./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC --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 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:08,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:08,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:08,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:08,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:08,726 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:08,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:08,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:08,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:08,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:08,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:08,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:08,732 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:08,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:08,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:08,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:08,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:08,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:08,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:08,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:08,737 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:08,737 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:08,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:08,738 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:08,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:08,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:08,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:08,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:08,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:08,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:08,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:08,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:08,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:08,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:08,743 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:08,744 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_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2023-11-23 20:17:09,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:09,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:09,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:09,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:09,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:09,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-23 20:17:12,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:12,608 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:12,608 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-11-23 20:17:12,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/data/090ccfc5f/29f33ff8c69c4c5f92e18465a3d9faa5/FLAGd118b1136 [2023-11-23 20:17:12,636 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/data/090ccfc5f/29f33ff8c69c4c5f92e18465a3d9faa5 [2023-11-23 20:17:12,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:12,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:12,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:12,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:12,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:12,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:12,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6e33eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12, skipping insertion in model container [2023-11-23 20:17:12,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:12,686 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:12,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:12,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:12,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:12,954 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:12,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12 WrapperNode [2023-11-23 20:17:12,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:12,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:12,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:12,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:12,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:12,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,034 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:17:13,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:13,036 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:13,036 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:13,036 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:13,046 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:13,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:13,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:13,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:13,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:12" (1/1) ... [2023-11-23 20:17:13,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:13,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:13,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8310c9-5296-4c8d-bf61-af5f20013c44/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:13,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:13,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:13,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:13,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:13,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:13,258 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:13,261 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:13,607 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:13,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:13,644 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:17:13,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:13 BoogieIcfgContainer [2023-11-23 20:17:13,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:13,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:13,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:13,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:13,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:13" (1/1) ... [2023-11-23 20:17:13,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:13,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:17:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:17:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:17:13,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:17:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:17:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:17:14,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:14,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:17:14,218 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:17:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:17:14,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:17:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:17:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:17:14,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:14,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:14,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:17:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:17:14,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:17:14,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:14,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-23 20:17:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-23 20:17:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:17:14,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:14,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:14,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:14,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-23 20:17:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-23 20:17:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:17:15,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:15,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:15,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-23 20:17:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-23 20:17:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:17:16,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:16,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-23 20:17:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-23 20:17:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:17,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:17,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:17,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:17,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:18,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-23 20:17:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-23 20:17:18,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:18,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:18,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:18,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:18,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:18,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-23 20:17:18,946 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-23 20:17:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:18,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:18,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:19,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:19,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-23 20:17:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-23 20:17:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:17:19,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:19,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:19,902 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 135 states and 238 transitions. [2023-11-23 20:17:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 238 transitions. [2023-11-23 20:17:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:17:19,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:19,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:19,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:19,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:20,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:21,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:21,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 146 states and 264 transitions. [2023-11-23 20:17:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 264 transitions. [2023-11-23 20:17:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:17:21,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:21,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:21,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:21,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:21,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:21,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 265 transitions. [2023-11-23 20:17:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 265 transitions. [2023-11-23 20:17:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:17:21,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:21,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:21,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 153 states and 276 transitions. [2023-11-23 20:17:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 276 transitions. [2023-11-23 20:17:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:23,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:23,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:23,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:23,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 303 transitions. [2023-11-23 20:17:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 303 transitions. [2023-11-23 20:17:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:25,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:25,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:25,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:25,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:27,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 173 states and 314 transitions. [2023-11-23 20:17:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 314 transitions. [2023-11-23 20:17:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:17:27,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:27,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:27,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:27,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:29,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 183 states and 337 transitions. [2023-11-23 20:17:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 337 transitions. [2023-11-23 20:17:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:17:29,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:29,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:29,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 184 states and 345 transitions. [2023-11-23 20:17:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 345 transitions. [2023-11-23 20:17:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:17:29,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:29,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:29,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:29,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:17:32,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 194 states and 370 transitions. [2023-11-23 20:17:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 370 transitions. [2023-11-23 20:17:32,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:17:32,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:32,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:32,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:17:32,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:32,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:17:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 205 states and 396 transitions. [2023-11-23 20:17:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 396 transitions. [2023-11-23 20:17:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:35,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:35,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:35,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:35,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 216 states and 425 transitions. [2023-11-23 20:17:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 425 transitions. [2023-11-23 20:17:38,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:38,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:38,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:38,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:38,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 220 states and 430 transitions. [2023-11-23 20:17:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 430 transitions. [2023-11-23 20:17:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:17:39,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:39,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:39,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:39,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:41,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 228 states and 456 transitions. [2023-11-23 20:17:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 456 transitions. [2023-11-23 20:17:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:17:41,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:41,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:41,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:41,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:42,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 232 states and 460 transitions. [2023-11-23 20:17:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 460 transitions. [2023-11-23 20:17:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:17:42,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:42,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:42,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:42,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:42,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:43,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 239 states and 480 transitions. [2023-11-23 20:17:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 480 transitions. [2023-11-23 20:17:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:17:43,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:43,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:43,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:43,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 252 states and 510 transitions. [2023-11-23 20:17:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 510 transitions. [2023-11-23 20:17:49,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:17:49,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:49,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:17:49,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 253 states and 511 transitions. [2023-11-23 20:17:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 511 transitions. [2023-11-23 20:17:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:17:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:49,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:49,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:51,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 261 states and 531 transitions. [2023-11-23 20:17:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 531 transitions. [2023-11-23 20:17:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:17:51,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:51,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:51,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:51,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:17:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 272 states and 556 transitions. [2023-11-23 20:17:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 556 transitions. [2023-11-23 20:17:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:17:53,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:17:53,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:53,836 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:17:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 276 states and 560 transitions. [2023-11-23 20:17:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 560 transitions. [2023-11-23 20:17:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:17:55,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:17:55,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:17:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:18:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:00,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 293 states and 595 transitions. [2023-11-23 20:18:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 595 transitions. [2023-11-23 20:18:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:18:00,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:00,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:00,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:18:00,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:18:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 303 states and 679 transitions. [2023-11-23 20:18:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 679 transitions. [2023-11-23 20:18:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:18:03,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:03,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:18:03,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.