./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array3_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array3_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:37:11,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:37:11,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:37:11,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:37:11,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:37:11,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:37:11,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:37:11,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:37:11,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:37:11,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:37:11,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:37:11,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:37:11,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:37:11,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:37:11,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:37:11,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:37:11,476 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2024-12-06 05:37:11,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:37:11,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:37:11,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:37:11,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:37:11,697 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:37:11,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2024-12-06 05:37:14,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/241f92557/efa7773c2ea6463a94a26156733d73d3/FLAG91f5f5acf [2024-12-06 05:37:14,649 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:37:14,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c [2024-12-06 05:37:14,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/241f92557/efa7773c2ea6463a94a26156733d73d3/FLAG91f5f5acf [2024-12-06 05:37:15,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/241f92557/efa7773c2ea6463a94a26156733d73d3 [2024-12-06 05:37:15,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:37:15,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:37:15,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:37:15,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:37:15,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:37:15,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413367fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15, skipping insertion in model container [2024-12-06 05:37:15,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:37:15,171 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2024-12-06 05:37:15,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:37:15,203 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:37:15,213 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2024-12-06 05:37:15,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:37:15,238 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:37:15,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15 WrapperNode [2024-12-06 05:37:15,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:37:15,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:37:15,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:37:15,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:37:15,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,270 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2024-12-06 05:37:15,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:37:15,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:37:15,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:37:15,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:37:15,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,290 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:37:15,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:37:15,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:37:15,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:37:15,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:37:15,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:37:15,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:37:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:37:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:37:15,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:37:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure square [2024-12-06 05:37:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure square [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:37:15,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:37:15,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:37:15,416 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:37:15,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:37:15,566 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 05:37:15,566 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:37:15,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:37:15,597 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:37:15,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:37:15 BoogieIcfgContainer [2024-12-06 05:37:15,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:37:15,598 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:37:15,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:37:15,608 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:37:15,608 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:37:15" (1/1) ... [2024-12-06 05:37:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:37:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 05:37:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 05:37:15,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:37:15,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:15,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:37:15,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:15,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-06 05:37:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-06 05:37:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:37:15,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:37:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 30 transitions. [2024-12-06 05:37:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-12-06 05:37:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 05:37:16,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:16,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:37:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 43 transitions. [2024-12-06 05:37:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-12-06 05:37:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:37:16,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:16,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:37:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:16,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-12-06 05:37:16,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:37:16,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:37:16,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:37:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:17,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2024-12-06 05:37:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:37:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 74 transitions. [2024-12-06 05:37:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2024-12-06 05:37:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:37:19,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:19,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:37:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:19,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 05:37:19,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:37:20,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:37:20,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:37:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:20,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2024-12-06 05:37:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:37:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 77 transitions. [2024-12-06 05:37:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2024-12-06 05:37:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:37:21,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:37:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 109 transitions. [2024-12-06 05:37:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2024-12-06 05:37:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 05:37:24,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:24,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 05:37:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:25,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 93 transitions. [2024-12-06 05:37:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 93 transitions. [2024-12-06 05:37:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 05:37:25,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:37:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:25,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-06 05:37:25,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:37:26,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:37:26,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:37:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:26,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2024-12-06 05:37:26,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:26,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 21 [2024-12-06 05:37:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:37:26,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 54 states and 95 transitions. [2024-12-06 05:37:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-12-06 05:37:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 05:37:26,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:26,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:37:27,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:27,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 49 states and 85 transitions. [2024-12-06 05:37:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2024-12-06 05:37:27,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 05:37:27,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:27,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:27,625 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:37:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 56 states and 100 transitions. [2024-12-06 05:37:29,581 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2024-12-06 05:37:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:37:29,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:29,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:37:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:29,735 WARN L254 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-06 05:37:29,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:37:29,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:37:29,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:37:29,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:37:30,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:30,824 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2024-12-06 05:37:30,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2024-12-06 05:37:30,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2024-12-06 05:37:30,861 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2024-12-06 05:37:30,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2024-12-06 05:37:31,306 INFO L349 Elim1Store]: treesize reduction 237, result has 31.1 percent of original size [2024-12-06 05:37:31,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 161 treesize of output 303 [2024-12-06 05:37:31,665 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:31,666 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2024-12-06 05:37:31,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2024-12-06 05:37:31,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 27 [2024-12-06 05:37:31,908 INFO L349 Elim1Store]: treesize reduction 114, result has 11.6 percent of original size [2024-12-06 05:37:31,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 105 treesize of output 67 [2024-12-06 05:37:38,427 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:38,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 230 treesize of output 220 [2024-12-06 05:37:39,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:39,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 869 treesize of output 837 [2024-12-06 05:37:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:37:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:37:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 165 transitions. [2024-12-06 05:37:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 165 transitions. [2024-12-06 05:37:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:37:54,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:37:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:37:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:37:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:37:54,959 WARN L254 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-12-06 05:37:54,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:37:55,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:37:55,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:37:55,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:37:55,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:55,557 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2024-12-06 05:37:55,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2024-12-06 05:37:55,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2024-12-06 05:37:55,581 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2024-12-06 05:37:55,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2024-12-06 05:37:55,616 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:55,617 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2024-12-06 05:37:55,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:55,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:37:55,773 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2024-12-06 05:37:55,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2024-12-06 05:37:55,867 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:55,869 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 212 [2024-12-06 05:37:55,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 27 [2024-12-06 05:37:59,046 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:59,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 230 treesize of output 220 [2024-12-06 05:37:59,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:37:59,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 989 treesize of output 931 [2024-12-06 05:37:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:38:13,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 84 states and 200 transitions. [2024-12-06 05:38:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 200 transitions. [2024-12-06 05:38:13,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:38:13,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:13,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:38:30,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 99 states and 268 transitions. [2024-12-06 05:38:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 268 transitions. [2024-12-06 05:38:30,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:38:30,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:30,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:38:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 104 states and 277 transitions. [2024-12-06 05:38:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 277 transitions. [2024-12-06 05:38:37,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:38:37,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:37,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:37,189 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:38:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 106 states and 290 transitions. [2024-12-06 05:38:39,365 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 290 transitions. [2024-12-06 05:38:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 05:38:39,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 05:38:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:38:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 107 states and 292 transitions. [2024-12-06 05:38:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 292 transitions. [2024-12-06 05:38:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 05:38:40,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:38:40,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:38:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:38:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:38:40,570 WARN L254 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-12-06 05:38:40,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:38:40,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:38:40,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:38:40,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:38:40,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:41,018 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2024-12-06 05:38:41,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2024-12-06 05:38:41,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2024-12-06 05:38:41,041 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2024-12-06 05:38:41,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2024-12-06 05:38:41,070 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-12-06 05:38:41,265 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:38:41,266 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2024-12-06 05:38:41,297 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:38:41,298 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 05:38:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:44,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 263 [2024-12-06 05:38:44,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 244 [2024-12-06 05:38:45,101 INFO L349 Elim1Store]: treesize reduction 298, result has 20.1 percent of original size [2024-12-06 05:38:45,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 301 treesize of output 396 [2024-12-06 05:38:45,302 INFO L349 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2024-12-06 05:38:45,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 134 [2024-12-06 05:38:45,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:45,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:45,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:45,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,018 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2024-12-06 05:38:46,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 284 treesize of output 342 [2024-12-06 05:38:46,294 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:38:46,296 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2024-12-06 05:38:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:38:46,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:38:46,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 90 [2024-12-06 05:38:56,494 INFO L349 Elim1Store]: treesize reduction 78, result has 59.6 percent of original size [2024-12-06 05:38:56,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 161 treesize of output 211 [2024-12-06 05:38:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:39:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:39:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 122 states and 369 transitions. [2024-12-06 05:39:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 369 transitions. [2024-12-06 05:39:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 05:39:35,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:39:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:39:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:39:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:39:35,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-06 05:39:35,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:39:35,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:39:35,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:39:35,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:39:35,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:35,990 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2024-12-06 05:39:35,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 184 treesize of output 166 [2024-12-06 05:39:35,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 122 [2024-12-06 05:39:36,015 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2024-12-06 05:39:36,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 96 treesize of output 157 [2024-12-06 05:39:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,193 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2024-12-06 05:39:36,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 150 treesize of output 228 [2024-12-06 05:39:36,247 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:39:36,247 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2024-12-06 05:39:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:36,297 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:39:36,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 74 [2024-12-06 05:39:37,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:39:37,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 263 [2024-12-06 05:39:37,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 244 [2024-12-06 05:39:38,069 INFO L349 Elim1Store]: treesize reduction 293, result has 21.4 percent of original size [2024-12-06 05:39:38,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 392 treesize of output 472 [2024-12-06 05:39:38,157 INFO L349 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2024-12-06 05:39:38,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 98 treesize of output 113 [2024-12-06 05:39:38,413 INFO L349 Elim1Store]: treesize reduction 84, result has 31.7 percent of original size [2024-12-06 05:39:38,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 185 treesize of output 138 [2024-12-06 05:39:47,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:39:47,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 126 treesize of output 162 [2024-12-06 05:39:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:40:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:40:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 127 states and 400 transitions. [2024-12-06 05:40:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 400 transitions. [2024-12-06 05:40:20,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 05:40:20,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:40:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:40:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:40:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:20,221 WARN L254 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-12-06 05:40:20,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:40:20,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:40:20,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:40:20,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:40:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:20,693 INFO L349 Elim1Store]: treesize reduction 73, result has 23.2 percent of original size [2024-12-06 05:40:20,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 241 treesize of output 197 [2024-12-06 05:40:20,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 200 treesize of output 175 [2024-12-06 05:40:20,727 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2024-12-06 05:40:20,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 149 treesize of output 188 [2024-12-06 05:40:20,985 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:40:20,985 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2024-12-06 05:40:21,020 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:40:21,021 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2024-12-06 05:40:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:22,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 263 [2024-12-06 05:40:22,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 244 [2024-12-06 05:40:22,868 INFO L349 Elim1Store]: treesize reduction 293, result has 21.4 percent of original size [2024-12-06 05:40:22,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 17 case distinctions, treesize of input 301 treesize of output 401 [2024-12-06 05:40:23,086 INFO L349 Elim1Store]: treesize reduction 74, result has 34.5 percent of original size [2024-12-06 05:40:23,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 134 [2024-12-06 05:40:23,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:23,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:23,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:23,665 INFO L349 Elim1Store]: treesize reduction 71, result has 30.4 percent of original size [2024-12-06 05:40:23,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 267 treesize of output 331 [2024-12-06 05:40:23,907 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:40:23,909 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2024-12-06 05:40:24,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:24,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:24,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:24,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:40:24,072 INFO L349 Elim1Store]: treesize reduction 60, result has 11.8 percent of original size [2024-12-06 05:40:24,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 159 treesize of output 97 [2024-12-06 05:40:33,904 INFO L349 Elim1Store]: treesize reduction 78, result has 59.6 percent of original size [2024-12-06 05:40:33,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 1 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 161 treesize of output 211 [2024-12-06 05:40:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:40:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:40:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 128 states and 402 transitions. [2024-12-06 05:40:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 402 transitions. [2024-12-06 05:40:36,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 05:40:36,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:40:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:40:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:40:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:40:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 129 states and 403 transitions. [2024-12-06 05:40:38,342 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 403 transitions. [2024-12-06 05:40:38,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 05:40:38,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:40:38,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:40:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:38,413 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 05:40:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:40:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 130 states and 404 transitions. [2024-12-06 05:40:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 404 transitions. [2024-12-06 05:40:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 05:40:40,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:40:40,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:40:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:40:41,971 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 05:41:01,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:41:01,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 141 states and 434 transitions. [2024-12-06 05:41:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 434 transitions. [2024-12-06 05:41:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 