./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.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_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/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_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/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_ea12100b-6919-40a7-91ed-4c63a7d49843/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 da898716740ad35966dda711f1bb2c8a4ed9a1f902850db9abe2ca7b7514eaea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:31:08,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:31:08,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:31:08,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:31:08,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:31:08,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:31:08,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:31:08,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:31:08,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:31:08,611 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:31:08,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:31:08,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:31:08,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:31:08,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:31:08,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:31:08,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:31:08,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:31:08,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:31:08,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:31:08,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:31:08,616 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:31:08,616 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:31:08,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:31:08,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:31:08,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:31:08,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:31:08,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:31:08,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:08,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:31:08,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:31:08,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:31:08,619 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:31:08,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:31:08,620 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_ea12100b-6919-40a7-91ed-4c63a7d49843/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 -> da898716740ad35966dda711f1bb2c8a4ed9a1f902850db9abe2ca7b7514eaea [2024-11-13 20:31:09,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:31:09,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:31:09,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:31:09,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:31:09,171 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:31:09,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 20:31:11,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:31:12,273 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:31:12,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c [2024-11-13 20:31:12,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/data/87c55b6d7/eeb36d005c74484f88228f8a1b261f57/FLAG5fe1fe85f [2024-11-13 20:31:12,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/data/87c55b6d7/eeb36d005c74484f88228f8a1b261f57 [2024-11-13 20:31:12,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:31:12,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:31:12,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:12,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:31:12,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:31:12,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1f75ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12, skipping insertion in model container [2024-11-13 20:31:12,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:31:12,771 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_ea12100b-6919-40a7-91ed-4c63a7d49843/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2024-11-13 20:31:12,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:12,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:31:12,829 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_ea12100b-6919-40a7-91ed-4c63a7d49843/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound100.c[546,559] [2024-11-13 20:31:12,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:31:12,864 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:31:12,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12 WrapperNode [2024-11-13 20:31:12,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:31:12,867 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:12,867 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:31:12,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:31:12,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,911 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 20:31:12,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:31:12,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:31:12,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:31:12,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:31:12,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:31:12,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:31:12,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:31:12,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:31:12,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:31:12" (1/1) ... [2024-11-13 20:31:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:31:12,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:31:12,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:31:13,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea12100b-6919-40a7-91ed-4c63a7d49843/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:31:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:31:13,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:31:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:31:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:31:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:31:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:31:13,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:31:13,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:31:13,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:31:13,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:31:13,364 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:31:13,365 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:31:13,429 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:31:13,429 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:31:13,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:13 BoogieIcfgContainer [2024-11-13 20:31:13,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:31:13,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:31:13,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:31:13,448 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:31:13,449 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:31:13" (1/1) ... [2024-11-13 20:31:13,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:31:13,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:13,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 20:31:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 20:31:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:31:13,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:13,847 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 20:31:13,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 20:31:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 20:31:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:31:13,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:13,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:14,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:31:14,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:14,266 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 20:31:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 20:31:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 20:31:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:31:14,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:14,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:14,608 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 20:31:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 20:31:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 20:31:15,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:31:15,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:31:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:17,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 20:31:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 20:31:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:31:17,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:17,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:17,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:31:17,546 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 20:31:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-11-13 20:31:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-13 20:31:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:31:22,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:22,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:31:22,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 20:31:31,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:31,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-11-13 20:31:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-13 20:31:31,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:31:31,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:31,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:31,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:31:31,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 20:31:43,144 WARN L286 SmtUtils]: Spent 10.37s 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) [2024-11-13 20:31:54,229 WARN L286 SmtUtils]: Spent 10.36s 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 20:31:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-11-13 20:31:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-13 20:31:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 20:31:55,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:55,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:31:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:55,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 20:31:55,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:31:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 20:32:21,741 WARN L286 SmtUtils]: Spent 22.41s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:23,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 71 transitions. [2024-11-13 20:32:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-13 20:32:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:32:23,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:23,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:23,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 20:32:23,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:24,435 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 20:32:39,402 WARN L286 SmtUtils]: Spent 14.47s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:32:52,037 WARN L286 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:33:04,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:33:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 78 transitions. [2024-11-13 20:33:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 20:33:04,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:33:04,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:04,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:33:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:33:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:04,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 20:33:04,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 20:33:46,195 WARN L286 SmtUtils]: Spent 40.58s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:34:32,812 WARN L286 SmtUtils]: Spent 45.66s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:34:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:36,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 85 transitions. [2024-11-13 20:34:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-13 20:34:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 20:34:36,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:36,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 20:34:36,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 20:35:34,242 WARN L286 SmtUtils]: Spent 56.05s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:36:30,842 WARN L286 SmtUtils]: Spent 55.30s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:36:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 60 states and 92 transitions. [2024-11-13 20:36:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2024-11-13 20:36:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 20:36:39,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:39,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:36:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:39,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 20:36:39,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:45,438 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 36 proven. 138 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 20:40:31,865 WARN L286 SmtUtils]: Spent 57.89s 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) [2024-11-13 20:41:33,493 WARN L286 SmtUtils]: Spent 1.01m 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) [2024-11-13 20:41:46,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:42:01,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.87s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:42:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 95 states and 154 transitions. [2024-11-13 20:42:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2024-11-13 20:42:02,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 20:42:02,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:02,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 20:42:02,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 41 proven. 173 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-13 20:43:06,359 WARN L286 SmtUtils]: Spent 59.96s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:45:06,003 WARN L286 SmtUtils]: Spent 1.81m on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:45:14,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:45:15,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 20:45:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 99 states and 161 transitions. [2024-11-13 20:45:16,154 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2024-11-13 20:45:16,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 20:45:16,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:16,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:16,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 20:45:16,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 20 proven. 211 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 20:46:22,961 WARN L286 SmtUtils]: Spent 48.55s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)