40:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 736 transitions. [2022-11-20 17:40:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:40:19,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 386 states and 737 transitions. [2022-11-20 17:40:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 737 transitions. [2022-11-20 17:40:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 17:40:24,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:24,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 387 states and 739 transitions. [2022-11-20 17:40:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 739 transitions. [2022-11-20 17:40:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 17:40:27,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:27,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 403 states and 785 transitions. [2022-11-20 17:40:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 785 transitions. [2022-11-20 17:40:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-20 17:40:45,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:40:49,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:40:49,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 404 states and 789 transitions. [2022-11-20 17:40:49,228 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 789 transitions. [2022-11-20 17:40:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:40:49,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:40:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:40:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:40:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 420 states and 832 transitions. [2022-11-20 17:41:08,852 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 832 transitions. [2022-11-20 17:41:08,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:41:08,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:12,676 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 422 states and 844 transitions. [2022-11-20 17:41:16,176 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 844 transitions. [2022-11-20 17:41:16,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:41:16,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:20,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 423 states and 848 transitions. [2022-11-20 17:41:20,043 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 848 transitions. [2022-11-20 17:41:20,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:41:20,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:20,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:34,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 426 states and 855 transitions. [2022-11-20 17:41:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 855 transitions. [2022-11-20 17:41:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:41:34,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:34,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:46,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 432 states and 876 transitions. [2022-11-20 17:41:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 876 transitions. [2022-11-20 17:41:46,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:41:46,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:46,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:41:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:41:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:41:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 437 states and 899 transitions. [2022-11-20 17:41:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 899 transitions. [2022-11-20 17:41:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 17:41:56,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:41:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:41:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 441 states and 917 transitions. [2022-11-20 17:42:05,405 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 917 transitions. [2022-11-20 17:42:05,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:42:05,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:05,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:09,518 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:24,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 456 states and 945 transitions. [2022-11-20 17:42:24,277 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 945 transitions. [2022-11-20 17:42:24,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:42:24,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:24,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:28,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:38,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 462 states and 967 transitions. [2022-11-20 17:42:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 967 transitions. [2022-11-20 17:42:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:42:38,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:50,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 467 states and 997 transitions. [2022-11-20 17:42:50,936 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 997 transitions. [2022-11-20 17:42:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 17:42:50,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:42:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:42:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:42:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 471 states and 1023 transitions. [2022-11-20 17:42:59,637 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1023 transitions. [2022-11-20 17:42:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:42:59,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:42:59,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:42:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:18,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 478 states and 1050 transitions. [2022-11-20 17:43:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 1050 transitions. [2022-11-20 17:43:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:43:18,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:18,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 482 states and 1070 transitions. [2022-11-20 17:43:27,233 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1070 transitions. [2022-11-20 17:43:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:43:27,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:27,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 487 states and 1088 transitions. [2022-11-20 17:43:42,725 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1088 transitions. [2022-11-20 17:43:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:43:42,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 488 states and 1091 transitions. [2022-11-20 17:43:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1091 transitions. [2022-11-20 17:43:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 17:43:51,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:45:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:47:11,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:47:11,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 580 states and 1326 transitions. [2022-11-20 17:47:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1326 transitions. [2022-11-20 17:47:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-20 17:47:11,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:47:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:47:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat