./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:40,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:40,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:55:40,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:55:40,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:55:40,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:40,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:40,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:40,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:40,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:40,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:40,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:40,787 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:40,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:40,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:55:40,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:55:40,787 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a [2024-12-06 02:55:41,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:41,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:41,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:41,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:41,040 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:41,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-12-06 02:55:43,603 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/c88fb07c5/e329ca86d54d4a2a9fa22ec23a10635f/FLAG5268f01b5 [2024-12-06 02:55:43,812 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:43,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-12-06 02:55:43,821 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/c88fb07c5/e329ca86d54d4a2a9fa22ec23a10635f/FLAG5268f01b5 [2024-12-06 02:55:44,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/c88fb07c5/e329ca86d54d4a2a9fa22ec23a10635f [2024-12-06 02:55:44,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:44,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:44,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:44,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:44,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:44,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0d2242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44, skipping insertion in model container [2024-12-06 02:55:44,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:44,323 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-12-06 02:55:44,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:44,352 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:44,362 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-12-06 02:55:44,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:44,388 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:44,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44 WrapperNode [2024-12-06 02:55:44,389 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:44,389 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:44,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:44,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:44,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,414 INFO L138 Inliner]: procedures = 16, calls = 71, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-12-06 02:55:44,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:44,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:44,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:44,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:44,419 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:44,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:44,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:44,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:44,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:44,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:44,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:44,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_13_0 [2024-12-06 02:55:44,485 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_13_0 [2024-12-06 02:55:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:44,485 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-12-06 02:55:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_11_to_12_0 [2024-12-06 02:55:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_11_to_12_0 [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_14_to_16_0 [2024-12-06 02:55:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_14_to_16_0 [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_10_to_11_0 [2024-12-06 02:55:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_10_to_11_0 [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:44,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:55:44,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:55:44,578 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:44,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:55:44,814 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 02:55:44,815 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:55:44,882 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:55:44,882 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:55:44,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:44 BoogieIcfgContainer [2024-12-06 02:55:44,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:55:44,883 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:55:44,883 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:55:44,890 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:55:44,890 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:44" (1/1) ... [2024-12-06 02:55:44,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:55:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2024-12-06 02:55:44,946 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2024-12-06 02:55:44,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:55:44,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:44,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 56 states and 86 transitions. [2024-12-06 02:55:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 86 transitions. [2024-12-06 02:55:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:55:48,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 100 transitions. [2024-12-06 02:55:52,217 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2024-12-06 02:55:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:55:52,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:55,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 70 states and 118 transitions. [2024-12-06 02:55:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2024-12-06 02:55:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:55:55,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:55,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:55:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:55:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:58,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 77 states and 140 transitions. [2024-12-06 02:55:58,719 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 140 transitions. [2024-12-06 02:55:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:55:58,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:02,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 162 transitions. [2024-12-06 02:56:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 162 transitions. [2024-12-06 02:56:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:56:02,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:19,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 108 states and 223 transitions. [2024-12-06 02:56:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 223 transitions. [2024-12-06 02:56:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:56:19,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:19,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 115 states and 241 transitions. [2024-12-06 02:56:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 241 transitions. [2024-12-06 02:56:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 02:56:27,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:27,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:29,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:29,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 117 states and 246 transitions. [2024-12-06 02:56:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 246 transitions. [2024-12-06 02:56:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:56:29,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:29,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:31,644 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:56:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:41,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 129 states and 310 transitions. [2024-12-06 02:56:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 310 transitions. [2024-12-06 02:56:41,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:56:41,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:41,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:56:47,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 136 states and 368 transitions. [2024-12-06 02:56:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 368 transitions. [2024-12-06 02:56:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:56:47,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:47,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:52,512 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:57:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 149 states and 429 transitions. [2024-12-06 02:57:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 429 transitions. [2024-12-06 02:57:07,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:57:07,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:07,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:57:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:57:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 02:57:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:14,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 151 states and 435 transitions. [2024-12-06 02:57:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 435 transitions. [2024-12-06 02:57:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:57:14,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:14,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:57:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:57:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:57:35,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 158 states and 484 transitions. [2024-12-06 02:57:35,911 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 484 transitions. [2024-12-06 02:57:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:57:35,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:57:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:57:40,280 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 02:57:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 164 states and 530 transitions. [2024-12-06 02:57:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 530 transitions. [2024-12-06 02:57:52,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:57:52,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:52,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:57:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:57:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:58:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 173 states and 596 transitions. [2024-12-06 02:58:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 596 transitions. [2024-12-06 02:58:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:58:13,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:13,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:16,946 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:58:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 180 states and 626 transitions. [2024-12-06 02:58:28,835 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 626 transitions. [2024-12-06 02:58:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:58:28,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:58:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 182 states and 633 transitions. [2024-12-06 02:58:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 633 transitions. [2024-12-06 02:58:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:58:32,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:34,104 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:58:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 185 states and 645 transitions. [2024-12-06 02:58:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 645 transitions. [2024-12-06 02:58:38,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 02:58:38,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:38,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:58:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:58:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 189 states and 709 transitions. [2024-12-06 02:58:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 709 transitions. [2024-12-06 02:58:56,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 02:58:56,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:58:56,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:58:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:58:58,031 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:395) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:871) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:795) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:343) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:207) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:155) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:292) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:227) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:559) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:443) 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) [2024-12-06 02:58:58,036 INFO L158 Benchmark]: Toolchain (without parser) took 193839.62ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 93.6MB in the beginning and 782.7MB in the end (delta: -689.1MB). Peak memory consumption was 928.6MB. Max. memory is 16.1GB. [2024-12-06 02:58:58,036 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:58,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.90ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:58:58,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.51ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:58:58,037 INFO L158 Benchmark]: Boogie Preprocessor took 21.83ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:58:58,038 INFO L158 Benchmark]: RCFGBuilder took 445.97ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 52.7MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:58:58,038 INFO L158 Benchmark]: CodeCheck took 193151.73ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 52.7MB in the beginning and 782.7MB in the end (delta: -730.0MB). Peak memory consumption was 886.6MB. Max. memory is 16.1GB. [2024-12-06 02:58:58,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.90ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.51ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.83ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 78.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 445.97ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 52.7MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 193151.73ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 52.7MB in the beginning and 782.7MB in the end (delta: -730.0MB). Peak memory consumption was 886.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:58:58,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:58:59,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:59:00,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:59:00,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:59:00,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:59:00,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:59:00,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:59:00,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:59:00,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:59:00,105 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:59:00,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:59:00,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:00,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:00,106 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:59:00,106 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dea78793c7130d873f751539350d9a84f129d659be765f9ed3f85c683976c43a [2024-12-06 02:59:00,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:59:00,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:59:00,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:59:00,356 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:59:00,356 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:59:00,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-12-06 02:59:03,120 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/a0fc399c6/c1bff31aad684e22b3d10c17442ccc0a/FLAG145a00e8b [2024-12-06 02:59:03,281 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:59:03,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c [2024-12-06 02:59:03,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/a0fc399c6/c1bff31aad684e22b3d10c17442ccc0a/FLAG145a00e8b [2024-12-06 02:59:03,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/data/a0fc399c6/c1bff31aad684e22b3d10c17442ccc0a [2024-12-06 02:59:03,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:59:03,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:59:03,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:03,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:59:03,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:59:03,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab59f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03, skipping insertion in model container [2024-12-06 02:59:03,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:59:03,448 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-12-06 02:59:03,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:03,477 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:59:03,487 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_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/sv-benchmarks/c/recursified_loop-simple/recursified_deep-nested.c[1440,1453] [2024-12-06 02:59:03,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:59:03,513 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:59:03,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03 WrapperNode [2024-12-06 02:59:03,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:59:03,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:03,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:59:03,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:59:03,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,541 INFO L138 Inliner]: procedures = 18, calls = 71, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-12-06 02:59:03,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:59:03,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:59:03,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:59:03,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:59:03,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:59:03,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:59:03,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:59:03,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:59:03,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:59:03" (1/1) ... [2024-12-06 02:59:03,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:59:03,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:59:03,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:59:03,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:59:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_12_to_13_0 [2024-12-06 02:59:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_12_to_13_0 [2024-12-06 02:59:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:59:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_13_to_14_0 [2024-12-06 02:59:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_13_to_14_0 [2024-12-06 02:59:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_11_to_12_0 [2024-12-06 02:59:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_11_to_12_0 [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_14_to_16_0 [2024-12-06 02:59:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_14_to_16_0 [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_10_to_11_0 [2024-12-06 02:59:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_10_to_11_0 [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:59:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:59:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:59:03,713 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:59:03,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:59:03,996 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 02:59:03,996 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:59:04,057 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:59:04,057 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:59:04,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:59:04 BoogieIcfgContainer [2024-12-06 02:59:04,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:59:04,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:59:04,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:59:04,066 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:59:04,066 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:59:04" (1/1) ... [2024-12-06 02:59:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:59:04,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2024-12-06 02:59:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2024-12-06 02:59:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:59:04,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:04,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:04,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:59:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:04,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:04,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-12-06 02:59:04,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:59:04,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 94 [2024-12-06 02:59:04,707 INFO L349 Elim1Store]: treesize reduction 13, result has 50.0 percent of original size [2024-12-06 02:59:04,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 21 [2024-12-06 02:59:05,280 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-12-06 02:59:05,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 51 [2024-12-06 02:59:05,694 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 44 treesize of output 37 [2024-12-06 02:59:06,020 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-06 02:59:06,020 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 1 case distinctions, treesize of input 44 treesize of output 37 [2024-12-06 02:59:06,313 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 02:59:06,313 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 1 case distinctions, treesize of input 39 treesize of output 34 [2024-12-06 02:59:06,666 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2024-12-06 02:59:06,667 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 45 treesize of output 29 [2024-12-06 02:59:06,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:59:06,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:59:08,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 82 transitions. [2024-12-06 02:59:08,419 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2024-12-06 02:59:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:59:08,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:08,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:08,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:08,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:08,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:59:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:08,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:08,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 02:59:08,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:59:08,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1014 treesize of output 998 [2024-12-06 02:59:09,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:59:09,748 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 [2024-12-06 02:59:10,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 02:59:10,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:59:10,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 02:59:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:59:10,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:59:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 121 transitions. [2024-12-06 02:59:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 121 transitions. [2024-12-06 02:59:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:59:24,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:24,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:24,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:24,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:59:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:24,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:24,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 02:59:24,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:59:26,103 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 [2024-12-06 02:59:27,408 INFO L349 Elim1Store]: treesize reduction 44, result has 51.6 percent of original size [2024-12-06 02:59:27,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-12-06 02:59:28,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:59:28,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 117 [2024-12-06 02:59:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:59:28,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:59:50,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:59:50,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 90 states and 161 transitions. [2024-12-06 02:59:50,638 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 161 transitions. [2024-12-06 02:59:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 02:59:50,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:59:50,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:59:50,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:59:50,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:59:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:59:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:50,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:59:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:59:51,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-06 02:59:51,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:59:51,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 744 treesize of output 728 [2024-12-06 02:59:51,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:59:51,117 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 16 treesize of output 11 [2024-12-06 02:59:51,136 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 11 [2024-12-06 02:59:51,769 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 [2024-12-06 02:59:52,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:59:52,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 02:59:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:59:52,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:00:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:00:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 99 states and 199 transitions. [2024-12-06 03:00:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 199 transitions. [2024-12-06 03:00:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:00:05,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:00:05,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:00:05,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:00:05,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:00:05,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:00:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:05,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:00:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:05,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:00:05,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:00:07,282 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 [2024-12-06 03:00:09,364 INFO L349 Elim1Store]: treesize reduction 44, result has 51.6 percent of original size [2024-12-06 03:00:09,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-12-06 03:00:11,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:00:11,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 117 [2024-12-06 03:00:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:00:11,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 03:00:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:00:39,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 111 states and 241 transitions. [2024-12-06 03:00:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 241 transitions. [2024-12-06 03:00:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 03:00:39,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:00:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:00:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:00:39,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:00:39,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:00:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:39,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:00:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:00:39,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:00:39,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:00:41,013 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 [2024-12-06 03:00:43,291 INFO L349 Elim1Store]: treesize reduction 44, result has 51.6 percent of original size [2024-12-06 03:00:43,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2024-12-06 03:00:45,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:00:45,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 117 [2024-12-06 03:00:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:00:45,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:01:11,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:11,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 120 states and 278 transitions. [2024-12-06 03:01:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 278 transitions. [2024-12-06 03:01:11,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:01:11,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:11,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:11,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:01:11,933 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:01:11,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:01:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:12,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:01:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:12,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-06 03:01:12,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:12,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 126 [2024-12-06 03:01:12,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:01:12,524 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 [2024-12-06 03:01:12,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:01:12,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:01:13,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:01:13,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 03:01:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:01:14,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:01:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 125 states and 290 transitions. [2024-12-06 03:01:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 290 transitions. [2024-12-06 03:01:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 03:01:21,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:21,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:01:21,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:01:21,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:01:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:22,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:01:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:22,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:01:22,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:27,071 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 03:01:27,071 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 1 case distinctions, treesize of input 20 treesize of output 23 [2024-12-06 03:01:29,387 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-06 03:01:29,387 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 26 treesize of output 14 [2024-12-06 03:01:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 03:01:29,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:02:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 139 states and 350 transitions. [2024-12-06 03:02:22,724 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 350 transitions. [2024-12-06 03:02:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 03:02:22,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:22,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:22,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:22,727 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:22,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:02:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:23,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:23,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-12-06 03:02:23,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:23,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 386 [2024-12-06 03:02:23,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:02:23,422 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 [2024-12-06 03:02:23,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:02:23,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:02:23,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:02:25,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:02:25,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 03:02:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:02:25,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:02:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 144 states and 368 transitions. [2024-12-06 03:02:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 368 transitions. [2024-12-06 03:02:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:02:36,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:36,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:36,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:36,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:36,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:02:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:36,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:36,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-06 03:02:36,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:02:36,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 502 treesize of output 494 [2024-12-06 03:02:36,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:02:37,018 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 16 treesize of output 11 [2024-12-06 03:02:38,499 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 16 treesize of output 11 [2024-12-06 03:02:38,508 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 11 [2024-12-06 03:02:38,525 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 [2024-12-06 03:02:38,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:02:38,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 03:02:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:02:38,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:02:59,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:02:59,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 147 states and 377 transitions. [2024-12-06 03:02:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 377 transitions. [2024-12-06 03:02:59,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:02:59,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:02:59,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:02:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:02:59,275 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:02:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:02:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:59,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:02:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:02:59,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-06 03:03:00,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:00,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 542 treesize of output 534 [2024-12-06 03:03:00,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:03:00,113 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 16 treesize of output 11 [2024-12-06 03:03:00,183 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 16 treesize of output 11 [2024-12-06 03:03:00,197 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 11 [2024-12-06 03:03:00,229 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 [2024-12-06 03:03:00,370 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:03:00,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 03:03:00,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:03:00,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:03:01,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:01,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 149 states and 420 transitions. [2024-12-06 03:03:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 420 transitions. [2024-12-06 03:03:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 03:03:01,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:01,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:01,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:01,887 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:01,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:03:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:02,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:02,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-06 03:03:02,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:02,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1094 treesize of output 1078 [2024-12-06 03:03:02,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:03:02,736 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 [2024-12-06 03:03:02,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:03:02,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:03:02,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:03:03,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:03:04,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:03:04,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 58 [2024-12-06 03:03:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:03:04,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:03:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:03:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 154 states and 446 transitions. [2024-12-06 03:03:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 446 transitions. [2024-12-06 03:03:16,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 03:03:16,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:03:16,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:03:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:03:16,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:03:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:03:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:17,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:03:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:03:17,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-06 03:03:17,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:03:17,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1822 treesize of output 1798 [2024-12-06 03:03:23,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 03:03:26,639 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 [2024-12-06 03:03:31,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2024-12-06 03:03:32,837 INFO L349 Elim1Store]: treesize reduction 32, result has 27.3 percent of original size [2024-12-06 03:03:32,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 38 [2024-12-06 03:03:36,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 03:03:36,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 28 [2024-12-06 03:03:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 03:03:37,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:05:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:05:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 175 states and 574 transitions. [2024-12-06 03:05:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 574 transitions. [2024-12-06 03:05:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 03:05:46,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:05:46,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:05:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:05:46,415 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:05:46,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:05:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:47,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:05:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:05:47,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-12-06 03:05:47,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:05:47,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5526 treesize of output 5494 [2024-12-06 03:06:00,199 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-12-06 03:06:00,200 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 1 case distinctions, treesize of input 20 treesize of output 23 [2024-12-06 03:06:13,457 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-12-06 03:06:13,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 31 [2024-12-06 03:06:15,380 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-12-06 03:06:15,381 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 2 case distinctions, treesize of input 35 treesize of output 35 [2024-12-06 03:06:18,979 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 31 treesize of output 26 [2024-12-06 03:06:23,478 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-12-06 03:06:23,478 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 37 treesize of output 25 [2024-12-06 03:06:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 03:06:23,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 03:08:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:08:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 186 states and 607 transitions. [2024-12-06 03:08:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 607 transitions. [2024-12-06 03:08:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 03:08:24,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:08:24,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:08:24,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:08:24,434 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:08:24,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:08:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:25,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:08:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:08:25,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 130 conjuncts are in the unsatisfiable core [2024-12-06 03:08:25,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:08:25,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2024-12-06 03:08:25,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2024-12-06 03:08:25,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-12-06 03:08:30,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-12-06 03:08:35,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-12-06 03:08:40,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-12-06 03:08:44,523 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 21 treesize of output 20 [2024-12-06 03:08:48,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-12-06 03:08:51,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-12-06 03:08:55,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-12-06 03:08:58,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-12-06 03:09:01,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-12-06 03:09:04,204 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:09:04,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ee789f0-f87a-4cb4-a5ea-26384cc2e3a3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0