./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/dijkstra-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/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_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/dijkstra-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:25:44,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:25:44,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:25:44,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:25:44,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:25:44,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:25:44,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:25:44,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:25:44,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:25:44,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:25:44,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:25:44,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:25:44,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:25:44,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:25:44,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:25:44,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:25:44,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:25:44,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:25:44,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:25:44,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:25:44,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:44,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:25:44,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:25:45,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:25:45,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:25:45,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:25:45,001 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_c043dcf0-9e91-489d-9fca-595bc517ba38/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b586a178399b4c0df2fdcb66faa06566663e0a18b90a5f0ce0551810014ff769 [2024-11-13 21:25:45,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:25:45,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:25:45,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:25:45,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:25:45,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:25:45,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench/dijkstra-u.c Unable to find full path for "g++" [2024-11-13 21:25:47,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:25:47,637 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:25:47,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/sv-benchmarks/c/nla-digbench/dijkstra-u.c [2024-11-13 21:25:47,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/data/47bb87bf3/0f36f9e6aad146e2b853202c192e48ba/FLAG2d2ceeb33 [2024-11-13 21:25:47,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/data/47bb87bf3/0f36f9e6aad146e2b853202c192e48ba [2024-11-13 21:25:47,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:25:47,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:25:47,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:47,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:25:47,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:25:47,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:47" (1/1) ... [2024-11-13 21:25:47,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b251d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:47, skipping insertion in model container [2024-11-13 21:25:47,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:25:47" (1/1) ... [2024-11-13 21:25:47,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:25:47,977 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-11-13 21:25:48,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:48,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:25:48,066 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/sv-benchmarks/c/nla-digbench/dijkstra-u.c[525,538] [2024-11-13 21:25:48,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:25:48,103 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:25:48,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48 WrapperNode [2024-11-13 21:25:48,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:25:48,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:48,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:25:48,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:25:48,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,161 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-11-13 21:25:48,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:25:48,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:25:48,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:25:48,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:25:48,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,175 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,188 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:25:48,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:25:48,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:25:48,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:25:48,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:25:48,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:25:48,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:25:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c043dcf0-9e91-489d-9fca-595bc517ba38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:25:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:25:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:25:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:25:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:25:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:25:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:25:48,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:25:48,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:25:48,632 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:25:48,632 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:25:48,692 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:25:48,692 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:25:48,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:48 BoogieIcfgContainer [2024-11-13 21:25:48,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:25:48,694 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:25:48,694 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:25:48,708 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:25:48,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:25:48" (1/1) ... [2024-11-13 21:25:48,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:25:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:48,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 21:25:48,793 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 21:25:48,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:25:48,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:48,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 21:25:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 21:25:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:25:49,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:49,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:50,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:50,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-11-13 21:25:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-11-13 21:25:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:25:50,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:50,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:50,575 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 21:25:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-11-13 21:25:51,034 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-11-13 21:25:51,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:25:51,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:51,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:51,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:25:51,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2024-11-13 21:25:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2024-11-13 21:25:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:25:52,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:52,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:25:52,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:52,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:25:53,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2024-11-13 21:25:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2024-11-13 21:25:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:25:53,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:53,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:53,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:25:53,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:25:57,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:25:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:25:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-11-13 21:25:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-13 21:25:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:25:57,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:25:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:25:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:25:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:57,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:25:57,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:25:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:26:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2024-11-13 21:26:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2024-11-13 21:26:00,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:26:00,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:00,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:00,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:26:00,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:00,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:26:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2024-11-13 21:26:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2024-11-13 21:26:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:26:05,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:05,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 21:26:05,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:05,577 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:26:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:07,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 98 transitions. [2024-11-13 21:26:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2024-11-13 21:26:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:26:07,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:07,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:08,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:26:08,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:08,250 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:26:10,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 103 transitions. [2024-11-13 21:26:10,370 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2024-11-13 21:26:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:26:10,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:10,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:10,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:26:10,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:26:11,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 109 transitions. [2024-11-13 21:26:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2024-11-13 21:26:11,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:26:11,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:12,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:26:12,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:26:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:13,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 113 transitions. [2024-11-13 21:26:13,941 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2024-11-13 21:26:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:26:13,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:13,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:13,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:26:13,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 21:26:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 58 states and 112 transitions. [2024-11-13 21:26:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 112 transitions. [2024-11-13 21:26:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:26:15,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:15,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:15,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:26:15,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:26:25,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:26:25,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:25,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 117 transitions. [2024-11-13 21:26:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2024-11-13 21:26:25,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:26:25,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:25,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:26:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:25,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 21:26:25,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:26:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:26:37,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:26:47,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:26:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 121 transitions. [2024-11-13 21:26:47,759 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2024-11-13 21:26:47,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 21:26:47,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:47,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:26:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:27:10,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:27:11,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:11,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 64 states and 125 transitions. [2024-11-13 21:27:11,013 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2024-11-13 21:27:11,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:27:11,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:27:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:11,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:27:11,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:27:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 21:27:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 67 states and 135 transitions. [2024-11-13 21:27:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2024-11-13 21:27:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:27:14,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:27:56,848 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 [] [2024-11-13 21:27:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 142 transitions. [2024-11-13 21:27:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 142 transitions. [2024-11-13 21:27:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:27:56,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:28:51,919 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification. DAG size of input: 52 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:29:08,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:29:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:29:22,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 147 transitions. [2024-11-13 21:29:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2024-11-13 21:29:22,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:29:22,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:29:22,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:29:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:29:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:29:22,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:29:22,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:29:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 21:30:46,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:30:54,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:54,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 80 states and 158 transitions. [2024-11-13 21:30:54,305 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2024-11-13 21:30:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 21:30:54,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:31:43,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:31:45,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:32:48,519 WARN L286 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 68 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:33:01,451 WARN L286 SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 70 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:33:46,727 WARN L286 SmtUtils]: Spent 31.21s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:34:45,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:34:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 90 states and 176 transitions. [2024-11-13 21:34:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 176 transitions. [2024-11-13 21:34:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:34:46,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:46,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:46,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:34:46,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 21:35:30,050 WARN L286 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 58 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:36:19,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:36:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 96 states and 187 transitions. [2024-11-13 21:36:32,588 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2024-11-13 21:36:32,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:36:32,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:55,223 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:37:05,669 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 17 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:37:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 21:39:05,805 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 95 DAG size of output: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:40:05,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:40:27,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []