./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.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_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/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_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/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_f6db98cc-bb9e-4716-a654-455eae546b96/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 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:21:36,804 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:21:36,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:21:36,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:21:36,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:21:36,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:21:36,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:21:36,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:21:36,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:21:36,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:21:36,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:21:36,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:21:36,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:21:36,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:21:36,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:36,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:21:36,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:21:36,952 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_f6db98cc-bb9e-4716-a654-455eae546b96/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 -> 88bd25977c0842fd8cbed2067bf45a28fc8a8b1d6c8c7adfc7fdeaed7cb57f0c [2024-11-13 22:21:37,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:21:37,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:21:37,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:21:37,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:21:37,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:21:37,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-13 22:21:39,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:21:39,669 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:21:39,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2024-11-13 22:21:39,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/data/6464de1af/3c8b57ae5ba94ee19fc296b4554c1a14/FLAGa4b06e04b [2024-11-13 22:21:39,705 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/data/6464de1af/3c8b57ae5ba94ee19fc296b4554c1a14 [2024-11-13 22:21:39,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:21:39,711 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:21:39,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:39,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:21:39,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:21:39,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:39" (1/1) ... [2024-11-13 22:21:39,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264a7bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:39, skipping insertion in model container [2024-11-13 22:21:39,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:39" (1/1) ... [2024-11-13 22:21:39,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:21:39,966 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_f6db98cc-bb9e-4716-a654-455eae546b96/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-11-13 22:21:39,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:40,006 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:21:40,021 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_f6db98cc-bb9e-4716-a654-455eae546b96/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2024-11-13 22:21:40,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:40,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:21:40,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40 WrapperNode [2024-11-13 22:21:40,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:40,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:40,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:21:40,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:21:40,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,101 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-13 22:21:40,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:40,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:21:40,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:21:40,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:21:40,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:21:40,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:21:40,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:21:40,127 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:21:40,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:21:40,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:21:40,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6db98cc-bb9e-4716-a654-455eae546b96/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:21:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:21:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:21:40,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:21:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:21:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:21:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:21:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:21:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:21:40,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:21:40,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:21:40,477 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:21:40,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:21:40,528 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:21:40,528 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:21:40,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:40 BoogieIcfgContainer [2024-11-13 22:21:40,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:21:40,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:21:40,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:21:40,545 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:21:40,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:40" (1/1) ... [2024-11-13 22:21:40,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:21:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:40,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:21:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:21:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:21:40,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:40,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:40,854 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 22:21:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 22:21:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 22:21:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:21:40,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:40,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:21:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:41,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:21:41,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:41,185 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 22:21:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-13 22:21:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-13 22:21:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:21:41,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:41,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:41,467 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 22:21:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-13 22:21:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:21:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:21:41,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:41,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:42,776 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 22:21:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-13 22:21:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 22:21:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:21:43,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:21:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:43,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:21:43,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:43,986 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 22:21:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:46,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-11-13 22:21:46,888 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-13 22:21:46,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:21:46,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:46,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:21:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:47,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:21:47,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:47,430 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 22:21:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-11-13 22:21:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-13 22:21:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:21:55,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:21:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:55,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:21:55,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:21:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:22:07,458 WARN L286 SmtUtils]: Spent 5.43s 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 22:22:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-11-13 22:22:08,451 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-13 22:22:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 22:22:08,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:08,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:22:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:08,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:22:08,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:22:10,219 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 22:23:14,314 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:23:15,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 98 transitions. [2024-11-13 22:23:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-13 22:23:15,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 22:23:15,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:16,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:23:16,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:16,598 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 22:23:54,309 WARN L286 SmtUtils]: Spent 35.04s 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) [2024-11-13 22:23:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 105 transitions. [2024-11-13 22:23:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2024-11-13 22:23:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:23:56,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:56,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:56,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 22:23:56,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:57,155 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 26 proven. 80 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 22:24:19,033 WARN L286 SmtUtils]: Spent 21.45s 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) [2024-11-13 22:24:37,632 WARN L286 SmtUtils]: Spent 17.22s 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) [2024-11-13 22:24:41,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:24:41,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:24:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 112 transitions. [2024-11-13 22:24:41,273 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2024-11-13 22:24:41,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:24:41,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:24:41,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:24:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:24:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:24:41,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 22:24:41,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:24:43,261 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 22:25:15,994 WARN L286 SmtUtils]: Spent 31.21s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:25:42,208 WARN L286 SmtUtils]: Spent 24.27s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:25:47,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:25:47,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:25:47,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 75 states and 120 transitions. [2024-11-13 22:25:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2024-11-13 22:25:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 22:25:47,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:25:47,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:25:48,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-13 22:25:48,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:25:51,960 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-13 22:26:36,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:27:23,015 WARN L286 SmtUtils]: Spent 46.28s 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 22:28:33,650 WARN L286 SmtUtils]: Spent 29.97s 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 22:28:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 134 transitions. [2024-11-13 22:28:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2024-11-13 22:28:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 22:28:43,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:28:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:28:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:43,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:28:43,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:28:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-13 22:29:37,848 WARN L286 SmtUtils]: Spent 48.61s 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 22:30:42,543 WARN L286 SmtUtils]: Spent 1.00m 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 22:30:52,745 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:31:00,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:31:01,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 142 transitions. [2024-11-13 22:31:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 142 transitions. [2024-11-13 22:31:01,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 22:31:01,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:01,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:02,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 22:31:02,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 46 proven. 212 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-13 22:33:32,808 WARN L286 SmtUtils]: Spent 56.87s 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) [2024-11-13 22:35:07,606 WARN L286 SmtUtils]: Spent 1.38m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:36:10,105 WARN L286 SmtUtils]: Spent 15.81s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:36:13,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:36:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 95 states and 156 transitions. [2024-11-13 22:36:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 156 transitions. [2024-11-13 22:36:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 22:36:14,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:14,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:15,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 22:36:15,048 INFO L278 TraceCheckSpWp]: Computing forward predicates...