./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg --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 e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca --- 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-b5237d8 [2022-11-21 23:19:59,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:19:59,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:19:59,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:19:59,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:19:59,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:19:59,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:19:59,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:19:59,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:19:59,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:19:59,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:19:59,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:19:59,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:19:59,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:19:59,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:19:59,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:19:59,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:19:59,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:19:59,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:19:59,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:19:59,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:19:59,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:19:59,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:19:59,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:19:59,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:19:59,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:19:59,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:19:59,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:19:59,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:19:59,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:19:59,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:19:59,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:19:59,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:19:59,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:19:59,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:19:59,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:19:59,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:19:59,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:19:59,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:19:59,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:19:59,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:19:59,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 23:19:59,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:19:59,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:19:59,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:19:59,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:19:59,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:19:59,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:19:59,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:19:59,164 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:19:59,165 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:19:59,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:19:59,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:19:59,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:19:59,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:19:59,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:19:59,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:19:59,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:19:59,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:19:59,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:19:59,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:19:59,169 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:19:59,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:19:59,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:19:59,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:19:59,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:19:59,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:19:59,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:19:59,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:19:59,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:19:59,171 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_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5878b7d2af5fd4b66050c0dbed52215fb6ea8477622dc26391a98be7bc7f1ca [2022-11-21 23:19:59,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:19:59,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:19:59,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:19:59,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:19:59,540 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:19:59,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-11-21 23:20:02,676 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:20:02,922 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:20:02,923 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2022-11-21 23:20:02,935 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/data/a946d53c3/065e6e2093754e4f8536be450a2d4ea6/FLAG8ee4b19d2 [2022-11-21 23:20:02,954 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/data/a946d53c3/065e6e2093754e4f8536be450a2d4ea6 [2022-11-21 23:20:02,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:20:02,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:20:02,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:02,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:20:02,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:20:02,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:02" (1/1) ... [2022-11-21 23:20:02,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35669a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:02, skipping insertion in model container [2022-11-21 23:20:02,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:20:02" (1/1) ... [2022-11-21 23:20:02,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:20:03,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:20:03,241 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_c4399380-471e-4703-b9a1-eb78ed2e40ba/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-11-21 23:20:03,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:03,259 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:20:03,311 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_c4399380-471e-4703-b9a1-eb78ed2e40ba/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c[6117,6130] [2022-11-21 23:20:03,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:20:03,341 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:20:03,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03 WrapperNode [2022-11-21 23:20:03,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:20:03,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:03,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:20:03,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:20:03,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,403 INFO L138 Inliner]: procedures = 23, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 205 [2022-11-21 23:20:03,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:20:03,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:20:03,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:20:03,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:20:03,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:20:03,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:20:03,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:20:03,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:20:03,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:20:03" (1/1) ... [2022-11-21 23:20:03,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:20:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:20:03,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:20:03,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4399380-471e-4703-b9a1-eb78ed2e40ba/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:20:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:20:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:20:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:20:03,616 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:20:03,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:20:03,941 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:20:04,459 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:20:04,459 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:20:04,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:04 BoogieIcfgContainer [2022-11-21 23:20:04,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:20:04,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:20:04,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:20:04,475 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:20:04,476 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:20:04" (1/1) ... [2022-11-21 23:20:04,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:20:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-21 23:20:04,557 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-21 23:20:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:20:04,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:04,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:05,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:05,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-21 23:20:05,897 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-21 23:20:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:20:05,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:05,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:06,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:06,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-21 23:20:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-21 23:20:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:20:06,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:06,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-11-21 23:20:07,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-11-21 23:20:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:20:07,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:07,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-11-21 23:20:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-11-21 23:20:08,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:20:08,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:08,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-11-21 23:20:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-11-21 23:20:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:20:13,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:13,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:16,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2022-11-21 23:20:16,872 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2022-11-21 23:20:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:20:16,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:16,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2022-11-21 23:20:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2022-11-21 23:20:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:20:25,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:25,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:25,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2022-11-21 23:20:25,810 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-11-21 23:20:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:20:25,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:25,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:33,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 65 states and 134 transitions. [2022-11-21 23:20:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 134 transitions. [2022-11-21 23:20:33,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:33,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:33,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:34,592 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:36,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 146 transitions. [2022-11-21 23:20:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 146 transitions. [2022-11-21 23:20:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:36,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:36,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2022-11-21 23:20:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2022-11-21 23:20:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:41,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:41,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:41,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 77 states and 161 transitions. [2022-11-21 23:20:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 161 transitions. [2022-11-21 23:20:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:42,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:42,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 78 states and 161 transitions. [2022-11-21 23:20:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2022-11-21 23:20:43,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:43,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 176 transitions. [2022-11-21 23:20:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 176 transitions. [2022-11-21 23:20:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:48,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:48,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:20:57,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:20:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 99 states and 203 transitions. [2022-11-21 23:20:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2022-11-21 23:20:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:20:57,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:20:57,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:20:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:20:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 100 states and 207 transitions. [2022-11-21 23:21:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 207 transitions. [2022-11-21 23:21:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:21:00,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:00,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 101 states and 209 transitions. [2022-11-21 23:21:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 209 transitions. [2022-11-21 23:21:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:21:01,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:01,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-21 23:21:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 101 states and 208 transitions. [2022-11-21 23:21:02,274 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 208 transitions. [2022-11-21 23:21:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:21:02,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:02,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 127 states and 275 transitions. [2022-11-21 23:21:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 275 transitions. [2022-11-21 23:21:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:21:47,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:47,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:48,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 152 states and 351 transitions. [2022-11-21 23:22:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 351 transitions. [2022-11-21 23:22:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:22:48,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 175 states and 418 transitions. [2022-11-21 23:24:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 418 transitions. [2022-11-21 23:24:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:24:12,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 185 states and 441 transitions. [2022-11-21 23:24:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 441 transitions. [2022-11-21 23:24:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:24:23,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:23,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:26:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:08,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 210 states and 509 transitions. [2022-11-21 23:26:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 509 transitions. [2022-11-21 23:26:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:26:08,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:08,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:26:09,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:26:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 211 states and 515 transitions. [2022-11-21 23:26:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 515 transitions. [2022-11-21 23:26:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:26:11,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:11,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:26:11,791 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:26:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 218 states and 532 transitions. [2022-11-21 23:26:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 532 transitions. [2022-11-21 23:26:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:26:28,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:26:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:26:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:26:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 219 states and 539 transitions. [2022-11-21 23:26:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 539 transitions. [2022-11-21 23:26:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:26:30,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:26:30,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:26:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:26:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:27:59,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:27:59,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 236 states and 588 transitions. [2022-11-21 23:27:59,588 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 588 transitions. [2022-11-21 23:27:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-21 23:27:59,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:27:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:27:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:28:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:29:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 252 states and 630 transitions. [2022-11-21 23:29:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 630 transitions. [2022-11-21 23:29:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:29:17,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:29:50,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:29:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 260 states and 654 transitions. [2022-11-21 23:29:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 654 transitions. [2022-11-21 23:29:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:29:50,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:29:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:29:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:29:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:30:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:30:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 274 states and 719 transitions. [2022-11-21 23:30:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 719 transitions. [2022-11-21 23:30:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:30:49,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:30:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:30:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:30:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:31:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:31:53,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 287 states and 782 transitions. [2022-11-21 23:31:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 782 transitions. [2022-11-21 23:31:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:31:53,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:31:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:31:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:31:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:33:01,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 301 states and 851 transitions. [2022-11-21 23:33:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 851 transitions. [2022-11-21 23:33:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:33:01,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:01,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:02,237 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 17 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:33:08,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 303 states and 861 transitions. [2022-11-21 23:33:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 861 transitions. [2022-11-21 23:33:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:33:08,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:08,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:33:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:33:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 311 states and 886 transitions. [2022-11-21 23:33:51,215 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 886 transitions. [2022-11-21 23:33:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 23:33:51,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:33:51,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:33:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:33:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.