./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:56,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:56,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:56,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:56,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:56,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:56,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:56,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:56,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:56,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:56,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:56,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:56,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:56,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:56,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:56,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:56,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:56,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:56,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:56,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:56,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:56,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:56,923 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:56,924 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:56,924 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:56,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:56,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:56,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:56,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:56,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:56,929 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:56,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:56,929 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:56,930 INFO L153 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_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf57d72e341b105161cbeacf29e58db93d2b67f8e0e097e4dbed74551cbdcfff [2023-11-19 03:59:57,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:57,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:57,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:57,298 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:57,299 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:57,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2023-11-19 04:00:00,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:00,527 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:00,528 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2023-11-19 04:00:00,535 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/data/4288a82d4/797de71ae6ad4456980000e858b4b88f/FLAGffd064912 [2023-11-19 04:00:00,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/data/4288a82d4/797de71ae6ad4456980000e858b4b88f [2023-11-19 04:00:00,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:00,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:00,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:00,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:00,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:00,563 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2057f710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00, skipping insertion in model container [2023-11-19 04:00:00,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,588 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:00,785 WARN L240 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_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2023-11-19 04:00:00,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:00,823 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:00,839 WARN L240 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_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/sv-benchmarks/c/nla-digbench/cohencu-ll.c[588,601] [2023-11-19 04:00:00,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:00,883 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:00,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00 WrapperNode [2023-11-19 04:00:00,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:00,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:00,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:00,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:00,893 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,918 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2023-11-19 04:00:00,920 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:00,921 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:00,921 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:00,921 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:00,928 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:00,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:00,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:00,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:00,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:00" (1/1) ... [2023-11-19 04:00:00,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:00,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:00,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:01,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c003ed5d-4cce-4251-b0c7-5f3ce9bfe8da/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:01,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:01,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:00:01,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:00:01,101 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:01,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:01,251 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:01,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:01,275 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:00:01,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:01 BoogieIcfgContainer [2023-11-19 04:00:01,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:01,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:01,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:01,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:01,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:01" (1/1) ... [2023-11-19 04:00:01,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 04:00:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 04:00:01,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:01,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:01,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 04:00:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 04:00:01,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:01,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:01,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:01,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-19 04:00:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-19 04:00:02,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:00:02,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:02,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:02,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:02,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 52 transitions. [2023-11-19 04:00:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-19 04:00:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:00:02,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:02,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:02,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:02,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:00:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:02,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 61 transitions. [2023-11-19 04:00:02,743 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-11-19 04:00:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:00:02,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:02,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:02,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:02,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:02,902 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:00:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 66 transitions. [2023-11-19 04:00:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2023-11-19 04:00:03,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:00:03,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:03,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:03,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 69 transitions. [2023-11-19 04:00:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2023-11-19 04:00:03,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:00:03,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:03,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:03,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 04:00:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:03,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 79 transitions. [2023-11-19 04:00:03,746 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2023-11-19 04:00:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:00:03,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:03,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:00:03,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:00:04,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 89 transitions. [2023-11-19 04:00:04,011 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 89 transitions. [2023-11-19 04:00:04,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 04:00:04,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:00:04,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 04:00:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 48 states and 97 transitions. [2023-11-19 04:00:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2023-11-19 04:00:04,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:00:04,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:04,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 04:00:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 105 transitions. [2023-11-19 04:00:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2023-11-19 04:00:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:00:04,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:04,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:00:04,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:00:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:06,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 44 states and 83 transitions. [2023-11-19 04:00:06,070 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2023-11-19 04:00:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 04:00:06,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:06,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:06,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:06,194 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:00:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 46 states and 87 transitions. [2023-11-19 04:00:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-19 04:00:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 04:00:06,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:06,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:06,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 04:00:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:06,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 47 states and 89 transitions. [2023-11-19 04:00:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2023-11-19 04:00:06,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 04:00:06,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:06,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:06,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:00:06,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 04:00:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 48 states and 91 transitions. [2023-11-19 04:00:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 91 transitions. [2023-11-19 04:00:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 04:00:07,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:07,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:07,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 04:00:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:07,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 49 states and 93 transitions. [2023-11-19 04:00:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2023-11-19 04:00:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 04:00:07,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:07,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:07,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:00:07,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:00:07,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:07,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 50 states and 95 transitions. [2023-11-19 04:00:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-19 04:00:07,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 04:00:07,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:07,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:07,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 04:00:08,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:08,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 