./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array17_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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array17_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:37:12,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:37:12,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:37:12,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:37:12,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:37:12,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:37:12,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:37:12,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:37:12,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:37:12,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:37:12,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:37:12,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:37:12,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:37:12,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:37:12,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:37:12,299 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:37:12,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:37:12,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:12,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:37:12,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:37:12,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:37:12,299 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:37:12,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:37:12,300 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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 -> 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 [2024-11-13 22:37:12,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:37:12,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:37:12,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:37:12,678 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:37:12,678 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:37:12,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array17_pattern.c Unable to find full path for "g++" [2024-11-13 22:37:15,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:37:15,634 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:37:15,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c [2024-11-13 22:37:15,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/381ca32cc/826dbb213ace406cb69faff3c1075894/FLAG909cc8848 [2024-11-13 22:37:15,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/381ca32cc/826dbb213ace406cb69faff3c1075894 [2024-11-13 22:37:15,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:37:15,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:37:15,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:15,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:37:15,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:37:15,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:15" (1/1) ... [2024-11-13 22:37:15,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eef7fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:15, skipping insertion in model container [2024-11-13 22:37:15,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:15" (1/1) ... [2024-11-13 22:37:15,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:37:15,968 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2024-11-13 22:37:15,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:16,011 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:37:16,024 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2024-11-13 22:37:16,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:16,076 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:37:16,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16 WrapperNode [2024-11-13 22:37:16,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:16,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:16,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:37:16,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:37:16,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,114 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2024-11-13 22:37:16,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:16,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:37:16,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:37:16,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:37:16,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,143 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:37:16,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:37:16,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:37:16,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:37:16,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:16,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:37:16,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:37:16,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:37:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:37:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:37:16,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:37:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:37:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:37:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:37:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:37:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:37:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:37:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:37:16,314 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:37:16,317 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:37:16,556 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:37:16,556 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:37:16,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:37:16,666 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:37:16,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:16 BoogieIcfgContainer [2024-11-13 22:37:16,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:37:16,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:37:16,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:37:16,679 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:37:16,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:16" (1/1) ... [2024-11-13 22:37:16,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:37:16,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 22:37:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 22:37:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:37:16,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:16,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:16,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:37:17,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:17,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:37:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:37:17,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:37:17,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:17,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:17,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:37:17,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2024-11-13 22:37:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2024-11-13 22:37:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:37:17,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:17,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:37:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:18,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2024-11-13 22:37:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2024-11-13 22:37:18,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:37:18,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:37:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:18,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 32 transitions. [2024-11-13 22:37:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:37:18,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:37:18,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:18,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:37:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 47 transitions. [2024-11-13 22:37:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2024-11-13 22:37:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:37:19,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:19,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:19,287 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 49 transitions. [2024-11-13 22:37:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2024-11-13 22:37:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:37:19,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:19,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 22:37:19,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:20,053 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 22:37:21,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 231 [2024-11-13 22:37:21,415 INFO L349 Elim1Store]: treesize reduction 392, result has 16.4 percent of original size [2024-11-13 22:37:21,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 267 treesize of output 374 [2024-11-13 22:37:22,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:22,113 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:37:22,122 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:37:22,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 240 treesize of output 92 [2024-11-13 22:37:22,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:22,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2024-11-13 22:37:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:37:26,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 82 transitions. [2024-11-13 22:37:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-13 22:37:26,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:37:26,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:26,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:27,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 22:37:27,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:27,538 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 22:37:28,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 251 treesize of output 231 [2024-11-13 22:37:28,823 INFO L349 Elim1Store]: treesize reduction 366, result has 22.0 percent of original size [2024-11-13 22:37:28,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 267 treesize of output 400 [2024-11-13 22:37:29,252 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:29,256 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2024-11-13 22:37:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:37:29,436 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:37:29,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:37:29,523 INFO L349 Elim1Store]: treesize reduction 85, result has 41.8 percent of original size [2024-11-13 22:37:29,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 270 treesize of output 172 [2024-11-13 22:37:31,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:37:31,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 47 [2024-11-13 22:37:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:37:33,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:33,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 46 states and 92 transitions. [2024-11-13 22:37:33,747 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 92 transitions. [2024-11-13 22:37:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:37:33,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:33,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:34,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 49 states and 101 transitions. [2024-11-13 22:37:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2024-11-13 22:37:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:37:36,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:36,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:37:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 50 states and 104 transitions. [2024-11-13 22:37:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 104 transitions. [2024-11-13 22:37:37,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:37:37,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:37,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:38,442 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 51 states and 106 transitions. [2024-11-13 22:37:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 106 transitions. [2024-11-13 22:37:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:37:39,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:39,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:39,822 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:37:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:41,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 53 states and 110 transitions. [2024-11-13 22:37:41,140 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 110 transitions. [2024-11-13 22:37:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:37:41,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:41,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:42,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 114 transitions. [2024-11-13 22:37:42,778 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2024-11-13 22:37:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:37:42,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:42,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:37:43,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 56 states and 116 transitions. [2024-11-13 22:37:43,559 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 116 transitions. [2024-11-13 22:37:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:37:43,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:45,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 123 transitions. [2024-11-13 22:37:45,812 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions. [2024-11-13 22:37:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:37:45,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:46,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 60 states and 124 transitions. [2024-11-13 22:37:46,694 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2024-11-13 22:37:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:37:46,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:37:47,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:47,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 61 states and 126 transitions. [2024-11-13 22:37:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-13 22:37:47,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:37:47,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:47,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 22:37:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 72 states and 146 transitions. [2024-11-13 22:37:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 146 transitions. [2024-11-13 22:37:52,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:37:52,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:37:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 78 states and 162 transitions. [2024-11-13 22:37:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 162 transitions. [2024-11-13 22:37:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:37:54,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 22:37:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 165 transitions. [2024-11-13 22:37:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 165 transitions. [2024-11-13 22:37:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:37:55,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:37:55,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-13 22:37:55,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:37:55,298 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 22:37:56,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:37:57,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-13 22:37:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:38:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 84 states and 175 transitions. [2024-11-13 22:38:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 175 transitions. [2024-11-13 22:38:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:38:02,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:38:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 138 transitions. [2024-11-13 22:38:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2024-11-13 22:38:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:38:04,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:04,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:38:04,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 71 states and 139 transitions. [2024-11-13 22:38:04,631 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2024-11-13 22:38:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:38:04,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:04,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:04,925 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:38:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:05,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 72 states and 142 transitions. [2024-11-13 22:38:05,409 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2024-11-13 22:38:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:38:05,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:05,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 22:38:06,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 74 states and 148 transitions. [2024-11-13 22:38:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 148 transitions. [2024-11-13 22:38:06,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:38:06,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:38:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:06,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 22:38:06,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:06,753 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 22:38:06,862 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 22:38:07,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:07,445 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 22:38:07,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:07,650 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 22:38:09,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 220 [2024-11-13 22:38:09,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:09,714 INFO L349 Elim1Store]: treesize reduction 464, result has 10.9 percent of original size [2024-11-13 22:38:09,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 202 treesize of output 336 [2024-11-13 22:38:10,125 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:10,126 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2024-11-13 22:38:10,160 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:10,161 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2024-11-13 22:38:15,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 118 [2024-11-13 22:38:15,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:15,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 111 treesize of output 95 [2024-11-13 22:38:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:38:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 93 states and 186 transitions. [2024-11-13 22:38:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 186 transitions. [2024-11-13 22:38:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:38:30,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:30,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:38:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:30,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-13 22:38:30,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:30,783 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 22:38:30,885 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 22:38:31,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:31,167 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 22:38:31,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:31,188 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 22:38:32,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 220 [2024-11-13 22:38:32,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:32,919 INFO L349 Elim1Store]: treesize reduction 450, result has 13.6 percent of original size [2024-11-13 22:38:32,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 202 treesize of output 350 [2024-11-13 22:38:33,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:33,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:33,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:38:33,189 INFO L349 Elim1Store]: treesize reduction 121, result has 4.0 percent of original size [2024-11-13 22:38:33,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 208 treesize of output 64 [2024-11-13 22:38:36,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:38:36,359 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 111 treesize of output 51 [2024-11-13 22:38:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:38:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 94 states and 186 transitions. [2024-11-13 22:38:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2024-11-13 22:38:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:38:41,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:41,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:38:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 98 states and 195 transitions. [2024-11-13 22:38:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2024-11-13 22:38:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:38:46,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:46,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:38:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 100 states and 197 transitions. [2024-11-13 22:38:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2024-11-13 22:38:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:38:48,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:48,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:48,728 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:38:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 105 states and 214 transitions. [2024-11-13 22:38:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 214 transitions. [2024-11-13 22:38:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 22:38:52,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:38:54,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 107 states and 218 transitions. [2024-11-13 22:38:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 218 transitions. [2024-11-13 22:38:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:38:54,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:54,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:38:56,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 109 states and 223 transitions. [2024-11-13 22:38:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 223 transitions. [2024-11-13 22:38:56,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:38:56,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:56,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:38:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 110 states and 224 transitions. [2024-11-13 22:38:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 224 transitions. [2024-11-13 22:38:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:38:57,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:57,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 22:38:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 112 states and 227 transitions. [2024-11-13 22:38:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 227 transitions. [2024-11-13 22:38:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:38:58,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:38:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 24 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-13 22:39:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 113 states and 229 transitions. [2024-11-13 22:39:01,679 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 229 transitions. [2024-11-13 22:39:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:39:01,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:01,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 22:39:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 114 states and 229 transitions. [2024-11-13 22:39:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 229 transitions. [2024-11-13 22:39:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 22:39:03,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:03,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-13 22:39:04,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 115 states and 230 transitions. [2024-11-13 22:39:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 230 transitions. [2024-11-13 22:39:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:39:04,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:04,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 38 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-13 22:39:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 117 states and 232 transitions. [2024-11-13 22:39:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 232 transitions. [2024-11-13 22:39:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:39:07,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:07,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 22:39:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:19,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 129 states and 250 transitions. [2024-11-13 22:39:19,114 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 250 transitions. [2024-11-13 22:39:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:39:19,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:19,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 22:39:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 130 states and 250 transitions. [2024-11-13 22:39:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 250 transitions. [2024-11-13 22:39:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:39:21,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:39:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:39:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:31,083 WARN L253 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-13 22:39:31,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:31,139 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 22:39:31,238 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 22:39:31,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:39:31,301 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 22:39:31,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:39:31,340 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 22:39:32,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 220 [2024-11-13 22:39:32,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:32,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:33,202 INFO L349 Elim1Store]: treesize reduction 464, result has 10.9 percent of original size [2024-11-13 22:39:33,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 202 treesize of output 336 [2024-11-13 22:39:33,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:33,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:33,584 INFO L349 Elim1Store]: treesize reduction 226, result has 10.0 percent of original size [2024-11-13 22:39:33,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 213 treesize of output 86 [2024-11-13 22:39:39,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 305 treesize of output 265 [2024-11-13 22:39:39,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:39:39,629 INFO L349 Elim1Store]: treesize reduction 428, result has 17.9 percent of original size [2024-11-13 22:39:39,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 7 select indices, 7 select index equivalence classes, 13 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 247 treesize of output 403 [2024-11-13 22:39:40,666 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:39:40,671 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1069 [2024-11-13 22:39:49,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 221 treesize of output 177 [2024-11-13 22:39:49,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:39:49,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 213 treesize of output 195 [2024-11-13 22:39:50,861 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 8 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:40:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:22,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 145 states and 277 transitions. [2024-11-13 22:40:22,316 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2024-11-13 22:40:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 22:40:22,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:22,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:40:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:40:32,444 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 22:40:32,449 INFO L158 Benchmark]: Toolchain (without parser) took 196740.61ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 130.2MB in the beginning and 895.4MB in the end (delta: -765.2MB). Peak memory consumption was 154.9MB. Max. memory is 16.1GB. [2024-11-13 22:40:32,449 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:32,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.96ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 118.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:40:32,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.53ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:32,450 INFO L158 Benchmark]: Boogie Preprocessor took 28.16ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 933.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:40:32,451 INFO L158 Benchmark]: RCFGBuilder took 522.65ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 97.9MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:40:32,451 INFO L158 Benchmark]: CodeCheck took 195780.63ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 97.9MB in the beginning and 895.4MB in the end (delta: -797.5MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2024-11-13 22:40:32,453 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 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.96ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 118.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.53ms. Allocated memory is still 167.8MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.16ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 933.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.65ms. Allocated memory is still 167.8MB. Free memory was 115.9MB in the beginning and 97.9MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 195780.63ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 922.7MB). Free memory was 97.9MB in the beginning and 895.4MB in the end (delta: -797.5MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:40:32,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array17_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:40:35,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:40:35,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:40:35,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:40:35,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:40:35,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:40:35,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:40:35,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:40:35,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:40:35,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:40:35,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:40:35,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:40:35,377 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:40:35,377 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:40:35,377 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:40:35,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:40:35,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:40:35,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:40:35,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:40:35,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:40:35,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:35,379 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:40:35,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:40:35,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:35,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:40:35,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:40:35,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:40:35,379 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:40:35,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:35,380 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:40:35,381 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/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 -> 1bbdbab39b20ef0f9bb51ea0fb71bf773586866898cf5babc34262381f9b9103 [2024-11-13 22:40:35,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:40:35,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:40:35,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:40:35,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:40:35,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:40:35,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-patterns/array17_pattern.c Unable to find full path for "g++" [2024-11-13 22:40:37,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:40:38,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:40:38,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c [2024-11-13 22:40:38,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/f33e13cca/d5cff5ab77984bf5884f187b67abe32c/FLAGdff4cfb1c [2024-11-13 22:40:38,571 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/data/f33e13cca/d5cff5ab77984bf5884f187b67abe32c [2024-11-13 22:40:38,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:40:38,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:40:38,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:38,582 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:40:38,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:40:38,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4ce717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38, skipping insertion in model container [2024-11-13 22:40:38,589 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:40:38,783 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2024-11-13 22:40:38,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:38,840 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:40:38,852 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_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/sv-benchmarks/c/array-patterns/array17_pattern.c[1441,1454] [2024-11-13 22:40:38,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:40:38,882 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:40:38,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38 WrapperNode [2024-11-13 22:40:38,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:40:38,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:38,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:40:38,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:40:38,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,928 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-11-13 22:40:38,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:40:38,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:40:38,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:40:38,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:40:38,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:40:38,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:40:38,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:40:38,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:40:38,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:40:38" (1/1) ... [2024-11-13 22:40:38,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:40:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:40:39,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:40:39,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:40:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:40:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:40:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 22:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 22:40:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:40:39,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:40:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:40:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:40:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:40:39,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:40:39,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:40:39,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:40:39,670 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:40:39,671 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:40:39,821 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:40:39,821 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-13 22:40:39,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:39 BoogieIcfgContainer [2024-11-13 22:40:39,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:40:39,823 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:40:39,823 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:40:39,834 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:40:39,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:40:39" (1/1) ... [2024-11-13 22:40:39,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:40:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2024-11-13 22:40:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2024-11-13 22:40:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:40:39,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:39,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:39,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:39,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:40:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:40:40,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:40:40,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:40:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-13 22:40:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-13 22:40:40,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:40:40,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:40,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:40,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:40,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:40,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:40:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:40:40,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:40:40,497 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:40:40,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:40:40,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-13 22:40:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-13 22:40:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:40:40,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:40,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:40,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:40,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:40:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:40,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:40:40,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:40:41,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:40:41,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 22:40:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 22:40:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:40:41,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:41,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:41,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:41,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:41,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:40:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:41,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:41,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:40:41,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:41,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:40:41,391 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 22:40:41,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:40:41,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 34 transitions. [2024-11-13 22:40:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-13 22:40:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:40:41,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:41,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:41,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:41,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:41,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:40:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:41,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:41,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:40:41,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:40:41,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:40:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 36 transitions. [2024-11-13 22:40:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-11-13 22:40:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 22:40:42,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:42,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:42,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:42,366 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:42,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:40:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:42,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:42,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:40:42,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:42,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:40:42,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:40:43,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:43,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 39 transitions. [2024-11-13 22:40:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-13 22:40:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:40:43,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:43,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:43,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:43,276 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:43,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:40:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:43,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:43,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:40:43,939 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:45,974 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 22:40:46,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 145 [2024-11-13 22:40:46,013 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:40:46,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 112 treesize of output 65 [2024-11-13 22:40:48,105 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:40:48,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:40:48,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 11 [2024-11-13 22:40:48,273 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:40:48,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:40:58,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 73 transitions. [2024-11-13 22:40:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2024-11-13 22:40:58,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:40:58,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:58,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:58,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:58,856 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:58,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:40:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:59,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:59,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:40:59,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:41:00,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:41:02,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 40 states and 77 transitions. [2024-11-13 22:41:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 22:41:02,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:41:02,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:02,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:02,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:02,235 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:02,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:41:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:02,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:02,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:41:02,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:41:03,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:41:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 42 states and 83 transitions. [2024-11-13 22:41:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2024-11-13 22:41:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 22:41:05,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:05,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:05,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:05,460 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:41:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:05,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:05,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:41:05,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 22:41:07,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 22:41:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 115 transitions. [2024-11-13 22:41:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2024-11-13 22:41:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 22:41:23,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:23,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:23,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:23,879 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:23,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:41:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:24,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:24,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:41:24,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 22:41:24,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:41:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 56 states and 118 transitions. [2024-11-13 22:41:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 118 transitions. [2024-11-13 22:41:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:41:26,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:26,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:26,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:41:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:26,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:26,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:41:26,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:41:26,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:41:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 124 transitions. [2024-11-13 22:41:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2024-11-13 22:41:28,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:41:28,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:28,359 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:28,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:41:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:28,589 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:28,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:41:28,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:41:28,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-13 22:41:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:30,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 58 states and 131 transitions. [2024-11-13 22:41:30,370 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 131 transitions. [2024-11-13 22:41:30,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:41:30,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:30,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:30,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:30,375 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:30,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 22:41:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:30,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:30,712 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:41:30,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:31,356 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-13 22:41:31,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 22:41:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 120 transitions. [2024-11-13 22:41:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2024-11-13 22:41:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:41:33,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:33,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:33,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:33,057 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:33,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 22:41:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:33,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:33,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:41:33,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:41:36,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 22:41:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 61 states and 136 transitions. [2024-11-13 22:41:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 136 transitions. [2024-11-13 22:41:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 22:41:57,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:57,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:57,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:57,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 22:41:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:58,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:58,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:41:58,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 22:42:02,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 22:42:15,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 65 states and 144 transitions. [2024-11-13 22:42:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 144 transitions. [2024-11-13 22:42:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:42:15,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:15,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:15,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:15,787 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:15,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 22:42:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:16,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:16,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 22:42:16,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:17,925 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 22:42:17,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 145 [2024-11-13 22:42:17,954 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:42:17,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 112 treesize of output 65 [2024-11-13 22:42:19,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-13 22:42:19,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:42:19,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 11 [2024-11-13 22:42:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:42:19,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-13 22:42:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:24,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 59 states and 128 transitions. [2024-11-13 22:42:24,343 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2024-11-13 22:42:24,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:42:24,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:24,347 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:24,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 22:42:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:24,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:24,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:42:24,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:42:27,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 22:42:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:50,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 70 states and 150 transitions. [2024-11-13 22:42:50,610 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 150 transitions. [2024-11-13 22:42:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:42:50,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:50,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:50,616 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:50,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 22:42:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:50,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:50,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:42:50,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:52,921 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:42:52,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 22:42:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:55,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 71 states and 155 transitions. [2024-11-13 22:42:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2024-11-13 22:42:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 22:42:55,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:55,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:55,152 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 22:42:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:55,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:55,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:42:55,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:42:57,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 22:43:00,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 72 states and 160 transitions. [2024-11-13 22:43:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2024-11-13 22:43:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:43:00,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:00,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:00,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:00,702 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:00,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 22:43:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:00,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:01,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:43:01,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:43:03,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 22:43:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 76 states and 180 transitions. [2024-11-13 22:43:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 180 transitions. [2024-11-13 22:43:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:43:14,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:14,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:14,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:14,428 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:14,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 22:43:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:14,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:14,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:43:14,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:43:17,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 22:43:21,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:43:27,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:43:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:33,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 79 states and 193 transitions. [2024-11-13 22:43:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 193 transitions. [2024-11-13 22:43:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:43:33,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:33,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:33,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:33,074 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:33,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 22:43:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:33,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:33,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:43:33,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:43:35,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 22:43:40,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:43:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 203 transitions. [2024-11-13 22:43:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2024-11-13 22:43:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:43:50,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:50,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:43:50,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:43:50,358 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:43:50,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 22:43:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:53,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:53,509 WARN L253 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-13 22:43:53,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:54,793 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 22:43:55,735 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 22:43:59,198 INFO L349 Elim1Store]: treesize reduction 44, result has 25.4 percent of original size [2024-11-13 22:43:59,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 31 [2024-11-13 22:44:00,503 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-11-13 22:44:00,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 46 [2024-11-13 22:44:11,595 WARN L560 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2024-11-13 22:44:11,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 285 [2024-11-13 22:44:11,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:11,766 INFO L224 Elim1Store]: Index analysis took 134 ms [2024-11-13 22:44:12,209 INFO L349 Elim1Store]: treesize reduction 734, result has 14.4 percent of original size [2024-11-13 22:44:12,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 256 treesize of output 255 [2024-11-13 22:44:16,476 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-13 22:44:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:47,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:47,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 22:44:49,521 INFO L349 Elim1Store]: treesize reduction 40, result has 93.0 percent of original size [2024-11-13 22:44:49,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 238 treesize of output 634 [2024-11-13 22:49:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:49:56,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfb2880-4ff5-4bb7-969d-f8fc03468c3d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0