./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:33:38,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:33:38,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:33:38,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:33:38,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:33:38,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:33:38,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:33:38,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:33:38,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:33:38,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:33:38,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:33:38,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:33:38,644 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:33:38,644 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:33:38,645 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:33:38,645 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:33:38,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:33:38,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:38,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:33:38,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:33:38,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:33:38,646 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:33:38,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:33:38,646 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_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74bed2c5921e53f16e234cbc0a2deaaf4b0b51c6cc3f20bfab2fd33a0fce7ecf [2024-11-13 21:33:38,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:33:38,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:33:38,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:33:38,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:33:38,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:33:38,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c Unable to find full path for "g++" [2024-11-13 21:33:41,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:33:41,253 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:33:41,253 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c [2024-11-13 21:33:41,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/data/324da57de/07d93aff6469451baed48836b0f1ed1d/FLAGca8c76622 [2024-11-13 21:33:41,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/data/324da57de/07d93aff6469451baed48836b0f1ed1d [2024-11-13 21:33:41,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:33:41,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:33:41,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:41,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:33:41,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:33:41,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762b8cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41, skipping insertion in model container [2024-11-13 21:33:41,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:33:41,471 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_32e36ca7-1561-4a3b-8d2e-ae458a56d429/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2024-11-13 21:33:41,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:41,534 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:33:41,547 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_32e36ca7-1561-4a3b-8d2e-ae458a56d429/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound10.c[525,538] [2024-11-13 21:33:41,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:33:41,594 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:33:41,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41 WrapperNode [2024-11-13 21:33:41,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:33:41,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:41,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:33:41,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:33:41,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,640 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2024-11-13 21:33:41,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:33:41,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:33:41,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:33:41,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:33:41,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:33:41,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:33:41,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:33:41,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:33:41,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:33:41" (1/1) ... [2024-11-13 21:33:41,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:33:41,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:33:41,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:33:41,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e36ca7-1561-4a3b-8d2e-ae458a56d429/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:33:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:33:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:33:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:33:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:33:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:33:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:33:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:33:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:33:41,830 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:33:41,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:42,101 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:42,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:42,144 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:42,145 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:33:42,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:42 BoogieIcfgContainer [2024-11-13 21:33:42,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:42,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:42,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:42,161 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:42,161 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:42" (1/1) ... [2024-11-13 21:33:42,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:42,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 21:33:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 21:33:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:33:42,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:42,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:42,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:42,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2024-11-13 21:33:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-13 21:33:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:33:42,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:42,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:53,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:33:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:53,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-13 21:33:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-13 21:33:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:33:53,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:53,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-11-13 21:33:54,784 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-11-13 21:33:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:33:54,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:54,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:33:54,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:55,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2024-11-13 21:33:55,990 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2024-11-13 21:33:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:33:55,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:55,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:56,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:33:56,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:33:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:57,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-11-13 21:33:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-11-13 21:33:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:33:57,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:57,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:57,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:33:57,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:57,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:33:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:58,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-13 21:33:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-13 21:33:58,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:33:58,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:58,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:33:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:58,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:33:58,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:58,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:34:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2024-11-13 21:34:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2024-11-13 21:34:00,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:34:00,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:00,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:00,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:34:00,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 21:34:11,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:34:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:11,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2024-11-13 21:34:11,860 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2024-11-13 21:34:11,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:34:11,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:11,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 21:34:11,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 21:34:19,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:34:19,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 52 states and 95 transitions. [2024-11-13 21:34:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 95 transitions. [2024-11-13 21:34:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:34:19,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:19,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:34:19,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:34:26,768 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:34:26,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:26,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2024-11-13 21:34:26,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2024-11-13 21:34:26,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 21:34:26,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:59,188 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:35:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 104 transitions. [2024-11-13 21:35:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2024-11-13 21:35:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 21:35:31,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:31,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:35:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:35:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:31,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:35:31,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 21:36:22,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:36:33,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:36:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 122 transitions. [2024-11-13 21:36:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2024-11-13 21:36:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:36:33,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:36:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:36:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 65 states and 128 transitions. [2024-11-13 21:36:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2024-11-13 21:36:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:36:40,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:36:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:36:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:37:41,238 WARN L286 SmtUtils]: Spent 11.94s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:37:49,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:38:09,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:38:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:38:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 75 states and 155 transitions. [2024-11-13 21:38:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2024-11-13 21:38:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:38:11,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:38:11,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:38:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:38:24,233 WARN L286 SmtUtils]: Spent 10.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:38:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:39:22,520 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:39:58,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:40:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:52,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 87 states and 181 transitions. [2024-11-13 21:40:52,541 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2024-11-13 21:40:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 21:40:52,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:52,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:40:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:03,699 WARN L286 SmtUtils]: Spent 10.25s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 21:41:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:42:34,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 90 states and 187 transitions. [2024-11-13 21:42:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 187 transitions. [2024-11-13 21:42:34,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:42:34,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:34,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:42:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:35,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:42:35,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:35,217 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 21:42:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:40,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 95 states and 198 transitions. [2024-11-13 21:42:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 198 transitions. [2024-11-13 21:42:40,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:42:40,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:40,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:42:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:45:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 107 states and 221 transitions. [2024-11-13 21:45:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 221 transitions. [2024-11-13 21:45:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 21:45:03,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:03,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:06,086 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:45:18,003 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 63 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:45:57,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:45:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 110 states and 231 transitions. [2024-11-13 21:45:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2024-11-13 21:45:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 21:45:57,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:45:57,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:45:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:45:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:45:57,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:45:57,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:46:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 19 proven. 18 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 21:46:13,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 114 states and 241 transitions. [2024-11-13 21:46:13,976 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 241 transitions. [2024-11-13 21:46:13,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:46:13,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:13,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:46:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:51,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 123 states and 258 transitions. [2024-11-13 21:46:51,874 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 258 transitions. [2024-11-13 21:46:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 21:46:51,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:51,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:47:19,662 WARN L286 SmtUtils]: Spent 6.55s on a formula simplification. DAG size of input: 80 DAG size of output: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:47:36,522 WARN L286 SmtUtils]: Spent 6.85s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:48:06,015 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification. DAG size of input: 80 DAG size of output: 79 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:48:30,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:48:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 126 states and 266 transitions. [2024-11-13 21:48:37,991 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 266 transitions. [2024-11-13 21:48:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:48:37,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:37,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:48:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:38,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:48:38,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-13 21:48:39,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:48:39,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 128 states and 272 transitions. [2024-11-13 21:48:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 272 transitions. [2024-11-13 21:48:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 21:48:39,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:48:39,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:48:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:48:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:48:40,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 21:48:40,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:48:45,091 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.