./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.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_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/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_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/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_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/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 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:55,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:55,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:55,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:55,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:55,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:55,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:55,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:55,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:55,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:55,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:55,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:55,691 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:55,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:55,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:55,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:55,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:55,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:55,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:55,697 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:55,697 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:55,698 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:55,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:55,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:55,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:55,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:55,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:55,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:55,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:55,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:55,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:55,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:55,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:55,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:55,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:55,706 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_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 [2023-11-23 20:12:56,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:56,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:56,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:56,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:56,135 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:56,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2023-11-23 20:12:59,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:59,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:59,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2023-11-23 20:12:59,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/data/f7a71117c/f94efb1ee5b742a99d6792ff4ad5c6f9/FLAGac0f7b526 [2023-11-23 20:12:59,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/data/f7a71117c/f94efb1ee5b742a99d6792ff4ad5c6f9 [2023-11-23 20:12:59,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:59,840 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:59,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:59,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:59,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:59,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:59" (1/1) ... [2023-11-23 20:12:59,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f157b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:59, skipping insertion in model container [2023-11-23 20:12:59,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:59" (1/1) ... [2023-11-23 20:12:59,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:00,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:00,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:00,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:00,098 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:00,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00 WrapperNode [2023-11-23 20:13:00,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:00,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:00,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:00,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:00,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,139 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2023-11-23 20:13:00,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:00,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:00,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:00,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:00,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:00,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:00,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:00,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:00,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:00,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:00,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:00,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a73bbac-0794-48ee-b12e-c8aeec9e6e20/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:13:00,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:13:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:00,320 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:00,322 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:00,626 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:00,686 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:00,686 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:13:00,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:00 BoogieIcfgContainer [2023-11-23 20:13:00,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:00,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:00,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:00,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:00,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:00" (1/1) ... [2023-11-23 20:13:00,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:00,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2023-11-23 20:13:00,800 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-11-23 20:13:00,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:13:00,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:00,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:13:00,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 76 states and 80 transitions. [2023-11-23 20:13:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2023-11-23 20:13:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:13:01,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:01,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:01,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:13:01,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 79 transitions. [2023-11-23 20:13:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-11-23 20:13:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:13:01,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:01,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:01,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:13:01,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:01,566 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 20:13:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 80 transitions. [2023-11-23 20:13:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2023-11-23 20:13:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:13:01,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:01,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:02,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:13:02,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 80 states and 84 transitions. [2023-11-23 20:13:02,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2023-11-23 20:13:02,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:13:02,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:02,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:02,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:13:02,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 86 transitions. [2023-11-23 20:13:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2023-11-23 20:13:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:13:03,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:03,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:03,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:13:03,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 89 transitions. [2023-11-23 20:13:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2023-11-23 20:13:03,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:03,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:03,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:03,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:03,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:03,931 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 20:13:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 89 states and 98 transitions. [2023-11-23 20:13:04,899 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2023-11-23 20:13:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:13:04,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:04,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:04,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:05,045 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 20:13:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:05,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 96 states and 109 transitions. [2023-11-23 20:13:05,753 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2023-11-23 20:13:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:05,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:05,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:05,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:06,102 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 20:13:10,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:10,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 104 states and 122 transitions. [2023-11-23 20:13:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 122 transitions. [2023-11-23 20:13:10,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:10,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:10,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:13:10,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:10,921 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 20:13:18,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 113 states and 136 transitions. [2023-11-23 20:13:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2023-11-23 20:13:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:13:18,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:18,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:18,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:13:18,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:18,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 147 transitions. [2023-11-23 20:13:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2023-11-23 20:13:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:13:21,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:21,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:21,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:13:21,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 134 states and 160 transitions. [2023-11-23 20:13:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 160 transitions. [2023-11-23 20:13:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:24,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:24,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:24,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:24,481 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 20:13:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 165 transitions. [2023-11-23 20:13:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2023-11-23 20:13:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:13:24,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:24,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:24,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:24,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:24,652 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 20:13:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 151 states and 185 transitions. [2023-11-23 20:13:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2023-11-23 20:13:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:26,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:26,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:26,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:26,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:26,358 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 20:13:27,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 155 states and 192 transitions. [2023-11-23 20:13:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 192 transitions. [2023-11-23 20:13:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:27,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:27,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:27,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:27,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:27,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 170 states and 214 transitions. [2023-11-23 20:13:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 214 transitions. [2023-11-23 20:13:28,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:28,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:28,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:28,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:28,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:29,080 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 20:13:30,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 176 states and 225 transitions. [2023-11-23 20:13:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 225 transitions. [2023-11-23 20:13:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:30,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:30,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:30,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:30,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:30,773 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 20:13:31,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 179 states and 229 transitions. [2023-11-23 20:13:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 229 transitions. [2023-11-23 20:13:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:31,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:31,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:31,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:31,612 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 20:13:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 185 states and 239 transitions. [2023-11-23 20:13:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2023-11-23 20:13:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:33,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:33,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:33,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:33,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:33,282 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 20:13:34,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 189 states and 244 transitions. [2023-11-23 20:13:34,030 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 244 transitions. [2023-11-23 20:13:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:34,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:34,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:34,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:34,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:34,484 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 20:13:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:37,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 196 states and 255 transitions. [2023-11-23 20:13:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2023-11-23 20:13:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:37,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:37,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:37,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:40,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:40,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 203 states and 269 transitions. [2023-11-23 20:13:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 269 transitions. [2023-11-23 20:13:40,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:13:40,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:40,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:40,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:40,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.