./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/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_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/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_380a82b4-c76f-4afe-8a4f-21765f2059cc/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 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:47:11,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:47:11,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:47:11,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:47:11,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:47:11,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:47:11,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:47:11,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:47:11,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:47:11,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:47:11,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:47:11,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:47:11,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:47:11,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:47:11,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:47:11,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:47:11,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:47:11,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:47:11,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:47:11,655 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_380a82b4-c76f-4afe-8a4f-21765f2059cc/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 -> 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 [2024-12-06 02:47:11,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:47:11,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:47:11,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:47:11,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:47:11,897 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:47:11,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-12-06 02:47:14,685 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/data/63ce684f4/0b09c67a2adf4868b373136f1514bba8/FLAG860573bab [2024-12-06 02:47:14,903 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:47:14,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-12-06 02:47:14,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/data/63ce684f4/0b09c67a2adf4868b373136f1514bba8/FLAG860573bab [2024-12-06 02:47:14,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/data/63ce684f4/0b09c67a2adf4868b373136f1514bba8 [2024-12-06 02:47:14,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:47:14,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:47:14,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:47:14,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:47:14,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:47:14,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:47:14" (1/1) ... [2024-12-06 02:47:14,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6bd8c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:14, skipping insertion in model container [2024-12-06 02:47:14,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:47:14" (1/1) ... [2024-12-06 02:47:14,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:47:15,112 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_380a82b4-c76f-4afe-8a4f-21765f2059cc/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c[524,537] [2024-12-06 02:47:15,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:47:15,143 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:47:15,155 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_380a82b4-c76f-4afe-8a4f-21765f2059cc/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c[524,537] [2024-12-06 02:47:15,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:47:15,177 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:47:15,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15 WrapperNode [2024-12-06 02:47:15,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:47:15,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:47:15,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:47:15,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:47:15,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,213 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-12-06 02:47:15,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:47:15,214 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:47:15,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:47:15,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:47:15,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,228 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,234 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:47:15,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:47:15,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:47:15,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:47:15,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:47:15,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:47:15,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:47:15,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380a82b4-c76f-4afe-8a4f-21765f2059cc/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:47:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:47:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:47:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:47:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:47:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:47:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:47:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:47:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:47:15,357 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:47:15,359 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:47:15,503 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 02:47:15,503 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:47:15,579 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:47:15,580 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:47:15,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:47:15 BoogieIcfgContainer [2024-12-06 02:47:15,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:47:15,581 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:47:15,581 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:47:15,591 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:47:15,591 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:47:15" (1/1) ... [2024-12-06 02:47:15,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:47:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:15,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-12-06 02:47:15,642 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-12-06 02:47:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:47:15,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:15,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:15,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:47:15,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:47:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-12-06 02:47:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-06 02:47:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:47:16,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:16,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:16,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:47:16,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:47:16,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 44 transitions. [2024-12-06 02:47:16,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2024-12-06 02:47:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:47:16,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:16,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:47:16,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:47:18,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:18,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 51 transitions. [2024-12-06 02:47:18,904 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2024-12-06 02:47:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:47:18,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:18,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:18,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:47:18,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:47:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 53 transitions. [2024-12-06 02:47:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 02:47:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:47:19,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:19,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:19,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 02:47:19,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:24,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:47:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 69 transitions. [2024-12-06 02:47:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2024-12-06 02:47:27,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:47:27,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:47:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:47:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:27,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:47:27,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:47:48,882 WARN L286 SmtUtils]: Spent 10.07s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:48:09,771 WARN L286 SmtUtils]: Spent 10.08s 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) [2024-12-06 02:48:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 82 transitions. [2024-12-06 02:48:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2024-12-06 02:48:11,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:48:11,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:48:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:48:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:11,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 02:48:11,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:48:27,682 WARN L286 SmtUtils]: Spent 13.26s on a formula simplification. DAG size of input: 89 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:48:54,034 WARN L286 SmtUtils]: Spent 15.93s on a formula simplification. DAG size of input: 91 DAG size of output: 82 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:49:14,308 WARN L286 SmtUtils]: Spent 10.84s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:49:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:14,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 38 states and 84 transitions. [2024-12-06 02:49:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2024-12-06 02:49:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:49:14,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:14,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:49:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:49:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:14,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:49:14,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:50:07,115 WARN L286 SmtUtils]: Spent 26.99s on a formula simplification. DAG size of input: 132 DAG size of output: 106 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:50:29,579 WARN L286 SmtUtils]: Spent 11.47s on a formula simplification that was a NOOP. DAG size: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:50:37,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:50:39,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 02:50:39,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:39,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 40 states and 93 transitions. [2024-12-06 02:50:39,448 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 93 transitions. [2024-12-06 02:50:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:50:39,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:39,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:50:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:50:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:39,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:50:39,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:42,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:52:11,496 WARN L286 SmtUtils]: Spent 1.14m on a formula simplification. DAG size of input: 96 DAG size of output: 92 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:53:24,770 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 93 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:53:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:53:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 41 states and 100 transitions. [2024-12-06 02:53:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 100 transitions. [2024-12-06 02:53:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:53:28,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:53:28,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:53:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:53:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:53:28,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:53:28,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:53:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 02:55:21,947 WARN L286 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 156 DAG size of output: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:58:45,120 WARN L286 SmtUtils]: Spent 2.87m on a formula simplification. DAG size of input: 158 DAG size of output: 136 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:58:57,622 WARN L286 SmtUtils]: Spent 11.87s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:00:33,790 WARN L286 SmtUtils]: Spent 1.24m on a formula simplification that was a NOOP. DAG size: 137 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 03:00:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:00:38,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 42 states and 102 transitions. [2024-12-06 03:00:38,011 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 102 transitions. [2024-12-06 03:00:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:00:38,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:00:38,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:00:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:00:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:38,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:00:38,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:55,397 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.