./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array25_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:19:41,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:19:41,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:19:41,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:19:41,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:19:41,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:19:41,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:19:41,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:19:41,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:19:41,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:19:41,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:19:41,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:19:41,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:19:41,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:19:41,282 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:19:41,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:19:41,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:19:41,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:19:41,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:19:41,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:19:41,284 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:19:41,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:41,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:19:41,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:19:41,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:19:41,285 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:19:41,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:19:41,285 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_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2024-11-13 23:19:41,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:19:41,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:19:41,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:19:41,573 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:19:41,573 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:19:41,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array25_pattern.c Unable to find full path for "g++" [2024-11-13 23:19:43,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:19:43,604 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:19:43,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c [2024-11-13 23:19:43,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/241e0ce8c/6e5b08f8ea2b4fecaaea3e38bed7cc04/FLAG22d545ada [2024-11-13 23:19:43,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/241e0ce8c/6e5b08f8ea2b4fecaaea3e38bed7cc04 [2024-11-13 23:19:43,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:19:43,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:19:43,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:43,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:19:43,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:19:43,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9715514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43, skipping insertion in model container [2024-11-13 23:19:43,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:19:43,837 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_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-11-13 23:19:43,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:43,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:19:43,883 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_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-11-13 23:19:43,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:43,917 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:19:43,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43 WrapperNode [2024-11-13 23:19:43,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:43,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:43,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:19:43,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:19:43,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,951 INFO L138 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-13 23:19:43,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:43,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:19:43,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:19:43,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:19:43,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:43,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:19:43,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:19:43,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:19:43,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:19:43,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:43" (1/1) ... [2024-11-13 23:19:44,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:44,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:19:44,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:19:44,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:19:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:19:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:19:44,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:19:44,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:44,353 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:44,353 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:44,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:44,482 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 23:19:44,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:44 BoogieIcfgContainer [2024-11-13 23:19:44,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:44,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:44,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:44,496 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:44,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:44" (1/1) ... [2024-11-13 23:19:44,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-11-13 23:19:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-11-13 23:19:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:19:44,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:44,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 23:19:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 23:19:44,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:19:44,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:44,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-11-13 23:19:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-11-13 23:19:45,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:19:45,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:19:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2024-11-13 23:19:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2024-11-13 23:19:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:19:45,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:19:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2024-11-13 23:19:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2024-11-13 23:19:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:19:45,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:45,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:19:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-11-13 23:19:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-11-13 23:19:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:19:46,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:46,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 23:19:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 23:19:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 23:19:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:19:46,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:46,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:19:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-13 23:19:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-13 23:19:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:19:47,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:47,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 23:19:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:47,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-11-13 23:19:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-13 23:19:47,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:19:47,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:47,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:19:48,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:48,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2024-11-13 23:19:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2024-11-13 23:19:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:19:48,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:19:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:48,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 23:19:48,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:48,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:19:48,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:19:48,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:19:48,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:19:49,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:19:49,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 40 [2024-11-13 23:19:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2024-11-13 23:19:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2024-11-13 23:19:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:19:55,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:55,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:19:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2024-11-13 23:19:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2024-11-13 23:19:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:19:57,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:57,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:19:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2024-11-13 23:19:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2024-11-13 23:19:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:19:59,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:59,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:59,682 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:20:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2024-11-13 23:20:00,093 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2024-11-13 23:20:00,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:20:00,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 29 proven. 18 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:20:01,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2024-11-13 23:20:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2024-11-13 23:20:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:20:01,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 13 proven. 43 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 23:20:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2024-11-13 23:20:02,193 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2024-11-13 23:20:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:20:02,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:02,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 23:20:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2024-11-13 23:20:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2024-11-13 23:20:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:20:04,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:04,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-13 23:20:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2024-11-13 23:20:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-13 23:20:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:20:07,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:07,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-13 23:20:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-13 23:20:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 23:20:08,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:20:08,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:08,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 4 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 23:20:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2024-11-13 23:20:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-11-13 23:20:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 23:20:09,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:09,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:09,724 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-13 23:20:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2024-11-13 23:20:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2024-11-13 23:20:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:20:10,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:10,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 23:20:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2024-11-13 23:20:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-13 23:20:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:20:11,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 48 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 23:20:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2024-11-13 23:20:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2024-11-13 23:20:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:20:12,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:12,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:20:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:13,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-13 23:20:13,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:13,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:20:13,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:20:13,858 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:13,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:20:14,404 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:14,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 23:20:14,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:14,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 50 [2024-11-13 23:20:14,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:14,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 49 treesize of output 60 [2024-11-13 23:20:15,645 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:15,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-11-13 23:20:15,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:15,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 80 [2024-11-13 23:20:16,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:16,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 70 treesize of output 90 [2024-11-13 23:20:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2024-11-13 23:20:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2024-11-13 23:20:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:20:39,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:39,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 46 proven. 31 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-13 23:20:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 93 states and 130 transitions. [2024-11-13 23:20:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-13 23:20:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:20:45,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:45,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 15 proven. 66 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-13 23:20:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 98 states and 135 transitions. [2024-11-13 23:20:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions. [2024-11-13 23:20:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:20:49,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:49,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:50,458 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 23:20:54,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:54,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 104 states and 144 transitions. [2024-11-13 23:20:54,623 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2024-11-13 23:20:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 23:20:54,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:54,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 84 proven. 31 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-13 23:20:55,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 97 states and 133 transitions. [2024-11-13 23:20:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 133 transitions. [2024-11-13 23:20:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 23:20:55,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:20:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:56,345 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 42 proven. 73 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-13 23:21:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 99 states and 134 transitions. [2024-11-13 23:21:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2024-11-13 23:21:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:21:01,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:01,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 52 proven. 88 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 23:21:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 140 transitions. [2024-11-13 23:21:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 140 transitions. [2024-11-13 23:21:07,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:07,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:07,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 20 proven. 103 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-13 23:21:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 100 states and 131 transitions. [2024-11-13 23:21:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 131 transitions. [2024-11-13 23:21:13,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 23:21:13,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:13,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 7 proven. 148 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 23:21:17,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 106 states and 139 transitions. [2024-11-13 23:21:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 139 transitions. [2024-11-13 23:21:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:21:17,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:21:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:21,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 190 conjuncts are in the unsatisfiable core [2024-11-13 23:21:21,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:21,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:21:21,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:21:22,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:22,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:21:22,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:22,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 23:21:23,632 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:23,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-11-13 23:21:24,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:24,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 60 [2024-11-13 23:21:24,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:24,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-11-13 23:21:24,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:24,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 82 [2024-11-13 23:21:26,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:26,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-11-13 23:21:26,829 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:26,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 102 [2024-11-13 23:21:27,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:27,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 112 [2024-11-13 23:21:27,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:27,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 93 treesize of output 122 [2024-11-13 23:21:29,399 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:29,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 100 treesize of output 132 [2024-11-13 23:21:30,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:30,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 107 treesize of output 144 [2024-11-13 23:21:30,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:30,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 116 treesize of output 154 [2024-11-13 23:21:31,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:21:31,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 123 treesize of output 166 [2024-11-13 23:21:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 151 states and 196 transitions. [2024-11-13 23:22:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 196 transitions. [2024-11-13 23:22:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 23:22:53,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:53,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:22:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:23:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:00,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 190 conjuncts are in the unsatisfiable core [2024-11-13 23:23:00,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:00,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:23:00,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:23:00,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:00,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:23:01,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-11-13 23:23:01,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 48 [2024-11-13 23:23:01,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 47 treesize of output 60 [2024-11-13 23:23:01,890 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 56 treesize of output 70 [2024-11-13 23:23:01,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 63 treesize of output 82 [2024-11-13 23:23:02,106 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 72 treesize of output 92 [2024-11-13 23:23:02,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 79 treesize of output 102 [2024-11-13 23:23:02,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 112 [2024-11-13 23:23:02,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 93 treesize of output 122 [2024-11-13 23:23:02,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 100 treesize of output 132 [2024-11-13 23:23:02,723 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 107 treesize of output 144 [2024-11-13 23:23:02,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:02,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 105 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 116 treesize of output 154 [2024-11-13 23:23:03,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:03,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 120 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 123 treesize of output 166 [2024-11-13 23:23:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:23:07,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 152 states and 196 transitions. [2024-11-13 23:23:07,536 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-13 23:23:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 23:23:07,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:07,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:10,027 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 125 proven. 47 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-11-13 23:23:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 159 states and 207 transitions. [2024-11-13 23:23:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2024-11-13 23:23:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:23:22,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:22,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 107 proven. 101 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-13 23:23:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 166 states and 213 transitions. [2024-11-13 23:23:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 213 transitions. [2024-11-13 23:23:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 23:23:34,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:34,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 27 proven. 155 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-11-13 23:23:44,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:44,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 172 states and 219 transitions. [2024-11-13 23:23:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2024-11-13 23:23:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 23:23:44,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:44,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 6 proven. 235 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-13 23:23:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 178 states and 228 transitions. [2024-11-13 23:23:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 228 transitions. [2024-11-13 23:23:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 23:23:55,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:55,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 182 proven. 47 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-13 23:23:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 164 states and 210 transitions. [2024-11-13 23:23:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions. [2024-11-13 23:23:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 23:23:58,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:58,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:23:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 90 proven. 139 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-13 23:24:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 166 states and 211 transitions. [2024-11-13 23:24:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2024-11-13 23:24:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 23:24:14,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:14,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 133 proven. 163 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2024-11-13 23:24:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 173 states and 218 transitions. [2024-11-13 23:24:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 218 transitions. [2024-11-13 23:24:28,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 23:24:28,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:28,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 114 proven. 187 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-13 23:24:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 167 states and 208 transitions. [2024-11-13 23:24:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 208 transitions. [2024-11-13 23:24:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 23:24:42,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:42,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 33 proven. 211 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-11-13 23:24:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 168 states and 208 transitions. [2024-11-13 23:24:53,963 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2024-11-13 23:24:53,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 23:24:53,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:24:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:54,433 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 11 proven. 355 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-13 23:25:01,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 175 states and 217 transitions. [2024-11-13 23:25:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 217 transitions. [2024-11-13 23:25:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:25:01,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:01,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:25:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:25:11,708 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) 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) [2024-11-13 23:25:11,712 INFO L158 Benchmark]: Toolchain (without parser) took 328069.64ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 92.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 501.7MB. Max. memory is 16.1GB. [2024-11-13 23:25:11,713 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:11,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.66ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:11,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.13ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:25:11,713 INFO L158 Benchmark]: Boogie Preprocessor took 34.90ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 842.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:25:11,714 INFO L158 Benchmark]: RCFGBuilder took 491.46ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 62.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:25:11,714 INFO L158 Benchmark]: CodeCheck took 327227.87ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 62.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 468.1MB. Max. memory is 16.1GB. [2024-11-13 23:25:11,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.66ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.13ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.90ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 842.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 491.46ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 62.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 327227.87ms. Allocated memory was 117.4MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 62.4MB in the beginning and 1.2GB in the end (delta: -1.2GB). Peak memory consumption was 468.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:25:11,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array25_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:25:14,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:25:14,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:25:14,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:25:14,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:25:14,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:25:14,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:25:14,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:25:14,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:25:14,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:25:14,564 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:25:14,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:25:14,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:25:14,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:14,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:25:14,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:25:14,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:25:14,570 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:25:14,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:14,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:25:14,570 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_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5acc4e7957d3ad66d9b011b6d1c27cdde7a453adaa0d9781357dfd70a9cc20a [2024-11-13 23:25:14,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:25:14,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:25:14,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:25:14,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:25:14,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:25:14,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array25_pattern.c Unable to find full path for "g++" [2024-11-13 23:25:16,985 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:25:17,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:25:17,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c [2024-11-13 23:25:17,233 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/93597733a/3db7703b3ca449a0b782f11f99c607e2/FLAG4c0f89d6f [2024-11-13 23:25:17,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/data/93597733a/3db7703b3ca449a0b782f11f99c607e2 [2024-11-13 23:25:17,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:25:17,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:25:17,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:17,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:25:17,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:25:17,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a77d09e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17, skipping insertion in model container [2024-11-13 23:25:17,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:25:17,459 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_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-11-13 23:25:17,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:17,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:25:17,518 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_6ea0ad13-91ea-469b-8851-c39b7daad526/sv-benchmarks/c/array-patterns/array25_pattern.c[1270,1283] [2024-11-13 23:25:17,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:25:17,560 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:25:17,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17 WrapperNode [2024-11-13 23:25:17,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:25:17,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:17,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:25:17,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:25:17,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,601 INFO L138 Inliner]: procedures = 18, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-13 23:25:17,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:25:17,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:25:17,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:25:17,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:25:17,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:25:17,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:25:17,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:25:17,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:25:17,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:17" (1/1) ... [2024-11-13 23:25:17,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:25:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:25:17,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:25:17,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:25:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:25:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:25:17,815 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:25:17,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:25:18,138 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-13 23:25:18,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:25:18,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:25:18,247 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-13 23:25:18,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:18 BoogieIcfgContainer [2024-11-13 23:25:18,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:25:18,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:25:18,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:25:18,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:25:18,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:18" (1/1) ... [2024-11-13 23:25:18,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:25:18,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2024-11-13 23:25:18,318 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2024-11-13 23:25:18,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 23:25:18,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:18,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:18,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:18,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:18,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:25:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:18,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:18,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:25:18,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:18,590 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:25:18,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2024-11-13 23:25:18,732 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2024-11-13 23:25:18,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:25:18,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:18,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:18,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:18,735 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:18,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:25:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:18,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:18,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:25:18,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:18,864 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:25:18,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:25:18,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:18,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2024-11-13 23:25:18,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2024-11-13 23:25:18,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:25:18,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:18,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:18,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:18,919 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:25:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:18,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:19,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 23:25:19,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 23:25:19,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2024-11-13 23:25:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2024-11-13 23:25:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:25:19,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:19,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:19,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:19,101 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:19,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:25:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:19,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:19,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:25:19,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:25:19,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:19,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2024-11-13 23:25:19,694 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2024-11-13 23:25:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:25:19,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:19,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:19,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:19,700 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:19,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:25:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:19,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:19,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:25:19,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:20,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:25:20,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 15 states and 26 transitions. [2024-11-13 23:25:20,615 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 26 transitions. [2024-11-13 23:25:20,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:25:20,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:20,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:20,619 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:20,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:25:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:20,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:20,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:25:20,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:25:21,025 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:25:21,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 23:25:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2024-11-13 23:25:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2024-11-13 23:25:21,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 23:25:21,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:21,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:21,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:21,714 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:25:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:21,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:21,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:21,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:22,261 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 23:25:22,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2024-11-13 23:25:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2024-11-13 23:25:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:25:24,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:24,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:24,612 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:24,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:25:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:24,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:24,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:24,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:25,156 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:25:25,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 23:25:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2024-11-13 23:25:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2024-11-13 23:25:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:25:26,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:26,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:26,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:26,926 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:26,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:25:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:27,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:27,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 23:25:27,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:25:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2024-11-13 23:25:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2024-11-13 23:25:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:25:29,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:29,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:29,784 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:29,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:25:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:29,950 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:30,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:30,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 23:25:30,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:25:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:30,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 59 transitions. [2024-11-13 23:25:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 59 transitions. [2024-11-13 23:25:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:25:30,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:30,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:30,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:30,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:30,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:25:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:31,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:31,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 23:25:31,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:31,478 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:25:31,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:25:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2024-11-13 23:25:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2024-11-13 23:25:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:25:32,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:32,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:32,502 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:32,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:25:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:32,698 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:32,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 23:25:32,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:32,992 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 23:25:32,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:25:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 31 states and 66 transitions. [2024-11-13 23:25:33,165 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 66 transitions. [2024-11-13 23:25:33,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:25:33,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:33,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:33,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:33,167 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:33,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:25:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:33,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:34,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:25:34,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:34,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:25:34,810 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:25:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:35,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:35,839 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:35,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2024-11-13 23:25:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:36,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:36,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:36,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:36,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:36,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 48 [2024-11-13 23:25:38,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:38,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:38,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:25:38,788 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:25:38,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 15 [2024-11-13 23:25:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:25:39,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:25:53,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:53,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 108 transitions. [2024-11-13 23:25:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 108 transitions. [2024-11-13 23:25:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:25:53,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:53,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:53,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:53,773 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:53,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:25:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:53,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:54,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:25:54,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:25:56,449 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:25:56,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:26:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 52 states and 117 transitions. [2024-11-13 23:26:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 117 transitions. [2024-11-13 23:26:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:26:04,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:04,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:26:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:04,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:05,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:05,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 23:26:07,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:26:10,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:10,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 53 states and 120 transitions. [2024-11-13 23:26:10,414 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 120 transitions. [2024-11-13 23:26:10,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:26:10,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:10,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:10,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:10,418 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:10,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:26:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:10,629 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:10,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:10,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 23:26:11,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:26:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 54 states and 125 transitions. [2024-11-13 23:26:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 125 transitions. [2024-11-13 23:26:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:26:12,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:12,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:12,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:12,414 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:26:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:12,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:12,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:12,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 23:26:12,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:14,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 55 states and 126 transitions. [2024-11-13 23:26:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 126 transitions. [2024-11-13 23:26:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:26:14,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:14,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:14,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:14,259 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:14,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:26:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:14,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:26:14,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 23:26:16,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:26:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 60 states and 136 transitions. [2024-11-13 23:26:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 136 transitions. [2024-11-13 23:26:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 23:26:27,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:27,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:27,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:27,257 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:27,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:26:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:27,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:27,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:27,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:26:28,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:26:32,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 62 states and 139 transitions. [2024-11-13 23:26:32,073 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 139 transitions. [2024-11-13 23:26:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 23:26:32,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:32,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:32,076 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:32,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:26:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:32,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:32,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:26:32,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:26:35,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 63 states and 140 transitions. [2024-11-13 23:26:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 140 transitions. [2024-11-13 23:26:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:26:38,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:38,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:38,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:38,991 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:38,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:26:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:39,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:26:39,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-13 23:26:40,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:26:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 65 states and 143 transitions. [2024-11-13 23:26:45,229 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 143 transitions. [2024-11-13 23:26:45,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:26:45,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:45,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:45,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:45,234 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:26:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:45,520 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:45,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:45,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:26:46,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:51,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:51,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 146 transitions. [2024-11-13 23:26:51,834 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 146 transitions. [2024-11-13 23:26:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:26:51,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:51,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:51,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:51,838 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:51,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:26:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:52,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:52,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:26:52,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 23 proven. 24 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:26:52,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 23:26:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 151 transitions. [2024-11-13 23:26:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-11-13 23:26:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:26:57,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:57,015 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:57,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:26:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:57,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:26:57,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 23:26:58,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 23:27:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:01,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 71 states and 153 transitions. [2024-11-13 23:27:01,809 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 153 transitions. [2024-11-13 23:27:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:27:01,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:01,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:01,812 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:01,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:27:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:02,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:02,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:02,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 20 proven. 34 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 23:27:05,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 23:27:14,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 74 states and 158 transitions. [2024-11-13 23:27:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 158 transitions. [2024-11-13 23:27:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:27:14,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:14,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:14,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:14,766 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:27:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:15,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:15,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:15,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-13 23:27:15,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 23:27:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 80 states and 175 transitions. [2024-11-13 23:27:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 175 transitions. [2024-11-13 23:27:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:27:27,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:27,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:27,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:27,980 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:27,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:27:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:28,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:27:28,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-13 23:27:28,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:27:33,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 82 states and 179 transitions. [2024-11-13 23:27:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 179 transitions. [2024-11-13 23:27:33,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:27:33,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:33,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:33,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:33,107 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:33,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:27:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:33,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:27:33,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 23:27:37,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-13 23:27:48,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 85 states and 183 transitions. [2024-11-13 23:27:48,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 183 transitions. [2024-11-13 23:27:48,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:27:48,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:48,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:48,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:48,523 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:48,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:27:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:48,910 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:27:49,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 23:27:50,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 90 states and 198 transitions. [2024-11-13 23:28:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 198 transitions. [2024-11-13 23:28:00,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 23:28:00,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:00,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:00,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:00,762 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:00,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:28:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:01,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 23:28:01,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:01,835 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 5 proven. 54 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-11-13 23:28:01,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:28:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 94 states and 206 transitions. [2024-11-13 23:28:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 206 transitions. [2024-11-13 23:28:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:28:11,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:11,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:11,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:11,041 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:11,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:28:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:11,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:28:11,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 11 proven. 74 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 23:28:13,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:28:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2024-11-13 23:28:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2024-11-13 23:28:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:28:21,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:21,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:21,825 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:21,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:28:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:22,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:22,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 23:28:22,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:28:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 98 states and 214 transitions. [2024-11-13 23:28:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 214 transitions. [2024-11-13 23:28:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 23:28:27,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:27,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:27,647 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:27,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:28:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:28,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:28,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-13 23:28:28,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:28:32,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 99 states and 216 transitions. [2024-11-13 23:28:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 216 transitions. [2024-11-13 23:28:32,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 23:28:32,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:32,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:32,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:32,400 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:32,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:28:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:32,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:33,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:33,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 40 proven. 41 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 23:28:33,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:28:34,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:34,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 100 states and 218 transitions. [2024-11-13 23:28:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 218 transitions. [2024-11-13 23:28:34,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:28:34,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:34,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:34,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:34,263 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:34,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:28:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:34,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:35,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:28:35,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 80 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 23:28:35,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 23:28:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 101 states and 219 transitions. [2024-11-13 23:28:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 219 transitions. [2024-11-13 23:28:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:28:38,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:38,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:38,365 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:38,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:28:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:38,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:39,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:39,578 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 30 proven. 41 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:28:39,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 23:28:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 104 states and 230 transitions. [2024-11-13 23:28:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 230 transitions. [2024-11-13 23:28:47,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:28:47,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:47,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:47,650 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:47,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:28:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:48,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:28:48,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:49,032 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 30 proven. 41 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:28:49,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 23:28:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 107 states and 237 transitions. [2024-11-13 23:28:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 237 transitions. [2024-11-13 23:28:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:28:56,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:56,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:56,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:56,823 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:56,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:28:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:57,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:28:57,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 46 proven. 48 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-13 23:29:03,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:29:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:19,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 110 states and 242 transitions. [2024-11-13 23:29:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 242 transitions. [2024-11-13 23:29:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:29:19,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:19,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:19,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:19,701 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:19,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:29:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:27,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 23:29:27,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:27,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:29:27,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:29:28,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:28,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:29:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:31,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:31,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-11-13 23:29:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:32,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:32,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 58 [2024-11-13 23:29:33,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:33,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:33,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 73 [2024-11-13 23:29:37,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:37,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:37,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 86 [2024-11-13 23:29:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:39,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:39,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 101 [2024-11-13 23:29:41,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:29:41,280 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:29:41,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 116 [2024-11-13 23:30:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:30:03,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:30:03,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 92 treesize of output 30 [2024-11-13 23:30:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:30:04,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:31:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:27,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 135 states and 313 transitions. [2024-11-13 23:31:27,168 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 313 transitions. [2024-11-13 23:31:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 23:31:27,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:27,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:27,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:27,171 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:27,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:31:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:34,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:34,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-13 23:31:34,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:34,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-13 23:31:34,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-13 23:31:34,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:34,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-11-13 23:31:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:35,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 41 [2024-11-13 23:31:35,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:35,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 58 [2024-11-13 23:31:35,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:35,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 73 [2024-11-13 23:31:35,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:35,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 72 treesize of output 86 [2024-11-13 23:31:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:35,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:36,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 84 treesize of output 101 [2024-11-13 23:31:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:36,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:36,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 96 treesize of output 116 [2024-11-13 23:31:38,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 23:31:38,862 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:31:38,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 92 treesize of output 30 [2024-11-13 23:31:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:31:38,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 23:31:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:31:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 138 states and 314 transitions. [2024-11-13 23:31:44,556 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 314 transitions. [2024-11-13 23:31:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:31:44,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:31:44,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:31:44,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:31:44,561 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:31:44,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:31:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:45,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:31:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:31:45,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:31:45,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:31:52,163 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 23:31:52,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:32:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 139 states and 319 transitions. [2024-11-13 23:32:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 319 transitions. [2024-11-13 23:32:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:01,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:01,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:01,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:01,810 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:01,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:32:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:02,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:02,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:32:02,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 75 proven. 