./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm --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 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:07:33,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:07:34,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:07:34,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:07:34,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:07:34,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:07:34,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:07:34,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:07:34,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:07:34,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:07:34,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:07:34,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:07:34,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:07:34,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:07:34,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:07:34,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:34,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:07:34,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:07:34,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:07:34,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:07:34,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm 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 -> 56ae0381e0fc321a4bef875cc97d6a437c7ca54ffeb3bb010be2e47fa76c5a5f [2024-11-13 21:07:34,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:07:34,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:07:34,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:07:34,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:07:34,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:07:34,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_valuebound20.c Unable to find full path for "g++" [2024-11-13 21:07:36,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:07:36,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:07:36,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_valuebound20.c [2024-11-13 21:07:36,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/data/cd30e9a66/9af755a54085408eb79d421cbc7b9941/FLAGf45250316 [2024-11-13 21:07:36,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/data/cd30e9a66/9af755a54085408eb79d421cbc7b9941 [2024-11-13 21:07:36,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:07:36,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:07:36,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:36,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:07:36,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:07:36,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515cb1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36, skipping insertion in model container [2024-11-13 21:07:36,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:07:36,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:36,891 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:07:36,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:07:36,919 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:07:36,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36 WrapperNode [2024-11-13 21:07:36,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:07:36,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:36,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:07:36,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:07:36,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,953 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-13 21:07:36,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:07:36,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:07:36,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:07:36,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:07:36,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:07:36,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:07:36,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:07:36,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:07:36,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:07:36" (1/1) ... [2024-11-13 21:07:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:07:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:07:37,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:07:37,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6627f169-368a-405f-b581-fb8c2834da75/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:07:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:07:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:07:37,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:07:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:07:37,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:07:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:07:37,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:07:37,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:07:37,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:07:37,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:07:37,411 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2024-11-13 21:07:37,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:07:37,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:07:37,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:07:37,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:37 BoogieIcfgContainer [2024-11-13 21:07:37,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:07:37,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:07:37,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:07:37,468 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:07:37,468 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:07:37" (1/1) ... [2024-11-13 21:07:37,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:07:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2024-11-13 21:07:37,530 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2024-11-13 21:07:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:07:37,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:37,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:37,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2024-11-13 21:07:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2024-11-13 21:07:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:07:37,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:37,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:37,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:37,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-11-13 21:07:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-13 21:07:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:07:37,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:37,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:37,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:37,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:37,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-11-13 21:07:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-13 21:07:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:07:37,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:37,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:38,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:38,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 63 states and 66 transitions. [2024-11-13 21:07:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-13 21:07:38,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:07:38,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:38,187 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2024-11-13 21:07:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 64 states and 67 transitions. [2024-11-13 21:07:38,215 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2024-11-13 21:07:38,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:07:38,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:38,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:38,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:07:38,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2024-11-13 21:07:38,454 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2024-11-13 21:07:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:07:38,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:38,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:38,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2024-11-13 21:07:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2024-11-13 21:07:38,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:07:38,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:39,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2024-11-13 21:07:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2024-11-13 21:07:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:07:39,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:39,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 89 transitions. [2024-11-13 21:07:39,644 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 89 transitions. [2024-11-13 21:07:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:07:39,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:39,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:39,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 83 states and 94 transitions. [2024-11-13 21:07:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2024-11-13 21:07:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:07:39,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2024-11-13 21:07:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2024-11-13 21:07:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:07:40,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:40,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:07:40,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:40,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:40,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 96 states and 114 transitions. [2024-11-13 21:07:40,856 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2024-11-13 21:07:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:07:40,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:40,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:40,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:40,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:40,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 115 transitions. [2024-11-13 21:07:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2024-11-13 21:07:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:07:40,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:40,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 98 states and 117 transitions. [2024-11-13 21:07:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 117 transitions. [2024-11-13 21:07:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:07:41,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:41,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:43,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 101 states and 121 transitions. [2024-11-13 21:07:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 121 transitions. [2024-11-13 21:07:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:07:43,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:43,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:43,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:07:43,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:44,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 103 states and 124 transitions. [2024-11-13 21:07:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2024-11-13 21:07:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:07:44,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:50,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:07:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2024-11-13 21:07:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2024-11-13 21:07:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:07:51,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:51,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:51,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:07:51,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:07:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:54,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 145 transitions. [2024-11-13 21:07:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2024-11-13 21:07:54,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:07:54,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:54,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:54,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:54,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 144 transitions. [2024-11-13 21:07:54,636 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2024-11-13 21:07:54,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:07:54,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:54,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:54,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 164 transitions. [2024-11-13 21:07:56,850 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 164 transitions. [2024-11-13 21:07:56,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:07:56,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:07:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:07:59,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 134 states and 165 transitions. [2024-11-13 21:07:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 165 transitions. [2024-11-13 21:07:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:07:59,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:07:59,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:07:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:07:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:07:59,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:07:59,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 149 states and 183 transitions. [2024-11-13 21:08:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 183 transitions. [2024-11-13 21:08:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:08:02,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:02,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:02,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:08:02,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:03,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:08:09,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:09,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 168 states and 210 transitions. [2024-11-13 21:08:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 210 transitions. [2024-11-13 21:08:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:08:09,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:09,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:09,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:08:09,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:10,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 218 transitions. [2024-11-13 21:08:11,602 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2024-11-13 21:08:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:08:11,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:11,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:08:11,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:08:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:14,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 177 states and 226 transitions. [2024-11-13 21:08:14,388 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 226 transitions. [2024-11-13 21:08:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:08:14,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:14,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:14,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:08:14,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:08:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 179 states and 228 transitions. [2024-11-13 21:08:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2024-11-13 21:08:16,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:08:16,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:16,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:20,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 180 states and 230 transitions. [2024-11-13 21:08:23,894 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 230 transitions. [2024-11-13 21:08:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 21:08:23,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:23,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:23,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:08:23,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:34,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 237 transitions. [2024-11-13 21:08:34,133 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2024-11-13 21:08:34,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:08:34,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:34,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:34,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:08:34,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:35,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 187 states and 238 transitions. [2024-11-13 21:08:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2024-11-13 21:08:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:08:35,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:35,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:35,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:08:35,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:08:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 189 states and 240 transitions. [2024-11-13 21:08:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2024-11-13 21:08:36,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:08:36,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:36,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:08:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:41,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 207 states and 271 transitions. [2024-11-13 21:08:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 271 transitions. [2024-11-13 21:08:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:08:41,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:41,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:41,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 21:08:41,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:08:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 210 states and 280 transitions. [2024-11-13 21:08:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 280 transitions. [2024-11-13 21:08:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:08:42,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:42,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:08:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 221 states and 294 transitions. [2024-11-13 21:08:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 294 transitions. [2024-11-13 21:08:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:08:46,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:46,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:08:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 240 states and 331 transitions. [2024-11-13 21:08:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 331 transitions. [2024-11-13 21:08:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:08:52,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:52,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:08:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:52,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:08:52,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:08:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:08:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:55,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 249 states and 347 transitions. [2024-11-13 21:08:55,278 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2024-11-13 21:08:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:08:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:55,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:08:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:08:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 260 states and 360 transitions. [2024-11-13 21:08:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 360 transitions. [2024-11-13 21:08:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:08:56,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:08:56,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:08:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:09:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:03,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 262 states and 363 transitions. [2024-11-13 21:09:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 363 transitions. [2024-11-13 21:09:03,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:09:03,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:03,162 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:09:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:09:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 264 states and 367 transitions. [2024-11-13 21:09:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 367 transitions. [2024-11-13 21:09:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:09:16,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:09:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:09:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:09:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:09:16,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:09:16,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:09:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:17:38,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:17:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 278 states and 391 transitions. [2024-11-13 21:17:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 391 transitions. [2024-11-13 21:17:38,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:17:38,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:38,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:17:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:38,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:17:38,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:17:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:18:21,215 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification. DAG size of input: 27 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:18:53,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:20:06,573 WARN L286 SmtUtils]: Spent 30.22s on a formula simplification. DAG size of input: 23 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:21:38,322 WARN L286 SmtUtils]: Spent 40.17s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:21:48,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 21:21:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 281 states and 397 transitions. [2024-11-13 21:21:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 397 transitions. [2024-11-13 21:21:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:21:48,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:48,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:21:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:48,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:21:48,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:21:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:22:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 288 states and 403 transitions. [2024-11-13 21:22:04,891 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 403 transitions. [2024-11-13 21:22:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:22:04,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:04,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:22:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:04,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:22:04,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:22:06,377 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:22:18,706 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)