./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b --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 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:06,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:06,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:06:06,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:06:06,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:06:06,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:06,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:06,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:06,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:06,924 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:06,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:06,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:06,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:06,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:06,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:06,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:06:06,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:06:06,926 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_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b 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 -> 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 [2024-12-06 02:06:07,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:07,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:07,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:07,176 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:07,176 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:07,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2024-12-06 02:06:09,883 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/data/603d76d23/66d597c5705743b99b23a489eb2623ee/FLAG469438bf4 [2024-12-06 02:06:10,048 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:10,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2024-12-06 02:06:10,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/data/603d76d23/66d597c5705743b99b23a489eb2623ee/FLAG469438bf4 [2024-12-06 02:06:10,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/data/603d76d23/66d597c5705743b99b23a489eb2623ee [2024-12-06 02:06:10,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:10,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:10,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:10,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:10,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:10,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c66aa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10, skipping insertion in model container [2024-12-06 02:06:10,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,097 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:10,249 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_d21c8277-1b6e-4088-9c44-b7039b983c28/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-12-06 02:06:10,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:10,290 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:10,301 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_d21c8277-1b6e-4088-9c44-b7039b983c28/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2024-12-06 02:06:10,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:10,333 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:10,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10 WrapperNode [2024-12-06 02:06:10,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:10,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:10,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:10,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:10,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,369 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-12-06 02:06:10,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:10,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:10,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:10,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:10,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:10,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:10,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:10,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:10,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:10,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d21c8277-1b6e-4088-9c44-b7039b983c28/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:06:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:06:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:06:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:10,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:06:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:06:10,502 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:10,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:06:10,692 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:06:10,693 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:06:10,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:06:10,733 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 02:06:10,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:10 BoogieIcfgContainer [2024-12-06 02:06:10,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:06:10,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:06:10,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:06:10,743 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:06:10,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:10" (1/1) ... [2024-12-06 02:06:10,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:06:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:10,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-12-06 02:06:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-06 02:06:10,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:06:10,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:11,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:06:21,390 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 [] [2024-12-06 02:06:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-12-06 02:06:21,480 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-06 02:06:21,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:06:21,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:21,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:06:22,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 02:06:22,169 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 02:06:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:06:22,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:22,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:06:22,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:06:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 02:06:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 02:06:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:06:22,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:22,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:22,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:06:22,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:06:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-12-06 02:06:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-06 02:06:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:06:23,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:23,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:06:23,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:23,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:06:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2024-12-06 02:06:24,573 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-12-06 02:06:24,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:06:24,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:24,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:06:24,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:24,677 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:06:25,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:25,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-12-06 02:06:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-06 02:06:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:06:25,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:25,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:06:25,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:06:35,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:06:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2024-12-06 02:06:36,310 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2024-12-06 02:06:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:06:36,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:06:36,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-06 02:06:59,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:06:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2024-12-06 02:06:59,817 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2024-12-06 02:06:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:06:59,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:59,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:06:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:59,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:06:59,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 02:07:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2024-12-06 02:07:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2024-12-06 02:07:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:07:00,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:00,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:00,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:00,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:07:00,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 02:07:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 45 states and 91 transitions. [2024-12-06 02:07:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 91 transitions. [2024-12-06 02:07:00,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:07:00,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:00,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 02:07:04,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:07:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:04,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 95 transitions. [2024-12-06 02:07:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2024-12-06 02:07:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:07:04,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:04,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:04,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:07:04,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 02:07:16,346 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 [] [2024-12-06 02:07:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:16,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 105 transitions. [2024-12-06 02:07:16,366 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 105 transitions. [2024-12-06 02:07:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:07:16,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:16,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:07:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 111 transitions. [2024-12-06 02:07:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2024-12-06 02:07:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 02:07:17,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:07:31,546 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:07:52,286 WARN L286 SmtUtils]: Spent 20.46s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:08:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 62 states and 129 transitions. [2024-12-06 02:08:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-12-06 02:08:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:08:44,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:44,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:09:11,039 WARN L286 SmtUtils]: Spent 20.75s on a formula simplification. DAG size of input: 67 DAG size of output: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:09:42,469 WARN L286 SmtUtils]: Spent 30.67s on a formula simplification. DAG size of input: 69 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:10:04,595 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:10:08,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:10:18,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:10:25,294 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 57 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:10:57,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:11:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 70 states and 148 transitions. [2024-12-06 02:11:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2024-12-06 02:11:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:11:01,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:11:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:11:23,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:12:42,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:13:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 79 states and 171 transitions. [2024-12-06 02:13:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 171 transitions. [2024-12-06 02:13:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:13:03,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:13:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:09,252 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:13:30,683 WARN L286 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:14:15,865 WARN L286 SmtUtils]: Spent 10.50s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:14:17,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:14:23,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:14:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 88 states and 196 transitions. [2024-12-06 02:14:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 196 transitions. [2024-12-06 02:14:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:14:31,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:31,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:14:31,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-06 02:14:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:33,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 93 states and 207 transitions. [2024-12-06 02:14:33,755 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 207 transitions. [2024-12-06 02:14:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:14:33,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:15:46,356 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 114 DAG size of output: 114 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:16:09,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:16:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 102 states and 229 transitions. [2024-12-06 02:16:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 229 transitions. [2024-12-06 02:16:09,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:16:09,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:16:09,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:16:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:16:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:16:10,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:16:10,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:16:14,112 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 02:16:45,633 WARN L286 SmtUtils]: Spent 30.89s on a formula simplification. DAG size of input: 55 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:17:10,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:18:18,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:18:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 107 states and 241 transitions. [2024-12-06 02:18:18,945 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 241 transitions. [2024-12-06 02:18:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:18:18,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:18:18,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:18:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:18:31,308 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:18:42,156 WARN L286 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:18:51,289 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:19:11,112 WARN L286 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:19:51,253 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 133 DAG size of output: 133 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:20:11,053 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:20:21,058 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 [] [2024-12-06 02:20:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:20:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 116 states and 258 transitions. [2024-12-06 02:20:40,347 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 258 transitions. [2024-12-06 02:20:40,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:20:40,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:20:40,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:20:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:20:51,346 WARN L286 SmtUtils]: Spent 10.45s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 02:20:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 02:21:04,845 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 [] [2024-12-06 02:21:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 117 states and 260 transitions. [2024-12-06 02:21:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 260 transitions. [2024-12-06 02:21:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 02:21:05,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:05,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 22 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked.