./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/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_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:49,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:49,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:24:49,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:49,879 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:49,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:49,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:49,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:49,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:49,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:49,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:49,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:49,907 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:49,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:49,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:49,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:49,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:49,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:49,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:49,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:24:49,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:24:49,912 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:49,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:49,913 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:49,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:49,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:49,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:49,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:49,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:49,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:49,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:49,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:49,917 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:49,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:49,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:49,918 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_25f7266b-902e-475b-a2a4-eb8666c27ab5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 [2023-11-19 03:24:50,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:50,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:50,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:50,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:50,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:50,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2023-11-19 03:24:53,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:53,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:53,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2023-11-19 03:24:53,518 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/data/4fe356b78/18255f32d32348588feed12a5701f5ec/FLAGb8f61a5ce [2023-11-19 03:24:53,533 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/data/4fe356b78/18255f32d32348588feed12a5701f5ec [2023-11-19 03:24:53,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:53,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:53,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:53,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:53,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:53,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2097d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53, skipping insertion in model container [2023-11-19 03:24:53,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,579 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:53,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:53,770 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:53,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:53,802 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:53,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53 WrapperNode [2023-11-19 03:24:53,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:53,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:53,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:53,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:53,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,862 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-19 03:24:53,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:53,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:53,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:53,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:53,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,887 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:53,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:53,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:53,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:53,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:53" (1/1) ... [2023-11-19 03:24:53,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:53,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:53,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25f7266b-902e-475b-a2a4-eb8666c27ab5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:54,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:54,044 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:54,409 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:54,466 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:54,471 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:24:54,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:54 BoogieIcfgContainer [2023-11-19 03:24:54,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:54,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:54,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:54,492 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:54,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:54" (1/1) ... [2023-11-19 03:24:54,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 03:24:54,568 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 03:24:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:24:54,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:54,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:54,830 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 03:24:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:54,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 03:24:54,876 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 03:24:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:24:54,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:54,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:54,994 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 03:24:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2023-11-19 03:24:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2023-11-19 03:24:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:55,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:55,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:55,170 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 03:24:55,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:55,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-19 03:24:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-19 03:24:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:24:55,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:55,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:24:55,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:55,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-19 03:24:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-19 03:24:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:24:55,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:55,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:24:55,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:55,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:24:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2023-11-19 03:24:55,878 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2023-11-19 03:24:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:24:55,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:55,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:55,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:24:55,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:24:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 98 states and 123 transitions. [2023-11-19 03:24:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-19 03:24:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:24:56,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:56,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:56,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:24:56,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:56,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:24:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2023-11-19 03:24:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2023-11-19 03:24:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:24:57,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:57,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:57,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:24:57,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:24:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:59,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 118 states and 180 transitions. [2023-11-19 03:24:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 180 transitions. [2023-11-19 03:24:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:24:59,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:59,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:59,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:24:59,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 129 states and 226 transitions. [2023-11-19 03:25:01,029 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 226 transitions. [2023-11-19 03:25:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:25:01,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:01,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:01,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 134 states and 238 transitions. [2023-11-19 03:25:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 238 transitions. [2023-11-19 03:25:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:25:01,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:01,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:01,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:01,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2023-11-19 03:25:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2023-11-19 03:25:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:25:02,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:02,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:25:02,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 152 states and 304 transitions. [2023-11-19 03:25:04,347 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 304 transitions. [2023-11-19 03:25:04,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:25:04,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:04,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:04,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:04,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 165 states and 333 transitions. [2023-11-19 03:25:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 333 transitions. [2023-11-19 03:25:06,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:25:06,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:06,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:07,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:07,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:07,031 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 166 states and 334 transitions. [2023-11-19 03:25:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 334 transitions. [2023-11-19 03:25:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:25:07,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:07,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:25:07,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:07,133 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 180 states and 390 transitions. [2023-11-19 03:25:09,571 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 390 transitions. [2023-11-19 03:25:09,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:25:09,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:09,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:09,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:09,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:12,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 193 states and 418 transitions. [2023-11-19 03:25:12,741 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 418 transitions. [2023-11-19 03:25:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:25:12,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:12,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:12,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:12,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 200 states and 429 transitions. [2023-11-19 03:25:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 429 transitions. [2023-11-19 03:25:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:25:14,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:14,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:14,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 214 states and 455 transitions. [2023-11-19 03:25:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 455 transitions. [2023-11-19 03:25:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:25:18,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:18,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:18,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:25:18,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 222 states and 477 transitions. [2023-11-19 03:25:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 477 transitions. [2023-11-19 03:25:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:25:19,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:19,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:19,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:19,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:22,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 232 states and 504 transitions. [2023-11-19 03:25:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 504 transitions. [2023-11-19 03:25:22,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:25:22,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:22,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:22,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:25:22,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:25:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 243 states and 532 transitions. [2023-11-19 03:25:25,877 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 532 transitions. [2023-11-19 03:25:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:25:25,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:25,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:25,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:25,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:26,258 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 257 states and 573 transitions. [2023-11-19 03:25:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 573 transitions. [2023-11-19 03:25:29,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:25:29,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:29,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:29,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:29,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:31,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 265 states and 607 transitions. [2023-11-19 03:25:31,824 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 607 transitions. [2023-11-19 03:25:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:25:31,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:31,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:31,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:33,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 271 states and 634 transitions. [2023-11-19 03:25:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 634 transitions. [2023-11-19 03:25:33,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:25:33,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:33,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:33,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:33,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:37,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 284 states and 672 transitions. [2023-11-19 03:25:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 672 transitions. [2023-11-19 03:25:37,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:25:37,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:37,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:37,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:37,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:37,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 285 states and 673 transitions. [2023-11-19 03:25:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 673 transitions. [2023-11-19 03:25:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:25:37,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:37,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:37,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:25:37,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:38,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 294 states and 702 transitions. [2023-11-19 03:25:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 702 transitions. [2023-11-19 03:25:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:25:38,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:38,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:38,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:25:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 305 states and 737 transitions. [2023-11-19 03:25:41,569 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 737 transitions. [2023-11-19 03:25:41,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:25:41,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:41,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:41,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:41,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:41,724 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:25:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:42,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 314 states and 766 transitions. [2023-11-19 03:25:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 766 transitions. [2023-11-19 03:25:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:25:42,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:42,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:42,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:42,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:42,935 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.