52 states and 100 transitions. [2023-11-19 04:00:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-19 04:00:08,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 04:00:08,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:08,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:08,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 04:00:08,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-19 04:00:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:10,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 68 states and 131 transitions. [2023-11-19 04:00:10,472 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2023-11-19 04:00:10,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 04:00:10,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:10,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:10,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:00:10,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 04:00:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 71 states and 137 transitions. [2023-11-19 04:00:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-19 04:00:11,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:00:11,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:11,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:11,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:00:11,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:12,117 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 04:00:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 72 states and 141 transitions. [2023-11-19 04:00:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 04:00:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 04:00:12,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:12,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:00:12,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:13,227 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 04:00:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 149 transitions. [2023-11-19 04:00:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2023-11-19 04:00:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:00:14,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:14,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:14,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:00:14,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 54 proven. 45 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2023-11-19 04:00:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 78 states and 153 transitions. [2023-11-19 04:00:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2023-11-19 04:00:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 04:00:15,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:15,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:00:15,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 04:00:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 155 transitions. [2023-11-19 04:00:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2023-11-19 04:00:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:00:16,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:16,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:16,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:16,666 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-19 04:00:17,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:17,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 80 states and 156 transitions. [2023-11-19 04:00:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 156 transitions. [2023-11-19 04:00:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:00:17,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:17,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:17,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:00:17,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-19 04:00:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 81 states and 158 transitions. [2023-11-19 04:00:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 158 transitions. [2023-11-19 04:00:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 04:00:17,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:17,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:17,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-19 04:00:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 83 states and 161 transitions. [2023-11-19 04:00:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 161 transitions. [2023-11-19 04:00:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 04:00:19,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:19,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:19,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:00:19,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-19 04:00:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:20,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 166 transitions. [2023-11-19 04:00:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 166 transitions. [2023-11-19 04:00:20,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 04:00:20,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:20,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:20,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:20,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 32 proven. 21 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 04:00:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 86 states and 167 transitions. [2023-11-19 04:00:22,182 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2023-11-19 04:00:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 04:00:22,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:22,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:22,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:00:22,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-19 04:00:23,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 89 states and 172 transitions. [2023-11-19 04:00:23,847 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 172 transitions. [2023-11-19 04:00:23,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 04:00:23,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:23,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:23,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 04:00:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 90 states and 176 transitions. [2023-11-19 04:00:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 176 transitions. [2023-11-19 04:00:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 04:00:25,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:25,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:25,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:00:25,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 04:00:26,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 91 states and 178 transitions. [2023-11-19 04:00:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 178 transitions. [2023-11-19 04:00:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 04:00:26,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:26,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:27,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:00:27,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:27,642 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 04:00:28,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 93 states and 182 transitions. [2023-11-19 04:00:28,513 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2023-11-19 04:00:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 04:00:28,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:28,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:00:28,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 04:00:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 94 states and 184 transitions. [2023-11-19 04:00:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 184 transitions. [2023-11-19 04:00:29,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-19 04:00:29,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:29,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-19 04:00:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 95 states and 186 transitions. [2023-11-19 04:00:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 186 transitions. [2023-11-19 04:00:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 04:00:30,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:30,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:30,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:00:30,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 40 proven. 42 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-19 04:00:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 97 states and 191 transitions. [2023-11-19 04:00:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 191 transitions. [2023-11-19 04:00:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-19 04:00:31,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:31,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 04:00:31,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 04:00:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 98 states and 192 transitions. [2023-11-19 04:00:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2023-11-19 04:00:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 04:00:34,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:34,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:00:34,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 41 proven. 115 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-19 04:00:36,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:36,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 101 states and 197 transitions. [2023-11-19 04:00:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2023-11-19 04:00:36,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 04:00:36,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:36,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:36,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:36,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 44 proven. 42 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:00:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 116 states and 225 transitions. [2023-11-19 04:00:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2023-11-19 04:00:40,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-19 04:00:40,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:40,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:40,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 04:00:40,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 44 proven. 58 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:00:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 233 transitions. [2023-11-19 04:00:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2023-11-19 04:00:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 04:00:42,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:42,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:42,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:00:42,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 46 proven. 42 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:00:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 122 states and 237 transitions. [2023-11-19 04:00:45,652 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 237 transitions. [2023-11-19 04:00:45,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 04:00:45,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:45,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 04:00:45,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:00:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:47,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 123 states and 239 transitions. [2023-11-19 04:00:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 239 transitions. [2023-11-19 04:00:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 04:00:47,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:47,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:47,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:00:47,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 48 proven. 66 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-19 04:00:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 124 states and 241 transitions. [2023-11-19 04:00:49,128 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2023-11-19 04:00:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 04:00:49,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:49,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:49,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:49,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 50 proven. 70 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:00:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 126 states and 246 transitions. [2023-11-19 04:00:50,398 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 246 transitions. [2023-11-19 04:00:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 04:00:50,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:50,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-19 04:00:50,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:51,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 51 proven. 146 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked.