./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/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 ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:39:51,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:39:51,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:39:51,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:39:51,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:39:51,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:39:51,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:39:51,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:39:51,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:39:51,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:39:51,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:39:51,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:39:51,744 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:39:51,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:39:51,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:39:51,745 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:39:51,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:39:51,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:39:51,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:39:51,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:51,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:39:51,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:39:51,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:39:51,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:39:51,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:39:51,747 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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/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 -> ccc90f911eb65e070ad46258a83153891dc4d8a5addf20ee75047318144d790b [2024-11-13 22:39:52,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:39:52,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:39:52,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:39:52,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:39:52,099 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:39:52,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c Unable to find full path for "g++" [2024-11-13 22:39:54,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:39:54,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:39:54,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c [2024-11-13 22:39:54,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/data/8cad9cc17/155a1c0f5f36472686c53b9305545105/FLAGfc110a6dd [2024-11-13 22:39:54,596 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/data/8cad9cc17/155a1c0f5f36472686c53b9305545105 [2024-11-13 22:39:54,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:39:54,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:39:54,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:54,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:39:54,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:39:54,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b24b70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54, skipping insertion in model container [2024-11-13 22:39:54,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:39:54,788 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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-11-13 22:39:54,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:54,814 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:39:54,824 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_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound20.c[454,467] [2024-11-13 22:39:54,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:39:54,840 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:39:54,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54 WrapperNode [2024-11-13 22:39:54,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:39:54,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:54,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:39:54,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:39:54,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,870 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-13 22:39:54,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:39:54,871 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:39:54,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:39:54,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:39:54,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:39:54,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:39:54,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:39:54,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:39:54,897 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:39:54" (1/1) ... [2024-11-13 22:39:54,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:39:54,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:39:54,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:39:54,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:39:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:39:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:39:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:39:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:39:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:39:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:39:55,031 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:39:55,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:39:55,187 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 22:39:55,187 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:39:55,234 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:39:55,234 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:39:55,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:55 BoogieIcfgContainer [2024-11-13 22:39:55,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:39:55,236 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:39:55,236 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:39:55,246 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:39:55,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:55" (1/1) ... [2024-11-13 22:39:55,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:39:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-13 22:39:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-13 22:39:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:39:55,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:55,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:55,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:39:55,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:39:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:55,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-13 22:39:55,683 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-13 22:39:55,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:39:55,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:55,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:39:56,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-13 22:39:56,437 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-13 22:39:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:39:56,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:56,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:56,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:39:56,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:39:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 22:39:56,952 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 22:39:56,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:39:56,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:56,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:57,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:39:57,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:57,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:39:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 22:39:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 22:39:57,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:39:57,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:57,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:57,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:39:57,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:39:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 22:39:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 22:39:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:39:57,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:57,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:58,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:39:58,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:39:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-13 22:39:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-13 22:39:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:39:58,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:58,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 22:39:58,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:39:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:59,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 22:39:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 22:39:59,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:39:59,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:59,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:59,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-13 22:39:59,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:40:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-13 22:40:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-13 22:40:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 22:40:00,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:00,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 22:40:00,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 22:40:00,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:00,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-13 22:40:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-13 22:40:00,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 22:40:00,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:00,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 22:40:00,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:01,179 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 22:40:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-13 22:40:01,677 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-13 22:40:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 22:40:01,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:01,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 22:40:01,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 17 proven. 