./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/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 772293f211c6e60706a5fda7648c49a0338c33d85350cc06edce04a6f02364fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:33:22,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:33:22,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:33:22,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:33:22,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:33:22,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:33:22,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:33:22,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:33:22,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:33:22,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:33:22,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:33:22,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:33:22,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:33:22,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:33:22,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:33:22,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:33:22,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:33:22,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:33:22,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:33:22,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:33:22,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:22,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:33:22,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:33:22,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:33:22,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:33:22,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:33:22,876 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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/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 -> 772293f211c6e60706a5fda7648c49a0338c33d85350cc06edce04a6f02364fc [2024-11-13 22:33:23,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:33:23,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:33:23,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:33:23,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:33:23,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:33:23,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 22:33:25,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:33:26,143 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:33:26,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c [2024-11-13 22:33:26,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/data/957dd32b2/a8860b92be194c32bb67d0c0fcd8a332/FLAG11c6fc459 [2024-11-13 22:33:26,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/data/957dd32b2/a8860b92be194c32bb67d0c0fcd8a332 [2024-11-13 22:33:26,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:33:26,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:33:26,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:26,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:33:26,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:33:26,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198e5ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26, skipping insertion in model container [2024-11-13 22:33:26,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:33:26,462 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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c[524,537] [2024-11-13 22:33:26,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:26,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:33:26,514 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_cb43f303-5f25-4e76-a172-a5bf27a2cbab/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c[524,537] [2024-11-13 22:33:26,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:33:26,547 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:33:26,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26 WrapperNode [2024-11-13 22:33:26,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:33:26,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:26,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:33:26,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:33:26,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,590 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-13 22:33:26,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:33:26,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:33:26,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:33:26,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:33:26,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:33:26,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:33:26,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:33:26,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:33:26,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:26" (1/1) ... [2024-11-13 22:33:26,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:33:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:33:26,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:33:26,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb43f303-5f25-4e76-a172-a5bf27a2cbab/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:33:26,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:33:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:33:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:33:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:33:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:33:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:33:26,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:33:26,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:33:26,821 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:33:26,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:33:27,052 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:33:27,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:33:27,108 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:33:27,110 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:33:27,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:27 BoogieIcfgContainer [2024-11-13 22:33:27,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:33:27,111 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:33:27,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:33:27,126 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:33:27,127 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:33:27" (1/1) ... [2024-11-13 22:33:27,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:33:27,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:33:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:33:27,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:33:27,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:27,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:33:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:27,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:33:27,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:27,642 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 22:33:27,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 22:33:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 22:33:27,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:33:27,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:27,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:28,332 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 22:33:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-13 22:33:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-13 22:33:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:33:28,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:33:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:28,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 22:33:28,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:33:36,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:33:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 37 transitions. [2024-11-13 22:33:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 22:33:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:33:38,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:33:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:39,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:33:39,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:33:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 43 transitions. [2024-11-13 22:33:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 22:33:45,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:33:45,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:45,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:33:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:45,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:33:45,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:33:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 48 transitions. [2024-11-13 22:33:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2024-11-13 22:33:56,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:33:56,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:56,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:33:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:33:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:56,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:33:56,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:56,988 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 27 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 22:34:22,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:34:24,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:34:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:24,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 53 transitions. [2024-11-13 22:34:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-13 22:34:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 22:34:24,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:24,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:34:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:24,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:34:24,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 22:34:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:33,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 58 transitions. [2024-11-13 22:34:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 22:34:33,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 22:34:33,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:33,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:34:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:34:33,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 22:34:33,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:34:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-13 22:34:45,720 WARN L286 SmtUtils]: Spent 7.57s 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 22:35:05,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:35:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 63 transitions. [2024-11-13 22:35:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2024-11-13 22:35:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 22:35:05,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:05,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 22:35:05,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 31 proven. 79 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-13 22:35:19,417 WARN L286 SmtUtils]: Spent 11.21s 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 22:35:38,389 WARN L286 SmtUtils]: Spent 16.18s 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 22:35:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 68 transitions. [2024-11-13 22:35:46,867 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2024-11-13 22:35:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 22:35:46,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:46,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:35:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:47,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:35:47,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 33 proven. 105 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 22:36:13,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:36:25,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 73 transitions. [2024-11-13 22:36:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 22:36:25,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 22:36:25,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:36:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:25,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 22:36:25,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 41 proven. 128 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-13 22:36:49,563 WARN L286 SmtUtils]: Spent 14.55s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:37:13,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.60s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:37:24,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:37:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:24,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 78 transitions. [2024-11-13 22:37:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 22:37:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 22:37:24,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:24,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:24,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 22:37:24,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-13 22:38:03,244 WARN L286 SmtUtils]: Spent 16.50s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:38:53,626 WARN L286 SmtUtils]: Spent 25.82s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:38:58,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:39:34,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:39:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 83 transitions. [2024-11-13 22:39:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2024-11-13 22:39:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-13 22:39:34,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:34,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 22:39:34,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:37,160 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 22 proven. 188 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-13 22:40:28,734 WARN L286 SmtUtils]: Spent 26.97s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:40:47,627 WARN L286 SmtUtils]: Spent 9.75s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:41:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 88 transitions. [2024-11-13 22:41:46,009 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 88 transitions. [2024-11-13 22:41:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 22:41:46,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:46,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:41:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:46,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-11-13 22:41:46,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 78 proven. 250 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked.