./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/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_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:34,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:34,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-06 01:48:34,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:48:34,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:48:34,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:34,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:34,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:34,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:48:34,628 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:34,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:34,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:34,629 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:34,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:34,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:48:34,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:48:34,630 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_e44b1750-d7dd-453d-bf65-38a5590dc060/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2024-12-06 01:48:34,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:34,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:34,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:34,834 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:34,835 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:34,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2024-12-06 01:48:37,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/3a792fa02/35dab602e4e44400b4736e0896763047/FLAG08afe8df0 [2024-12-06 01:48:37,725 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:37,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/sv-benchmarks/c/heap-manipulation/tree-2.i [2024-12-06 01:48:37,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/3a792fa02/35dab602e4e44400b4736e0896763047/FLAG08afe8df0 [2024-12-06 01:48:37,749 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/3a792fa02/35dab602e4e44400b4736e0896763047 [2024-12-06 01:48:37,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:37,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:37,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:37,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:37,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:37,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:37" (1/1) ... [2024-12-06 01:48:37,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64ed451a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:37, skipping insertion in model container [2024-12-06 01:48:37,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:37" (1/1) ... [2024-12-06 01:48:37,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:38,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:38,008 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:38,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:38,074 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:38,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38 WrapperNode [2024-12-06 01:48:38,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:38,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:38,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:38,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:38,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,111 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 160 [2024-12-06 01:48:38,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:38,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:38,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:38,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:38,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,120 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,125 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:38,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:38,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:38,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:38,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:38,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:38,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:38,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:48:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:48:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:48:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:38,276 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:38,278 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:38,622 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:38,623 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:38,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:38,696 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 01:48:38,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:38 BoogieIcfgContainer [2024-12-06 01:48:38,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:38,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:38,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:38,707 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:38,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:38" (1/1) ... [2024-12-06 01:48:38,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:38,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2024-12-06 01:48:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2024-12-06 01:48:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:48:38,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:38,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:38,924 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 01:48:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2024-12-06 01:48:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2024-12-06 01:48:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:48:38,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:38,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,060 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 01:48:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 151 transitions. [2024-12-06 01:48:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2024-12-06 01:48:39,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:48:39,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,162 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 01:48:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 150 transitions. [2024-12-06 01:48:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2024-12-06 01:48:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:48:39,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,243 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 01:48:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 127 states and 149 transitions. [2024-12-06 01:48:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2024-12-06 01:48:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:48:39,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,292 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 01:48:39,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 130 states and 154 transitions. [2024-12-06 01:48:39,327 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2024-12-06 01:48:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:48:39,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,360 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 01:48:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 135 states and 163 transitions. [2024-12-06 01:48:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 163 transitions. [2024-12-06 01:48:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:48:39,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,538 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 01:48:39,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 138 states and 167 transitions. [2024-12-06 01:48:39,786 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 167 transitions. [2024-12-06 01:48:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:48:39,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,812 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 01:48:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2024-12-06 01:48:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-12-06 01:48:39,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:48:39,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:39,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:39,998 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 01:48:40,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:40,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 142 states and 175 transitions. [2024-12-06 01:48:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2024-12-06 01:48:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:48:40,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:40,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:40,428 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 01:48:40,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:40,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 143 states and 172 transitions. [2024-12-06 01:48:40,570 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2024-12-06 01:48:40,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:48:40,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:40,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:40,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:40,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 145 states and 176 transitions. [2024-12-06 01:48:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 176 transitions. [2024-12-06 01:48:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:48:40,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:40,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 185 transitions. [2024-12-06 01:48:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2024-12-06 01:48:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:48:41,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:41,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 187 transitions. [2024-12-06 01:48:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 187 transitions. [2024-12-06 01:48:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:48:41,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 152 states and 190 transitions. [2024-12-06 01:48:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2024-12-06 01:48:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:48:41,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 152 states and 189 transitions. [2024-12-06 01:48:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 189 transitions. [2024-12-06 01:48:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:48:41,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:41,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-12-06 01:48:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-12-06 01:48:42,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:48:42,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:42,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:44,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 160 states and 204 transitions. [2024-12-06 01:48:44,001 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2024-12-06 01:48:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:48:44,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:44,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2024-12-06 01:48:44,875 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2024-12-06 01:48:44,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:48:44,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:44,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:46,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:46,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 164 states and 212 transitions. [2024-12-06 01:48:46,433 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 212 transitions. [2024-12-06 01:48:46,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:48:46,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:46,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 165 states and 214 transitions. [2024-12-06 01:48:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 214 transitions. [2024-12-06 01:48:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:48:46,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:46,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 167 states and 217 transitions. [2024-12-06 01:48:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2024-12-06 01:48:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:48:47,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:47,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:48:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 167 states and 216 transitions. [2024-12-06 01:48:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2024-12-06 01:48:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:48:47,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:47,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:48,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:48,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 167 states and 215 transitions. [2024-12-06 01:48:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 215 transitions. [2024-12-06 01:48:48,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:48:48,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:48,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:49,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2024-12-06 01:48:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2024-12-06 01:48:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:48:50,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:50,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 174 states and 228 transitions. [2024-12-06 01:48:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 228 transitions. [2024-12-06 01:48:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:48:52,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:52,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:52,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:52,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 175 states and 230 transitions. [2024-12-06 01:48:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 230 transitions. [2024-12-06 01:48:52,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:48:52,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:52,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 177 states and 233 transitions. [2024-12-06 01:48:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 233 transitions. [2024-12-06 01:48:52,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:48:52,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 181 states and 242 transitions. [2024-12-06 01:48:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 242 transitions. [2024-12-06 01:48:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:48:54,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:54,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 183 states and 247 transitions. [2024-12-06 01:48:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 247 transitions. [2024-12-06 01:48:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:48:56,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:56,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:48:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 184 states and 249 transitions. [2024-12-06 01:48:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 249 transitions. [2024-12-06 01:48:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:48:56,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 186 states and 252 transitions. [2024-12-06 01:48:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 252 transitions. [2024-12-06 01:48:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:48:56,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:56,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:59,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:59,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 190 states and 261 transitions. [2024-12-06 01:48:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 261 transitions. [2024-12-06 01:48:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:48:59,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:01,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 192 states and 266 transitions. [2024-12-06 01:49:01,898 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 266 transitions. [2024-12-06 01:49:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:49:01,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:02,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 170 states and 228 transitions. [2024-12-06 01:49:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2024-12-06 01:49:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:49:02,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:02,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:02,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:49:03,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 171 states and 230 transitions. [2024-12-06 01:49:03,317 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 230 transitions. [2024-12-06 01:49:03,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:49:03,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:03,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2024-12-06 01:49:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2024-12-06 01:49:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:49:06,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:06,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 195 states and 274 transitions. [2024-12-06 01:49:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 274 transitions. [2024-12-06 01:49:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:49:16,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:16,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:25,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 208 states and 299 transitions. [2024-12-06 01:49:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 299 transitions. [2024-12-06 01:49:25,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:49:25,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:49:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:34,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 222 states and 327 transitions. [2024-12-06 01:49:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 327 transitions. [2024-12-06 01:49:34,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:49:34,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:34,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:49:36,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 226 states and 333 transitions. [2024-12-06 01:49:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 333 transitions. [2024-12-06 01:49:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:49:36,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:36,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 232 states and 346 transitions. [2024-12-06 01:49:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 346 transitions. [2024-12-06 01:49:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:49:40,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:40,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 238 states and 357 transitions. [2024-12-06 01:49:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 357 transitions. [2024-12-06 01:49:44,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:49:44,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:44,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 240 states and 360 transitions. [2024-12-06 01:49:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 360 transitions. [2024-12-06 01:49:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:49:46,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:46,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 242 states and 363 transitions. [2024-12-06 01:49:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 363 transitions. [2024-12-06 01:49:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:49,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:49:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 241 states and 360 transitions. [2024-12-06 01:49:49,167 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 360 transitions. [2024-12-06 01:49:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:49,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:49,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:49:51,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:51,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 243 states and 364 transitions. [2024-12-06 01:49:51,295 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 364 transitions. [2024-12-06 01:49:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:51,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:51,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:51,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:49:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 244 states and 364 transitions. [2024-12-06 01:49:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 364 transitions. [2024-12-06 01:49:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:51,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:51,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:49:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:49:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 252 states and 378 transitions. [2024-12-06 01:49:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2024-12-06 01:49:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:49:57,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:49:57,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:49:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:49:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:09,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 265 states and 400 transitions. [2024-12-06 01:50:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 400 transitions. [2024-12-06 01:50:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:50:09,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:25,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 275 states and 422 transitions. [2024-12-06 01:50:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 422 transitions. [2024-12-06 01:50:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:50:25,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:25,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 285 states and 445 transitions. [2024-12-06 01:50:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 445 transitions. [2024-12-06 01:50:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:50:43,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:43,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 288 states and 454 transitions. [2024-12-06 01:50:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 454 transitions. [2024-12-06 01:50:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:50:58,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:58,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:01,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 290 states and 457 transitions. [2024-12-06 01:51:01,238 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 457 transitions. [2024-12-06 01:51:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:51:01,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:32,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2024-12-06 01:51:32,109 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2024-12-06 01:51:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:51:32,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:51:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 312 states and 500 transitions. [2024-12-06 01:51:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 500 transitions. [2024-12-06 01:51:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:51:52,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:52,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:51:52,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:51:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 311 states and 498 transitions. [2024-12-06 01:51:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 498 transitions. [2024-12-06 01:51:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:51:52,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:51:52,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:51:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:51:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:52:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 324 states and 525 transitions. [2024-12-06 01:52:22,569 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 525 transitions. [2024-12-06 01:52:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:52:22,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:52:22,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 327 states and 536 transitions. [2024-12-06 01:52:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 536 transitions. [2024-12-06 01:52:22,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:52:22,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:52:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 329 states and 540 transitions. [2024-12-06 01:52:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 540 transitions. [2024-12-06 01:52:25,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:52:25,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:25,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:52:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 331 states and 542 transitions. [2024-12-06 01:52:27,570 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 542 transitions. [2024-12-06 01:52:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:52:27,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:28,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:52:32,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:52:32,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 335 states and 547 transitions. [2024-12-06 01:52:32,226 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 547 transitions. [2024-12-06 01:52:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:52:32,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:52:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:52:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:52:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 347 states and 573 transitions. [2024-12-06 01:53:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 573 transitions. [2024-12-06 01:53:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:53:10,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:15,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 349 states and 577 transitions. [2024-12-06 01:53:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 577 transitions. [2024-12-06 01:53:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:53:15,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:15,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:53:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:15,067 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:53:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:15,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:53:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:53:15,680 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 64 iterations. [2024-12-06 01:53:15,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:53:15 ImpRootNode [2024-12-06 01:53:15,719 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:53:15,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:53:15,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:53:15,720 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:53:15,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:38" (3/4) ... [2024-12-06 01:53:15,724 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:53:15,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:53:15,726 INFO L158 Benchmark]: Toolchain (without parser) took 277974.28ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 91.7MB in the beginning and 662.4MB in the end (delta: -570.8MB). Peak memory consumption was 366.5MB. Max. memory is 16.1GB. [2024-12-06 01:53:15,726 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:15,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:53:15,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.95ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:15,727 INFO L158 Benchmark]: Boogie Preprocessor took 21.30ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:53:15,728 INFO L158 Benchmark]: RCFGBuilder took 562.38ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 89.8MB in the end (delta: -19.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-06 01:53:15,728 INFO L158 Benchmark]: CodeCheck took 277022.05ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 89.8MB in the beginning and 662.6MB in the end (delta: -572.8MB). Peak memory consumption was 361.0MB. Max. memory is 16.1GB. [2024-12-06 01:53:15,728 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 1.1GB. Free memory was 662.6MB in the beginning and 662.4MB in the end (delta: 137.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:53:15,730 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 131 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 277.0s, OverallIterations: 64, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12075 SdHoareTripleChecker+Valid, 63.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9510 mSDsluCounter, 7353 SdHoareTripleChecker+Invalid, 56.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5906 mSDsCounter, 10964 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43492 IncrementalHoareTripleChecker+Invalid, 54456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10964 mSolverCounterUnsat, 1447 mSDtfsCounter, 43492 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11613 GetRequests, 10264 SyntacticMatches, 283 SemanticMatches, 1066 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545000 ImplicationChecksByTransitivity, 264.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 51.4s InterpolantComputationTime, 1315 NumberOfCodeBlocks, 1315 NumberOfCodeBlocksAsserted, 64 NumberOfCheckSat, 1216 ConstructedInterpolants, 0 QuantifiedInterpolants, 9740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 63 InterpolantComputations, 42 PerfectInterpolantSequences, 141/179 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L630] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) VAL [node={3855:0}, nodelast={0:0}] [L591] node->left = ((void *)0) VAL [node={3855:0}, nodelast={0:0}] [L592] node->right = nodelast VAL [node={3855:0}, nodelast={0:0}] [L593] COND FALSE !(\read(*nodelast)) VAL [node={3855:0}] [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) VAL [node={3855:0}, nodelast={3855:0}] [L603] EXPR node->left VAL [node={3855:0}, nodelast={3855:0}] [L603] node->left->left = ((void *)0) [L604] EXPR node->left VAL [node={3855:0}, nodelast={3855:0}] [L604] node->left->right = ((void *)0) [L605] EXPR node->left VAL [node={3855:0}, nodelast={3855:0}] [L605] node->left->value = 42 [L606] EXPR node->left VAL [node={3855:0}, nodelast={3855:0}] [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND FALSE !(node != ((void *)0)) [L609] return nodelast; [L630] RET, EXPR create_tree() [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L633] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={3855:0}] [L575] COND FALSE !(0) VAL [node={3855:0}] [L576] COND TRUE node != ((void *)0) VAL [node={3855:0}] [L577] node->left VAL [node={3855:0}] [L577] COND TRUE node->left [L578] EXPR node->left VAL [node={3855:0}] [L578] EXPR node->left->value VAL [node={3855:0}] [L578] COND FALSE !(!(node->left->value == 42)) [L578] COND FALSE !(0) VAL [node={3855:0}] [L579] EXPR node->value VAL [node={3855:0}] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] CALL reach_error() [L12] COND FALSE !(0) [L12] __assert_fail ("0", "tree-2.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 74.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.95ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.30ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 70.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 562.38ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 89.8MB in the end (delta: -19.5MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * CodeCheck took 277022.05ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 939.5MB). Free memory was 89.8MB in the beginning and 662.6MB in the end (delta: -572.8MB). Peak memory consumption was 361.0MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 1.1GB. Free memory was 662.6MB in the beginning and 662.4MB in the end (delta: 137.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:53:15,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/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_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/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_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:53:18,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:53:18,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-06 01:53:18,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:53:18,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:53:18,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:53:18,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:53:18,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:53:18,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:53:18,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:53:18,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:53:18,393 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:53:18,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:53:18,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:53:18,393 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:18,393 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:53:18,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:53:18,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:18,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:53:18,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:53:18,394 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:53:18,394 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:18,394 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:53:18,394 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_e44b1750-d7dd-453d-bf65-38a5590dc060/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2024-12-06 01:53:18,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:53:18,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:53:18,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:53:18,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:53:18,700 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:53:18,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2024-12-06 01:53:22,134 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/6c0c0c7e0/76be418d3ea044df987685b957a4acac/FLAGd85a3f3d9 [2024-12-06 01:53:22,391 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:53:22,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/sv-benchmarks/c/heap-manipulation/tree-2.i [2024-12-06 01:53:22,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/6c0c0c7e0/76be418d3ea044df987685b957a4acac/FLAGd85a3f3d9 [2024-12-06 01:53:22,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/data/6c0c0c7e0/76be418d3ea044df987685b957a4acac [2024-12-06 01:53:22,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:53:22,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:53:22,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:22,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:53:22,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:53:22,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:22" (1/1) ... [2024-12-06 01:53:22,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5865df44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:22, skipping insertion in model container [2024-12-06 01:53:22,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:53:22" (1/1) ... [2024-12-06 01:53:22,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:53:22,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:22,983 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:53:23,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:53:23,048 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:53:23,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23 WrapperNode [2024-12-06 01:53:23,048 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:53:23,049 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:23,049 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:53:23,049 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:53:23,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,086 INFO L138 Inliner]: procedures = 125, calls = 44, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 159 [2024-12-06 01:53:23,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:53:23,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:53:23,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:53:23,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:53:23,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:53:23,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:53:23,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:53:23,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:53:23,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:53:23,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:53:23,146 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:53:23,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:53:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:53:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 01:53:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:53:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 01:53:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 01:53:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:53:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:53:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:53:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:53:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:53:23,260 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:53:23,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:53:23,785 INFO L? ?]: Removed 140 outVars from TransFormulas that were not future-live. [2024-12-06 01:53:23,785 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:53:23,862 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:53:23,862 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-06 01:53:23,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:23 BoogieIcfgContainer [2024-12-06 01:53:23,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:53:23,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:53:23,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:53:23,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:53:23,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:53:23" (1/1) ... [2024-12-06 01:53:23,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:53:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2024-12-06 01:53:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2024-12-06 01:53:23,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:53:23,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:23,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:23,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:23,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:23,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:53:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:24,097 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 01:53:24,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:53:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2024-12-06 