151 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 22:40:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-13 22:40:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-13 22:40:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 22:40:02,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:02,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:02,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:40:02,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:02,881 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 20 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 22:40:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2024-11-13 22:40:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-13 22:40:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 22:40:03,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:03,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:03,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 22:40:03,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 22 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 22:40:04,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-13 22:40:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-13 22:40:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 22:40:04,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:04,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-13 22:40:04,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 24 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 22:40:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2024-11-13 22:40:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2024-11-13 22:40:05,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 22:40:05,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:05,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:05,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 22:40:05,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:05,971 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 26 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 22:40:06,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-11-13 22:40:06,754 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-13 22:40:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 22:40:06,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:06,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 22:40:06,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 28 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 22:40:07,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2024-11-13 22:40:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-13 22:40:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 22:40:07,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:07,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:08,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 22:40:08,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 29 proven. 388 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 22:40:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-13 22:40:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 22:40:09,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 22:40:09,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:09,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:09,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-11-13 22:40:09,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 32 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-13 22:40:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:10,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 100 transitions. [2024-11-13 22:40:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2024-11-13 22:40:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 22:40:10,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:10,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:10,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-13 22:40:10,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 34 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-13 22:40:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 68 states and 105 transitions. [2024-11-13 22:40:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2024-11-13 22:40:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 22:40:12,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:12,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:12,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-13 22:40:12,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 36 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 22:40:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2024-11-13 22:40:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-13 22:40:13,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 22:40:13,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:13,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:13,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-13 22:40:13,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:14,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 38 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-13 22:40:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2024-11-13 22:40:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2024-11-13 22:40:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 22:40:15,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:15,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:15,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-13 22:40:15,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 39 proven. 668 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-13 22:40:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:16,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 77 states and 120 transitions. [2024-11-13 22:40:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2024-11-13 22:40:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-13 22:40:16,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 654 proven. 60 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-13 22:40:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:29,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 71 states and 111 transitions. [2024-11-13 22:40:29,938 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-11-13 22:40:29,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:40:29,939 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2024-11-13 22:40:29,950 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:40:30,925 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L28-1(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-11-13 22:40:30,926 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-13 22:40:30,927 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-13 22:40:30,927 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:40:30,927 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (not (= |__VERIFIER_assert_#in~cond| 1)))) [2024-11-13 22:40:30,927 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-13 22:40:30,927 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-13 22:40:30,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:40:30 ImpRootNode [2024-11-13 22:40:30,945 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:40:30,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:40:30,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:40:30,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:40:30,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:55" (3/4) ... [2024-11-13 22:40:30,950 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:40:30,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 22:40:30,957 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 22:40:30,957 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-13 22:40:30,957 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 22:40:30,957 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:40:31,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:40:31,036 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:40:31,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:40:31,037 INFO L158 Benchmark]: Toolchain (without parser) took 36437.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 95.1MB in the beginning and 220.4MB in the end (delta: -125.3MB). Peak memory consumption was 107.8MB. Max. memory is 16.1GB. [2024-11-13 22:40:31,038 INFO L158 Benchmark]: CDTParser took 1.65ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:31,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.05ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:31,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.75ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:31,040 INFO L158 Benchmark]: Boogie Preprocessor took 24.13ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:31,040 INFO L158 Benchmark]: RCFGBuilder took 339.61ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 71.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:40:31,041 INFO L158 Benchmark]: CodeCheck took 35709.89ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 224.9MB in the end (delta: -154.2MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2024-11-13 22:40:31,041 INFO L158 Benchmark]: Witness Printer took 90.06ms. Allocated memory is still 352.3MB. Free memory was 224.9MB in the beginning and 220.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:31,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.7s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 945 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 680 mSDsluCounter, 1847 SdHoareTripleChecker+Invalid, 12.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1598 mSDsCounter, 2437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4506 IncrementalHoareTripleChecker+Invalid, 6943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2437 mSolverCounterUnsat, 249 mSDtfsCounter, 4506 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10409 GetRequests, 9483 SyntacticMatches, 650 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31175 ImplicationChecksByTransitivity, 25.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 1761 NumberOfCodeBlocks, 1761 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 6160 SizeOfPredicates, 21 NumberOfNonLiveVariables, 4410 ConjunctsInSsa, 1014 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 7109/11706 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65ms. Allocated memory is still 142.6MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.05ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 84.2MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.75ms. Allocated memory is still 117.4MB. Free memory was 84.2MB in the beginning and 83.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.13ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.2MB in the end (delta: 937.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.61ms. Allocated memory is still 117.4MB. Free memory was 82.2MB in the beginning and 71.0MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 35709.89ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 70.7MB in the beginning and 224.9MB in the end (delta: -154.2MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Witness Printer took 90.06ms. Allocated memory is still 352.3MB. Free memory was 224.9MB in the beginning and 220.4MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:40:31,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0e0ecd5-4ba2-4465-ab37-c3ad1386e04c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE