./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.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_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/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_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/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_f15e8319-5752-4652-8769-526cc1d3fec7/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 41de47755c46f2f4de69961f8458c254f5c62632809005d7de26bd26c8032b2a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:10:11,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:10:11,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:10:11,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:10:11,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:10:11,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:10:11,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:10:11,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:10:11,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:10:11,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:10:11,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:10:11,896 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:10:11,896 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:10:11,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:10:11,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:10:11,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:10:11,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:10:11,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:10:11,897 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:10:11,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:10:11,897 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_f15e8319-5752-4652-8769-526cc1d3fec7/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 -> 41de47755c46f2f4de69961f8458c254f5c62632809005d7de26bd26c8032b2a [2024-12-06 02:10:12,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:10:12,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:10:12,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:10:12,108 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:10:12,109 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:10:12,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c [2024-12-06 02:10:14,751 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/data/609790822/7649aebc27404ffab9dc0dfbc5fcd629/FLAG8c811d97b [2024-12-06 02:10:14,928 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:10:14,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c [2024-12-06 02:10:14,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/data/609790822/7649aebc27404ffab9dc0dfbc5fcd629/FLAG8c811d97b [2024-12-06 02:10:15,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/data/609790822/7649aebc27404ffab9dc0dfbc5fcd629 [2024-12-06 02:10:15,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:10:15,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:10:15,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:10:15,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:10:15,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:10:15,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40fac642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15, skipping insertion in model container [2024-12-06 02:10:15,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:10:15,421 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_f15e8319-5752-4652-8769-526cc1d3fec7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c[546,559] [2024-12-06 02:10:15,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:10:15,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:10:15,454 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_f15e8319-5752-4652-8769-526cc1d3fec7/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound20.c[546,559] [2024-12-06 02:10:15,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:10:15,471 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:10:15,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15 WrapperNode [2024-12-06 02:10:15,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:10:15,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:10:15,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:10:15,472 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:10:15,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,491 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-12-06 02:10:15,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:10:15,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:10:15,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:10:15,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:10:15,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,501 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,506 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:10:15,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:10:15,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:10:15,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:10:15,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:10:15,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:10:15,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:10:15,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15e8319-5752-4652-8769-526cc1d3fec7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:10:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:10:15,622 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:10:15,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:10:15,723 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 02:10:15,723 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:10:15,741 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:10:15,741 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:10:15,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:10:15 BoogieIcfgContainer [2024-12-06 02:10:15,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:10:15,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:10:15,743 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:10:15,750 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:10:15,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:10:15" (1/1) ... [2024-12-06 02:10:15,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:10:15,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:15,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 02:10:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 02:10:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:10:15,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:10:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 02:10:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 02:10:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:10:15,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:15,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:16,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:10:16,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:10:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 02:10:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 02:10:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:10:16,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:10:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-12-06 02:10:16,547 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 02:10:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:10:16,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:16,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:10:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-12-06 02:10:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 02:10:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:10:17,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:17,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:17,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:17,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:10:17,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:10:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-12-06 02:10:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-12-06 02:10:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:10:19,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:19,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:19,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:10:19,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:10:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-12-06 02:10:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-12-06 02:10:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:10:22,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:22,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:10:22,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 02:10:30,851 WARN L286 SmtUtils]: Spent 7.79s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:10:51,579 WARN L286 SmtUtils]: Spent 20.41s 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) [2024-12-06 02:10:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-12-06 02:10:52,316 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-12-06 02:10:52,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 02:10:52,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:52,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:52,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:10:52,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 02:12:05,893 WARN L286 SmtUtils]: Spent 10.74s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:12:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:09,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 98 transitions. [2024-12-06 02:12:09,779 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-12-06 02:12:09,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-12-06 02:12:09,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:09,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:12:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:12:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:09,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:12:09,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-06 02:12:30,182 WARN L286 SmtUtils]: Spent 19.35s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:12:47,054 WARN L286 SmtUtils]: Spent 15.92s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:12:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 105 transitions. [2024-12-06 02:12:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-12-06 02:12:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-12-06 02:12:48,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:48,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:12:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:12:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:48,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 02:12:48,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-12-06 02:13:33,983 WARN L286 SmtUtils]: Spent 41.92s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:14:26,348 WARN L286 SmtUtils]: Spent 41.27s 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 02:14:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:29,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 112 transitions. [2024-12-06 02:14:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-12-06 02:14:29,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-06 02:14:29,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:29,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 02:14:29,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:14:30,190 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 02:14:49,651 WARN L286 SmtUtils]: Spent 16.55s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:15:12,356 WARN L286 SmtUtils]: Spent 19.37s 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 02:15:13,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:15:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 119 transitions. [2024-12-06 02:15:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-06 02:15:18,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-12-06 02:15:18,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:18,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:15:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:15:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:19,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 02:15:19,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-12-06 02:16:10,400 WARN L286 SmtUtils]: Spent 49.66s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:17:00,200 WARN L286 SmtUtils]: Spent 47.19s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:17:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:17:14,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 126 transitions. [2024-12-06 02:17:14,143 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2024-12-06 02:17:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-12-06 02:17:14,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:17:14,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:17:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:17:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:17:14,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 02:17:14,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:17:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:18:12,343 WARN L286 SmtUtils]: Spent 54.16s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)