9 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-13 23:32:03,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:32:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 140 states and 320 transitions. [2024-11-13 23:32:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 320 transitions. [2024-11-13 23:32:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:07,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:07,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:07,351 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:07,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:32:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:07,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:08,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:08,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-13 23:32:17,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:32:29,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:29,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 141 states and 321 transitions. [2024-11-13 23:32:29,290 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 321 transitions. [2024-11-13 23:32:29,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:29,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:29,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:29,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:29,292 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:29,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:32:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:30,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:30,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:30,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 37 proven. 40 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-13 23:32:30,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 23:32:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:35,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 142 states and 324 transitions. [2024-11-13 23:32:35,043 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 324 transitions. [2024-11-13 23:32:35,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:35,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:35,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:35,045 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:35,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:32:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:35,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:35,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:35,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 83 proven. 50 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 23:32:36,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:32:40,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 143 states and 325 transitions. [2024-11-13 23:32:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 325 transitions. [2024-11-13 23:32:40,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:40,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:40,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:40,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:40,224 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:40,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:32:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:40,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:41,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:41,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 50 proven. 44 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:32:41,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 23:32:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 144 states and 327 transitions. [2024-11-13 23:32:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 327 transitions. [2024-11-13 23:32:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:44,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:44,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:44,761 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:44,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:32:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:45,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:45,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:45,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 63 proven. 44 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 23:32:46,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 23:32:50,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:50,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 145 states and 328 transitions. [2024-11-13 23:32:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 328 transitions. [2024-11-13 23:32:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 23:32:50,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:50,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:50,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:50,636 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:50,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:32:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:51,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:51,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 23:32:51,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:52,019 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 42 proven. 44 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 23:32:52,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 23:32:55,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:32:55,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 146 states and 329 transitions. [2024-11-13 23:32:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 329 transitions. [2024-11-13 23:32:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:32:55,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:32:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:32:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:32:55,878 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:32:55,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:32:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:56,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:32:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:32:56,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:32:56,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:32:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 23:32:58,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 23:33:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 147 states and 329 transitions. [2024-11-13 23:33:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 329 transitions. [2024-11-13 23:33:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:33:02,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:02,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:02,368 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:02,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:33:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:03,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:03,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:33:03,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:05,150 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 23:33:05,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-13 23:33:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 153 states and 346 transitions. [2024-11-13 23:33:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 346 transitions. [2024-11-13 23:33:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:33:26,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:26,937 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:26,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:33:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:27,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:27,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:33:27,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 15 proven. 57 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-13 23:33:29,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 155 states and 350 transitions. [2024-11-13 23:33:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 350 transitions. [2024-11-13 23:33:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:33:35,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:35,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:35,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:35,958 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:35,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:33:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:36,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:36,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:33:36,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-13 23:33:37,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 23:33:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 156 states and 352 transitions. [2024-11-13 23:33:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 352 transitions. [2024-11-13 23:33:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 23:33:41,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:41,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:41,227 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:41,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:33:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:42,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:42,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 23:33:42,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:42,973 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-13 23:33:42,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 23:33:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:33:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 157 states and 354 transitions. [2024-11-13 23:33:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 354 transitions. [2024-11-13 23:33:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:33:46,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:33:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:33:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:33:46,344 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:33:46,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:33:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:47,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:33:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:33:47,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 23:33:47,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:33:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 23:33:49,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ea0ad13-91ea-469b-8851-c39b7daad526/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0