01:53:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2024-12-06 01:53:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:53:24,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:24,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:24,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:24,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:24,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:53:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:24,277 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 01:53:24,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:53:24,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:24,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 151 transitions. [2024-12-06 01:53:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2024-12-06 01:53:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:53:24,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:24,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:24,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:24,379 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:24,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:53:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,478 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 01:53:24,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:53:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 150 transitions. [2024-12-06 01:53:24,512 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2024-12-06 01:53:24,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:53:24,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:24,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:24,516 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:53:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:24,636 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 01:53:24,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 01:53:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 127 states and 149 transitions. [2024-12-06 01:53:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2024-12-06 01:53:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:53:24,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:24,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:24,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:24,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:24,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:53:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,811 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 01:53:24,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:53:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 130 states and 154 transitions. [2024-12-06 01:53:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2024-12-06 01:53:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:53:24,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:24,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:24,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:24,880 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:24,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:53:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:24,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:24,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:24,980 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 01:53:24,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:53:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 135 states and 163 transitions. [2024-12-06 01:53:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 163 transitions. [2024-12-06 01:53:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:53:25,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:25,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:25,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:25,127 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:25,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:53:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:25,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:25,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:25,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:25,292 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 01:53:25,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:53:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 138 states and 167 transitions. [2024-12-06 01:53:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 167 transitions. [2024-12-06 01:53:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:53:25,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:25,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:25,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:25,677 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:25,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:53:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:25,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:25,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:25,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:25,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:53:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 140 states and 170 transitions. [2024-12-06 01:53:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-12-06 01:53:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:53:25,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:25,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:25,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:25,955 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:25,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:53:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:53:26,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:26,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:26,104 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 01:53:26,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:53:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:26,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 142 states and 175 transitions. [2024-12-06 01:53:26,272 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 175 transitions. [2024-12-06 01:53:26,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 01:53:26,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:26,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:26,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:26,275 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:26,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:53:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:53:26,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:26,420 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 01:53:26,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 01:53:26,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:26,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 143 states and 172 transitions. [2024-12-06 01:53:26,616 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2024-12-06 01:53:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:53:26,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:26,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:26,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:26,618 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:26,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:53:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:26,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:53:26,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:26,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:26,793 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:53:26,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 20 [2024-12-06 01:53:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:26,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:53:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:27,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 145 states and 176 transitions. [2024-12-06 01:53:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 176 transitions. [2024-12-06 01:53:27,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:53:27,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:27,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:27,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:27,004 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:27,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:53:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:27,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:27,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:53:27,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:27,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:27,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:53:27,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-06 01:53:27,263 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:53:27,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:53:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:27,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:53:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2024-12-06 01:53:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2024-12-06 01:53:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:27,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:27,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:27,546 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:27,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:53:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:27,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:27,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:27,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:27,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:53:28,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:28,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 151 states and 186 transitions. [2024-12-06 01:53:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2024-12-06 01:53:28,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:28,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:28,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:28,112 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:28,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:53:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:28,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:28,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:28,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:28,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:53:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 150 states and 185 transitions. [2024-12-06 01:53:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 185 transitions. [2024-12-06 01:53:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:53:28,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:28,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:28,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:28,598 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:28,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:53:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:28,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:28,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:28,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:28,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:53:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2024-12-06 01:53:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2024-12-06 01:53:28,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:28,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:28,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:28,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:28,971 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:28,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:53:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:29,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:29,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:53:29,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:29,215 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-06 01:53:29,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 20 [2024-12-06 01:53:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:29,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:53:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 153 states and 190 transitions. [2024-12-06 01:53:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 190 transitions. [2024-12-06 01:53:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:29,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:29,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:29,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:29,878 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:53:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:30,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:30,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:53:30,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:30,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:30,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:53:30,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-06 01:53:30,157 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:53:30,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:53:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:53:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:31,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 157 states and 199 transitions. [2024-12-06 01:53:31,394 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2024-12-06 01:53:31,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:31,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:31,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:31,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:31,396 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:31,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:53:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:31,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:31,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:53:31,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:31,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:31,618 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 15 treesize of output 1 [2024-12-06 01:53:31,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-06 01:53:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:31,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:53:32,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:32,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 159 states and 202 transitions. [2024-12-06 01:53:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2024-12-06 01:53:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:53:32,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:32,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:32,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:32,946 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:32,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:53:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:33,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:33,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:53:33,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:33,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:33,278 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 01:53:33,289 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 15 treesize of output 1 [2024-12-06 01:53:33,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-06 01:53:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:33,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:53:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 161 states and 205 transitions. [2024-12-06 01:53:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 205 transitions. [2024-12-06 01:53:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:53:35,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:35,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:35,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:35,805 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:35,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:53:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:35,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:35,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:35,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:36,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:53:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 162 states and 207 transitions. [2024-12-06 01:53:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 207 transitions. [2024-12-06 01:53:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:53:36,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:36,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:36,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:36,513 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:36,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:53:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:36,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:36,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:36,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:36,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:53:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 163 states and 208 transitions. [2024-12-06 01:53:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 208 transitions. [2024-12-06 01:53:37,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:37,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:37,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:37,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:37,531 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:37,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:53:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:37,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:37,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:53:37,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:37,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:37,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:53:38,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 163 states and 207 transitions. [2024-12-06 01:53:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 207 transitions. [2024-12-06 01:53:38,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:38,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:38,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:38,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:38,568 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:53:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:38,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:38,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:38,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:38,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:53:38,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:53:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 163 states and 206 transitions. [2024-12-06 01:53:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2024-12-06 01:53:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:39,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:39,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:39,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:39,217 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:39,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:53:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:39,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:39,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 01:53:39,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:39,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:39,464 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:53:39,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:53:39,585 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 15 treesize of output 1 [2024-12-06 01:53:39,895 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:39,895 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:53:39,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 01:53:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:40,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:53:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 216 transitions. [2024-12-06 01:53:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2024-12-06 01:53:43,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:53:43,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:43,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:43,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:43,457 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:43,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:53:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:43,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:43,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:53:43,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:43,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:53:43,686 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:53:43,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:53:43,831 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 01:53:43,841 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 15 treesize of output 1 [2024-12-06 01:53:44,244 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:44,244 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:53:44,253 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 24 treesize of output 11 [2024-12-06 01:53:44,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 01:53:44,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-12-06 01:53:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:44,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:53:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 170 states and 221 transitions. [2024-12-06 01:53:47,859 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2024-12-06 01:53:47,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:53:47,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:47,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:47,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:47,862 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:47,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:53:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:48,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:48,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:48,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:48,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:48,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:53:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 171 states and 224 transitions. [2024-12-06 01:53:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 224 transitions. [2024-12-06 01:53:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:53:48,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:48,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:48,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:48,952 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:48,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:53:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:49,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:49,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:53:49,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:49,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:53:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 172 states and 226 transitions. [2024-12-06 01:53:50,641 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 226 transitions. [2024-12-06 01:53:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:53:50,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:50,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:50,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:50,643 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:50,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:53:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:50,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:50,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 01:53:50,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:51,016 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:53:51,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:53:51,040 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 15 treesize of output 1 [2024-12-06 01:53:51,077 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:51,077 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:53:51,376 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:51,376 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:53:51,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 01:53:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:51,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:53:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 175 states and 233 transitions. [2024-12-06 01:53:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 233 transitions. [2024-12-06 01:53:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 01:53:53,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:53,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:53,968 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:53,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:53:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:54,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:54,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 01:53:54,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:54,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:53:54,383 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:53:54,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:53:54,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-12-06 01:53:54,410 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 01:53:54,419 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 15 treesize of output 1 [2024-12-06 01:53:54,459 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:54,460 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:53:54,466 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 24 treesize of output 11 [2024-12-06 01:53:54,866 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:53:54,866 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:53:54,878 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 24 treesize of output 11 [2024-12-06 01:53:54,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 01:53:54,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-12-06 01:53:55,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:53:55,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:53:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:53:58,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 177 states and 238 transitions. [2024-12-06 01:53:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2024-12-06 01:53:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:53:58,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:53:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:53:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:53:58,646 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:53:58,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:53:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:58,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:53:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:53:58,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:53:58,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:53:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:53:58,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:54:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 178 states and 241 transitions. [2024-12-06 01:54:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 241 transitions. [2024-12-06 01:54:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:54:00,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:00,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:00,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:00,056 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:00,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:54:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:00,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:00,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:54:00,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:00,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:54:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 179 states and 243 transitions. [2024-12-06 01:54:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2024-12-06 01:54:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:54:01,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:01,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:01,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:01,796 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:01,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:54:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:02,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:02,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:54:02,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:02,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:54:02,136 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:54:02,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:54:02,153 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 15 treesize of output 1 [2024-12-06 01:54:02,188 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:02,188 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:54:02,222 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:02,222 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:54:02,475 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:02,475 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:54:02,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 01:54:02,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:02,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:54:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 182 states and 250 transitions. [2024-12-06 01:54:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 250 transitions. [2024-12-06 01:54:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 01:54:04,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:04,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:04,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:04,408 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:04,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:54:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:04,695 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:04,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:54:04,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:04,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:54:04,817 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:54:04,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:54:05,044 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 15 treesize of output 1 [2024-12-06 01:54:05,047 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 01:54:05,495 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:05,496 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2024-12-06 01:54:05,501 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 24 treesize of output 11 [2024-12-06 01:54:05,770 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:05,771 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:54:05,779 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 24 treesize of output 11 [2024-12-06 01:54:06,320 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:06,320 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 52 [2024-12-06 01:54:06,325 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 24 treesize of output 11 [2024-12-06 01:54:06,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 01:54:06,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-12-06 01:54:06,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:06,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-12-06 01:54:13,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 184 states and 255 transitions. [2024-12-06 01:54:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 255 transitions. [2024-12-06 01:54:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:54:13,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:13,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:13,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:13,681 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:13,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 01:54:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:13,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:13,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:54:13,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:14,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:14,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 01:54:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 162 states and 218 transitions. [2024-12-06 01:54:15,882 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 218 transitions. [2024-12-06 01:54:15,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:54:15,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:15,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:15,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:15,884 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:15,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 01:54:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:16,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:16,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:54:16,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 01:54:16,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 01:54:17,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 163 states and 221 transitions. [2024-12-06 01:54:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2024-12-06 01:54:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 01:54:17,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:17,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:17,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:17,609 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:17,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 01:54:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:17,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:18,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:54:18,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:18,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:54:18,084 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-12-06 01:54:18,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2024-12-06 01:54:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:18,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 01:54:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:26,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 172 states and 244 transitions. [2024-12-06 01:54:26,356 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 244 transitions. [2024-12-06 01:54:26,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 01:54:26,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:26,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:26,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:26,358 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:26,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 01:54:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:26,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:26,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:54:26,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:26,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:54:26,761 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 13 treesize of output 9 [2024-12-06 01:54:26,767 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 13 treesize of output 9 [2024-12-06 01:54:27,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-12-06 01:54:27,150 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 29 treesize of output 13 [2024-12-06 01:54:27,189 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:54:27,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:54:27,569 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 25 treesize of output 13 [2024-12-06 01:54:27,581 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 25 treesize of output 13 [2024-12-06 01:54:28,268 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:28,268 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:54:28,276 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 26 treesize of output 13 [2024-12-06 01:54:28,635 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:28,635 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:54:28,641 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 26 treesize of output 13 [2024-12-06 01:54:29,081 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:29,081 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:54:29,091 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 26 treesize of output 13 [2024-12-06 01:54:29,477 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:54:29,478 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:54:29,486 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 26 treesize of output 13 [2024-12-06 01:54:29,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:54:29,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 01:54:48,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:54:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 187 states and 275 transitions. [2024-12-06 01:54:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 275 transitions. [2024-12-06 01:54:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:54:48,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:54:48,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:54:48,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:54:48,021 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:54:48,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 01:54:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:48,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:54:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:54:48,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:54:48,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:54:49,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:54:49,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 01:55:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 200 states and 301 transitions. [2024-12-06 01:55:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 301 transitions. [2024-12-06 01:55:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 01:55:08,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:08,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:08,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:08,402 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:08,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 01:55:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:08,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:08,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:55:08,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:55:09,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 01:55:13,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 203 states and 306 transitions. [2024-12-06 01:55:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 306 transitions. [2024-12-06 01:55:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:55:13,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:13,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:13,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:13,328 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:13,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 01:55:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:13,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:13,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:55:13,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:14,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:55:14,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 01:55:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:14,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 204 states and 306 transitions. [2024-12-06 01:55:14,434 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 306 transitions. [2024-12-06 01:55:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:55:14,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:14,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:14,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:14,435 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:14,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 01:55:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:14,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:14,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:55:14,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:15,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 01:55:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:40,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 221 states and 341 transitions. [2024-12-06 01:55:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 341 transitions. [2024-12-06 01:55:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:55:40,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:40,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:55:40,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:55:40,211 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:55:40,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 01:55:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:40,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:55:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:40,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:55:40,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:55:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:43,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 01:56:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 238 states and 377 transitions. [2024-12-06 01:56:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 377 transitions. [2024-12-06 01:56:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:56:11,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:11,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:11,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:11,477 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 01:56:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:11,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:11,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:56:11,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:56:11,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 01:56:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:14,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 240 states and 381 transitions. [2024-12-06 01:56:14,824 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 381 transitions. [2024-12-06 01:56:14,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:56:14,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:14,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:14,826 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:14,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 01:56:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:15,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:15,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 01:56:15,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:56:15,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 01:56:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 384 transitions. [2024-12-06 01:56:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 384 transitions. [2024-12-06 01:56:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:56:19,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:19,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:19,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:19,761 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:19,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 01:56:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:20,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:20,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:56:20,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:56:20,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 01:56:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:20,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 241 states and 381 transitions. [2024-12-06 01:56:20,273 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 381 transitions. [2024-12-06 01:56:20,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:56:20,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:20,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:20,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:20,276 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:20,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 01:56:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:20,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:20,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:56:20,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:22,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:56:22,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 01:56:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 240 states and 380 transitions. [2024-12-06 01:56:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 380 transitions. [2024-12-06 01:56:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:56:26,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:26,147 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:26,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 01:56:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:26,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:26,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:56:26,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 01:56:26,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 01:56:26,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:26,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 241 states and 380 transitions. [2024-12-06 01:56:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 380 transitions. [2024-12-06 01:56:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:56:26,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:26,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:26,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:26,510 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:26,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 01:56:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:26,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:26,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:56:26,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:26,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:56:26,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:56:27,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:56:27,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-06 01:56:27,584 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:56:27,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:56:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:56:29,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 01:56:40,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 249 states and 395 transitions. [2024-12-06 01:56:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 395 transitions. [2024-12-06 01:56:40,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 01:56:40,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:40,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:40,987 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:40,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 01:56:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:41,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:41,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:56:41,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:41,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:56:41,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:56:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 01:56:41,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-06 01:56:41,570 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:56:41,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:56:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:56:41,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 01:56:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:56:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 251 states and 399 transitions. [2024-12-06 01:56:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 399 transitions. [2024-12-06 01:56:45,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:56:45,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:56:45,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:56:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:56:45,493 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:56:45,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 01:56:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:45,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:56:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:56:46,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 01:56:46,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:56:46,616 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:56:46,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:56:47,263 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 15 treesize of output 1 [2024-12-06 01:56:48,475 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:56:48,476 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:56:49,088 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:56:49,088 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:56:49,691 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:56:49,691 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:56:50,279 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:56:50,279 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:56:52,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 01:56:52,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:56:52,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 01:57:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 261 states and 421 transitions. [2024-12-06 01:57:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 421 transitions. [2024-12-06 01:57:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:57:14,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:57:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:57:14,853 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:57:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 01:57:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:15,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:57:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:15,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 01:57:15,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:57:15,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 01:57:16,399 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:57:16,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:57:16,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-12-06 01:57:17,085 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 15 treesize of output 1 [2024-12-06 01:57:17,092 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 01:57:18,589 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:18,589 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:18,594 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 24 treesize of output 11 [2024-12-06 01:57:19,265 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:19,265 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:19,270 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 24 treesize of output 11 [2024-12-06 01:57:20,250 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:20,251 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:20,258 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 24 treesize of output 11 [2024-12-06 01:57:21,487 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:21,487 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 48 [2024-12-06 01:57:21,496 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 27 treesize of output 22 [2024-12-06 01:57:23,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-12-06 01:57:23,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2024-12-06 01:57:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:57:24,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 01:57:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:57:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 273 states and 449 transitions. [2024-12-06 01:57:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 449 transitions. [2024-12-06 01:57:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:57:55,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:57:55,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:57:55,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:57:55,311 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:57:55,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 01:57:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:55,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:57:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:57:55,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 01:57:55,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:57:55,856 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:57:55,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:57:55,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-12-06 01:57:56,617 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 01:57:56,623 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 15 treesize of output 1 [2024-12-06 01:57:58,016 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:58,016 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:58,020 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 24 treesize of output 11 [2024-12-06 01:57:58,851 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:58,851 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:58,857 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 24 treesize of output 11 [2024-12-06 01:57:59,587 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:57:59,587 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:57:59,597 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 24 treesize of output 11 [2024-12-06 01:58:00,391 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:00,391 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-06 01:58:00,399 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 24 treesize of output 11 [2024-12-06 01:58:03,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-06 01:58:03,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2024-12-06 01:58:03,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:58:03,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 01:58:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 281 states and 464 transitions. [2024-12-06 01:58:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 464 transitions. [2024-12-06 01:58:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:58:28,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:28,407 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:28,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 01:58:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:28,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:28,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 01:58:28,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:28,924 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:58:28,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:58:28,947 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 15 treesize of output 1 [2024-12-06 01:58:28,997 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:28,997 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:58:29,057 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:29,057 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:58:29,115 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:29,115 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:58:29,149 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:29,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-06 01:58:29,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-06 01:58:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:58:29,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 01:58:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:58:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 283 states and 468 transitions. [2024-12-06 01:58:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 468 transitions. [2024-12-06 01:58:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:58:35,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:58:35,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:58:35,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:58:35,283 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:58:35,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 01:58:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:36,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:58:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:58:36,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 01:58:36,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:58:36,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-06 01:58:36,404 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 01:58:36,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 19 treesize of output 27 [2024-12-06 01:58:36,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2024-12-06 01:58:37,146 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 13 treesize of output 9 [2024-12-06 01:58:37,154 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 13 treesize of output 9 [2024-12-06 01:58:38,093 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-06 01:58:38,093 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 68 [2024-12-06 01:58:38,099 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 30 treesize of output 13 [2024-12-06 01:58:38,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 26 [2024-12-06 01:58:38,977 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 29 treesize of output 13 [2024-12-06 01:58:39,036 INFO L349 Elim1Store]: treesize reduction 25, result has 45.7 percent of original size [2024-12-06 01:58:39,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 20 treesize of output 25 [2024-12-06 01:58:39,069 INFO L349 Elim1Store]: treesize reduction 12, result has 55.6 percent of original size [2024-12-06 01:58:39,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2024-12-06 01:58:40,093 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 25 treesize of output 13 [2024-12-06 01:58:40,104 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 51 treesize of output 27 [2024-12-06 01:58:42,000 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:42,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 65 [2024-12-06 01:58:42,013 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 26 treesize of output 13 [2024-12-06 01:58:42,908 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:42,908 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 65 [2024-12-06 01:58:42,914 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 26 treesize of output 13 [2024-12-06 01:58:43,842 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:43,843 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 65 [2024-12-06 01:58:43,848 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 26 treesize of output 13 [2024-12-06 01:58:44,819 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:58:44,820 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 65 [2024-12-06 01:58:44,833 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 26 treesize of output 13 [2024-12-06 01:58:44,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 53 treesize of output 21 [2024-12-06 01:58:44,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 9 treesize of output 3 [2024-12-06 01:58:44,892 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-12-06 01:58:44,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 14 [2024-12-06 01:58:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:58:44,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 01:59:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:59:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 294 states and 497 transitions. [2024-12-06 01:59:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 497 transitions. [2024-12-06 01:59:36,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 01:59:36,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:59:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:59:36,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:59:36,312 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:59:36,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 01:59:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:37,204 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:59:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:37,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 01:59:37,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:59:37,341 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-06 01:59:37,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 13 [2024-12-06 01:59:38,412 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 13 treesize of output 9 [2024-12-06 01:59:39,749 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-12-06 01:59:39,749 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2024-12-06 01:59:40,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 21 [2024-12-06 01:59:40,930 INFO L349 Elim1Store]: treesize reduction 62, result has 36.1 percent of original size [2024-12-06 01:59:40,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 55 [2024-12-06 01:59:41,815 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 53 treesize of output 29 [2024-12-06 01:59:43,643 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:59:43,644 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2024-12-06 01:59:44,611 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:59:44,612 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2024-12-06 01:59:45,536 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:59:45,536 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2024-12-06 01:59:46,545 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-06 01:59:46,545 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 64 [2024-12-06 01:59:46,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:59:46,568 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 66 treesize of output 30 [2024-12-06 01:59:53,803 INFO L349 Elim1Store]: treesize reduction 72, result has 32.1 percent of original size [2024-12-06 01:59:53,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 52 [2024-12-06 01:59:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:59:53,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 02:00:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 304 states and 520 transitions. [2024-12-06 02:00:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 520 transitions. [2024-12-06 02:00:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:00:39,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:39,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:00:39,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:00:39,085 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:00:39,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 02:00:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:39,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:00:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:39,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:00:39,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:00:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 02:00:39,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 02:00:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:39,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 303 states and 518 transitions. [2024-12-06 02:00:39,512 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 518 transitions. [2024-12-06 02:00:39,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:00:39,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:00:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:00:39,514 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:00:39,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 02:00:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:40,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:00:40,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:40,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:00:40,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:00:40,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 11 [2024-12-06 02:00:42,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 11 [2024-12-06 02:00:43,538 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-12-06 02:00:43,539 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 27 [2024-12-06 02:00:43,551 INFO L349 Elim1Store]: treesize reduction 6, result has 57.1 percent of original size [2024-12-06 02:00:43,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 17 [2024-12-06 02:01:21,007 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-12-06 02:01:21,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 14 [2024-12-06 02:01:22,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:22,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 02:02:47,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 327 states and 562 transitions. [2024-12-06 02:02:47,344 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 562 transitions. [2024-12-06 02:02:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:02:47,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:47,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:47,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:47,349 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:47,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e44b1750-d7dd-453d-bf65-38a5590dc060/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process