./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.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_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/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_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/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_17547dc5-6a5d-4d8d-b28f-b92d135df419/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 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:00:56,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:00:56,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:00:56,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:00:56,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:00:56,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:00:56,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:00:56,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:00:56,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:00:56,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:00:56,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:00:56,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:00:56,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:00:56,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:00:56,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:00:56,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:00:56,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:00:56,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:00:56,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:00:56,758 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_17547dc5-6a5d-4d8d-b28f-b92d135df419/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 -> 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 [2024-12-06 03:00:56,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:00:56,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:00:56,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:00:56,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:00:56,968 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:00:56,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2024-12-06 03:00:59,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/data/492b7d4c6/d0ba5890e35f4d20bf890b6b8de10b9e/FLAG7444771d8 [2024-12-06 03:00:59,805 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:00:59,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2024-12-06 03:00:59,812 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/data/492b7d4c6/d0ba5890e35f4d20bf890b6b8de10b9e/FLAG7444771d8 [2024-12-06 03:01:00,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/data/492b7d4c6/d0ba5890e35f4d20bf890b6b8de10b9e [2024-12-06 03:01:00,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:01:00,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:01:00,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:00,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:01:00,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:01:00,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae3040c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00, skipping insertion in model container [2024-12-06 03:01:00,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:01:00,325 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_17547dc5-6a5d-4d8d-b28f-b92d135df419/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2024-12-06 03:01:00,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:00,358 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:01:00,366 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_17547dc5-6a5d-4d8d-b28f-b92d135df419/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2024-12-06 03:01:00,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:00,392 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:01:00,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00 WrapperNode [2024-12-06 03:01:00,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:00,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:00,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:01:00,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:01:00,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,418 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-12-06 03:01:00,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:00,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:01:00,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:01:00,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:01:00,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,427 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,427 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,430 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:01:00,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:01:00,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:01:00,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:01:00,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:00,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:01:00,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:01:00,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17547dc5-6a5d-4d8d-b28f-b92d135df419/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:01:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:01:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:01:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:01:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:01:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:01:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:01:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:01:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:01:00,534 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:01:00,536 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:01:00,716 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 03:01:00,716 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:01:00,751 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:01:00,752 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 03:01:00,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:00 BoogieIcfgContainer [2024-12-06 03:01:00,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:01:00,753 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:01:00,753 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:01:00,761 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:01:00,761 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:00" (1/1) ... [2024-12-06 03:01:00,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:01:00,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-12-06 03:01:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-12-06 03:01:00,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:01:00,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:00,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:01,287 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 03:01:11,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:01:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2024-12-06 03:01:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-06 03:01:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:01:11,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:11,831 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 03:01:12,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:12,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 03:01:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 03:01:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 03:01:12,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:12,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:01:12,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:12,470 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 03:01:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2024-12-06 03:01:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2024-12-06 03:01:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:01:12,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:12,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 03:01:12,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:13,106 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:01:14,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 64 transitions. [2024-12-06 03:01:14,108 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-12-06 03:01:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 03:01:14,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:14,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:01:14,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:14,249 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 03:01:16,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:01:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:16,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 37 states and 72 transitions. [2024-12-06 03:01:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2024-12-06 03:01:16,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 03:01:16,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:16,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:16,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:01:16,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:16,750 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 03:01:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 39 states and 76 transitions. [2024-12-06 03:01:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-06 03:01:17,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:01:17,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:17,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:01:17,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:17,921 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 03:01:18,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 82 transitions. [2024-12-06 03:01:18,356 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2024-12-06 03:01:18,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 03:01:18,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:18,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:18,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:01:18,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:28,765 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 03:01:49,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:01:59,803 WARN L539 Checker$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 03:02:09,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:02:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 43 states and 88 transitions. [2024-12-06 03:02:09,895 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 88 transitions. [2024-12-06 03:02:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:09,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:09,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:02:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:09,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:02:09,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 03:02:20,090 WARN L539 Checker$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 03:02:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 44 states and 92 transitions. [2024-12-06 03:02:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2024-12-06 03:02:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:02:20,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:20,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:02:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:20,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:02:20,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:20,308 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 03:02:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 45 states and 93 transitions. [2024-12-06 03:02:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 93 transitions. [2024-12-06 03:02:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 03:02:40,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:40,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:42,470 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 03:02:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 97 transitions. [2024-12-06 03:02:44,056 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-12-06 03:02:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 03:02:44,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:44,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:02:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:44,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 03:02:44,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:44,239 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 03:02:49,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 03:02:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 107 transitions. [2024-12-06 03:02:49,071 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 107 transitions. [2024-12-06 03:02:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 03:02:49,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:49,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:49,348 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 03:02:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 53 states and 113 transitions. [2024-12-06 03:02:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2024-12-06 03:02:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 03:02:51,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:51,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:02:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:04,837 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 03:03:16,565 WARN L286 SmtUtils]: Spent 10.76s on a formula simplification. DAG size of input: 55 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:03:27,357 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:04:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:04:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 131 transitions. [2024-12-06 03:04:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2024-12-06 03:04:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:04:44,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:04:44,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:04:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:04:47,237 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 03:05:00,625 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 67 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:05:11,696 WARN L286 SmtUtils]: Spent 10.08s 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 03:05:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:31,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 70 states and 149 transitions. [2024-12-06 03:05:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2024-12-06 03:05:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 03:05:31,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:31,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:05:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:46,916 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 03:05:58,594 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 03:07:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 156 transitions. [2024-12-06 03:07:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 156 transitions. [2024-12-06 03:07:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:07:03,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:03,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:07:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:03,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:07:03,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:03,707 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 03:07:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:07:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 80 states and 167 transitions. [2024-12-06 03:07:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 167 transitions. [2024-12-06 03:07:06,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-06 03:07:06,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:07:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:07:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:07:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:07:06,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:07:06,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:07:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 03:07:25,580 WARN L286 SmtUtils]: Spent 11.70s 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 03:07:38,585 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:08:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 85 states and 179 transitions. [2024-12-06 03:08:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 179 transitions. [2024-12-06 03:08:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-06 03:08:07,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:07,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:08:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:08:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:07,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:08:07,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 36 proven. 13 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 03:08:37,555 WARN L286 SmtUtils]: Spent 22.62s on a formula simplification. DAG size of input: 59 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:08:51,446 WARN L286 SmtUtils]: Spent 11.82s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:09:21,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:21,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 90 states and 190 transitions. [2024-12-06 03:09:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 190 transitions. [2024-12-06 03:09:21,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:09:21,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:21,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:09:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:21,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:09:21,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:34,085 WARN L286 SmtUtils]: Spent 10.15s 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) [2024-12-06 03:09:44,680 WARN L286 SmtUtils]: Spent 10.58s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:10:05,725 WARN L286 SmtUtils]: Spent 20.80s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 03:10:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 03:11:45,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:12:04,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 93 states and 197 transitions. [2024-12-06 03:12:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 197 transitions. [2024-12-06 03:12:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 03:12:04,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:04,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:04,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 03:12:04,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 5 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-06 03:12:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:12:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 101 states and 214 transitions. [2024-12-06 03:12:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 214 transitions. [2024-12-06 03:12:42,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:12:42,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:12:42,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:12:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:12:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:12:42,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 03:12:42,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:12:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 35 proven. 21 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-12-06 03:13:23,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 03:13:31,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:13:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:13:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 104 states and 221 transitions. [2024-12-06 03:13:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 221 transitions. [2024-12-06 03:13:31,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 03:13:31,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:13:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:13:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:13:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:13:31,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:13:31,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:13:32,297 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 38 proven. 20 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-12-06 03:14:26,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:14:36,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 03:14:36,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:14:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 107 states and 228 transitions. [2024-12-06 03:14:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 228 transitions. [2024-12-06 03:14:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 03:14:36,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:14:36,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:14:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:14:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:14:36,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:14:36,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:14:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 21 proven. 25 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-12-06 03:16:09,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]