05:41:01,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:41:01,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:41:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:41:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 05:41:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:41:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 150 states and 460 transitions. [2024-12-06 05:41:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 460 transitions. [2024-12-06 05:41:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 05:41:13,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:41:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:41:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:41:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:41:13,280 WARN L254 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-06 05:41:13,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:41:13,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:41:13,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:41:13,350 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 35 [2024-12-06 05:41:13,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-12-06 05:41:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:41:16,499 INFO L349 Elim1Store]: treesize reduction 109, result has 23.2 percent of original size [2024-12-06 05:41:16,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 8 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 198 treesize of output 190 [2024-12-06 05:41:16,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 136 [2024-12-06 05:41:16,529 INFO L349 Elim1Store]: treesize reduction 141, result has 0.7 percent of original size [2024-12-06 05:41:16,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 101 treesize of output 165 [2024-12-06 05:41:16,667 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:41:16,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2024-12-06 05:41:16,738 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:41:16,740 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2024-12-06 05:42:59,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:42:59,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 686 treesize of output 644 [2024-12-06 05:43:00,077 INFO L349 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2024-12-06 05:43:00,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 19 [2024-12-06 05:43:01,355 INFO L349 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2024-12-06 05:43:01,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 19 [2024-12-06 05:43:01,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:43:01,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-12-06 05:43:02,068 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:43:02,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-12-06 05:43:02,138 INFO L349 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2024-12-06 05:43:02,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 19 [2024-12-06 05:43:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:43:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:43:02,169 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:43:02,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2024-12-06 05:43:03,083 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:43:03,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 1259 treesize of output 1361 [2024-12-06 05:43:08,244 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-06 05:43:08,245 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-12-06 05:44:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 05:45:05,008 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 140 DAG size of output: 81 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:45:36,577 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-06 05:45:36,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-12-06 05:45:36,578 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatRetEdge(UltimateChecker.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingReturnIfSat(UltimateChecker.java:208) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 29 more [2024-12-06 05:45:36,582 INFO L158 Benchmark]: Toolchain (without parser) took 501566.15ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 118.8MB in the beginning and 225.6MB in the end (delta: -106.8MB). Peak memory consumption was 373.7MB. Max. memory is 16.1GB. [2024-12-06 05:45:36,583 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:45:36,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.07ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:45:36,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.58ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:45:36,583 INFO L158 Benchmark]: Boogie Preprocessor took 22.99ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 975.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:45:36,584 INFO L158 Benchmark]: RCFGBuilder took 303.62ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 90.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:45:36,584 INFO L158 Benchmark]: CodeCheck took 500983.34ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 90.3MB in the beginning and 225.6MB in the end (delta: -135.3MB). Peak memory consumption was 348.5MB. Max. memory is 16.1GB. [2024-12-06 05:45:36,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.07ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 107.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.58ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 105.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.99ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.8MB in the end (delta: 975.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.62ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 90.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 500983.34ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 90.3MB in the beginning and 225.6MB in the end (delta: -135.3MB). Peak memory consumption was 348.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array3_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:45:38,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:45:38,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:45:38,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:45:38,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:45:38,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:45:38,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:45:38,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:45:38,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:45:38,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:45:38,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:45:38,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:45:38,414 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:45:38,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:45:38,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:45:38,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:45:38,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:45:38,415 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:45:38,415 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:38,415 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:45:38,415 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c9f77a5f5cfb41429e6b2e557580f5f8a855ca718c241fb5a07541ef3b21ab2 [2024-12-06 05:45:38,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:45:38,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:45:38,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:45:38,642 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:45:38,642 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:45:38,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-patterns/array3_pattern.c [2024-12-06 05:45:41,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/6ce092566/97cbfe26c8324033acaf7a3e51a860e3/FLAG02158dd74 [2024-12-06 05:45:41,489 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:45:41,489 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c [2024-12-06 05:45:41,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/6ce092566/97cbfe26c8324033acaf7a3e51a860e3/FLAG02158dd74 [2024-12-06 05:45:41,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/data/6ce092566/97cbfe26c8324033acaf7a3e51a860e3 [2024-12-06 05:45:41,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:45:41,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:45:41,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:45:41,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:45:41,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:45:41,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a9da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41, skipping insertion in model container [2024-12-06 05:45:41,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,539 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:45:41,673 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2024-12-06 05:45:41,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:45:41,706 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:45:41,716 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_52d57b40-a2b0-4e08-babf-26014d3efdfe/sv-benchmarks/c/array-patterns/array3_pattern.c[1393,1406] [2024-12-06 05:45:41,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:45:41,742 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:45:41,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41 WrapperNode [2024-12-06 05:45:41,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:45:41,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:45:41,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:45:41,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:45:41,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,773 INFO L138 Inliner]: procedures = 19, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2024-12-06 05:45:41,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:45:41,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:45:41,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:45:41,774 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:45:41,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,784 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,792 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,797 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:45:41,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:45:41,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:45:41,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:45:41,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:45:41" (1/1) ... [2024-12-06 05:45:41,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:45:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:45:41,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:45:41,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:45:41,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:45:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure square [2024-12-06 05:45:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure square [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:45:41,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:45:41,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:45:41,909 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:45:41,911 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:45:42,135 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 05:45:42,135 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:45:42,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:45:42,179 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 05:45:42,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:42 BoogieIcfgContainer [2024-12-06 05:45:42,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:45:42,180 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:45:42,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:45:42,194 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:45:42,194 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:45:42" (1/1) ... [2024-12-06 05:45:42,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:45:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:45:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 05:45:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 05:45:42,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:45:42,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:45:42,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:42,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:45:42,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:45:42,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:45:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:45:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:45:42,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:45:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:45:42,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:45:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:45:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-12-06 05:45:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-12-06 05:45:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:45:42,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:45:42,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:42,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:45:42,438 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:45:42,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:45:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:45:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 05:45:42,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:45:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:45:42,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:45:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:45:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2024-12-06 05:45:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-12-06 05:45:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 05:45:42,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:45:42,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:42,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:45:42,795 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:45:42,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:45:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:45:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:42,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:45:42,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:45:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:45:43,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:45:43,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:45:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 05:45:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 05:45:43,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:45:43,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:45:43,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:45:43,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:45:43,308 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:45:43,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:45:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:43,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:45:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:45:43,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 05:45:43,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:45:43,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:45:44,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:45:45,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:45:45,187 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:45:45,190 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:45:45,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 44 [2024-12-06 05:45:55,197 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:45:55,200 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:45:55,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 24 [2024-12-06 05:46:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:46:04,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:47:10,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 72 transitions. [2024-12-06 05:47:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-12-06 05:47:10,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:47:10,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:10,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:47:10,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:47:10,913 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:47:10,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:47:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:11,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:47:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:11,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 05:47:11,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:47:11,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 05:47:11,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 05:47:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 05:47:12,074 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:47:12,077 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:47:12,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 44 [2024-12-06 05:47:19,935 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:47:19,938 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-06 05:47:19,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 24 [2024-12-06 05:47:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:47:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 05:47:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:47:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2024-12-06 05:47:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2024-12-06 05:47:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 05:47:35,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:47:35,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:47:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:47:35,656 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:47:35,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:47:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:35,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:47:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:47:35,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:47:35,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:47:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 05:47:48,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d57b40-a2b0-4e08-babf-26014d3efdfe/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0