./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:27:53,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:27:53,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-09 00:27:53,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:27:53,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:27:53,577 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:27:53,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:27:53,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:27:53,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:27:53,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:27:53,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:27:53,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:27:53,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:27:53,585 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:27:53,585 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:27:53,585 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:27:53,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:27:53,586 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:27:53,586 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:27:53,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:27:53,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:27:53,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:27:53,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:27:53,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:27:53,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:27:53,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:53,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:27:53,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:27:53,594 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:27:53,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:27:53,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2024-11-09 00:27:53,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:27:53,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:27:53,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:27:53,920 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:27:53,920 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:27:53,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i Unable to find full path for "g++" [2024-11-09 00:27:55,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:27:56,233 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:27:56,234 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-11-09 00:27:56,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/0cfc554f5/530f5f9f33f740f594ed326150a2489d/FLAG7dbb683d6 [2024-11-09 00:27:56,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/0cfc554f5/530f5f9f33f740f594ed326150a2489d [2024-11-09 00:27:56,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:27:56,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:27:56,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:56,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:27:56,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:27:56,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dafc262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56, skipping insertion in model container [2024-11-09 00:27:56,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:27:56,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:56,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:27:56,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:56,825 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:27:56,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56 WrapperNode [2024-11-09 00:27:56,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:56,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:56,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:27:56,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:27:56,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,871 INFO L138 Inliner]: procedures = 119, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2024-11-09 00:27:56,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:56,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:27:56,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:27:56,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:27:56,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,909 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,915 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:27:56,916 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:27:56,917 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:27:56,917 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:27:56,918 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:56" (1/1) ... [2024-11-09 00:27:56,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:56,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:27:56,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:27:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:27:56,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:27:56,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:27:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:27:56,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:27:56,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:27:57,168 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:27:57,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:27:57,641 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-09 00:27:57,642 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:27:57,719 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:27:57,720 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 00:27:57,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:57 BoogieIcfgContainer [2024-11-09 00:27:57,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:27:57,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:27:57,721 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:27:57,732 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:27:57,732 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:57" (1/1) ... [2024-11-09 00:27:57,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:27:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 129 states and 149 transitions. [2024-11-09 00:27:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2024-11-09 00:27:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:27:57,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:57,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 128 states and 148 transitions. [2024-11-09 00:27:58,193 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2024-11-09 00:27:58,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:27:58,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 147 transitions. [2024-11-09 00:27:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-11-09 00:27:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:27:58,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2024-11-09 00:27:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2024-11-09 00:27:58,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:27:58,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 125 states and 145 transitions. [2024-11-09 00:27:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2024-11-09 00:27:58,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:27:58,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 124 states and 144 transitions. [2024-11-09 00:27:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2024-11-09 00:27:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:27:58,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 123 states and 143 transitions. [2024-11-09 00:27:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2024-11-09 00:27:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:27:58,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2024-11-09 00:27:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2024-11-09 00:27:58,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:27:58,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:58,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2024-11-09 00:27:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2024-11-09 00:27:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:27:59,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:59,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:59,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 124 states and 146 transitions. [2024-11-09 00:27:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2024-11-09 00:27:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:27:59,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:59,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:27:59,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:59,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2024-11-09 00:27:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2024-11-09 00:27:59,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:27:59,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:59,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:27:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2024-11-09 00:28:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-11-09 00:28:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:28:00,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2024-11-09 00:28:00,664 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2024-11-09 00:28:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:28:00,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:00,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 147 transitions. [2024-11-09 00:28:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-11-09 00:28:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:28:01,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:01,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:02,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2024-11-09 00:28:02,654 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2024-11-09 00:28:02,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:28:02,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2024-11-09 00:28:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-09 00:28:03,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:28:03,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:03,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 142 states and 174 transitions. [2024-11-09 00:28:04,794 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 174 transitions. [2024-11-09 00:28:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:28:04,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:04,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:05,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 143 states and 176 transitions. [2024-11-09 00:28:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2024-11-09 00:28:05,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:28:05,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:05,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 144 states and 177 transitions. [2024-11-09 00:28:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 177 transitions. [2024-11-09 00:28:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:28:05,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:05,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:06,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:07,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 184 transitions. [2024-11-09 00:28:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2024-11-09 00:28:07,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:28:07,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 152 states and 191 transitions. [2024-11-09 00:28:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 191 transitions. [2024-11-09 00:28:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:28:11,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 158 states and 200 transitions. [2024-11-09 00:28:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2024-11-09 00:28:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:28:14,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 157 states and 199 transitions. [2024-11-09 00:28:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2024-11-09 00:28:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:28:14,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 159 states and 202 transitions. [2024-11-09 00:28:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2024-11-09 00:28:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:28:14,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 158 states and 201 transitions. [2024-11-09 00:28:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2024-11-09 00:28:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:28:14,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 159 states and 201 transitions. [2024-11-09 00:28:14,821 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2024-11-09 00:28:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:28:14,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:14,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:14,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:14,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 158 states and 200 transitions. [2024-11-09 00:28:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2024-11-09 00:28:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:28:14,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:14,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 159 states and 202 transitions. [2024-11-09 00:28:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2024-11-09 00:28:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:28:15,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 162 states and 208 transitions. [2024-11-09 00:28:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2024-11-09 00:28:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:28:15,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 213 transitions. [2024-11-09 00:28:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 213 transitions. [2024-11-09 00:28:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:28:16,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:16,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:16,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 164 states and 212 transitions. [2024-11-09 00:28:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 212 transitions. [2024-11-09 00:28:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:28:16,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:16,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-11-09 00:28:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-11-09 00:28:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:28:17,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:19,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 168 states and 218 transitions. [2024-11-09 00:28:19,986 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 218 transitions. [2024-11-09 00:28:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:28:19,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:19,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:20,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:21,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 170 states and 221 transitions. [2024-11-09 00:28:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2024-11-09 00:28:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:28:21,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:21,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 172 states and 224 transitions. [2024-11-09 00:28:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 224 transitions. [2024-11-09 00:28:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:22,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 173 states and 225 transitions. [2024-11-09 00:28:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2024-11-09 00:28:23,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:23,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:23,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 177 states and 231 transitions. [2024-11-09 00:28:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 231 transitions. [2024-11-09 00:28:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:25,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:25,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 184 states and 241 transitions. [2024-11-09 00:28:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 241 transitions. [2024-11-09 00:28:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:27,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:27,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:27,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 185 states and 243 transitions. [2024-11-09 00:28:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 243 transitions. [2024-11-09 00:28:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:28,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 186 states and 245 transitions. [2024-11-09 00:28:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 245 transitions. [2024-11-09 00:28:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:28:28,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:29,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 187 states and 246 transitions. [2024-11-09 00:28:29,739 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 246 transitions. [2024-11-09 00:28:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:28:29,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:29,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 191 states and 253 transitions. [2024-11-09 00:28:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 253 transitions. [2024-11-09 00:28:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:28:32,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:32,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:34,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 193 states and 257 transitions. [2024-11-09 00:28:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 257 transitions. [2024-11-09 00:28:36,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:28:36,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:36,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:36,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2024-11-09 00:28:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2024-11-09 00:28:36,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:28:36,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:36,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:40,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 142 states and 181 transitions. [2024-11-09 00:28:40,543 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 181 transitions. [2024-11-09 00:28:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:28:40,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:40,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 151 states and 198 transitions. [2024-11-09 00:28:47,771 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-09 00:28:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:28:47,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:47,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:28:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:51,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 158 states and 206 transitions. [2024-11-09 00:28:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 206 transitions. [2024-11-09 00:28:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:28:51,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:51,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:28:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:28:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:28:53,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 161 states and 210 transitions. [2024-11-09 00:28:53,109 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 210 transitions. [2024-11-09 00:28:53,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:28:53,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:28:53,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:28:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:53,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:53,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:28:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:28:53,265 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2024-11-09 00:28:53,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:28:53 ImpRootNode [2024-11-09 00:28:53,321 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:28:53,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:28:53,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:28:53,323 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:28:53,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:57" (3/4) ... [2024-11-09 00:28:53,327 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:28:53,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:28:53,330 INFO L158 Benchmark]: Toolchain (without parser) took 57059.28ms. Allocated memory was 186.6MB in the beginning and 522.2MB in the end (delta: 335.5MB). Free memory was 152.0MB in the beginning and 219.9MB in the end (delta: -67.9MB). Peak memory consumption was 269.4MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,332 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 78.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:53,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.47ms. Allocated memory is still 186.6MB. Free memory was 152.0MB in the beginning and 131.7MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,334 INFO L158 Benchmark]: Boogie Preprocessor took 42.67ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 127.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,336 INFO L158 Benchmark]: RCFGBuilder took 803.88ms. Allocated memory is still 186.6MB. Free memory was 127.5MB in the beginning and 95.4MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,337 INFO L158 Benchmark]: CodeCheck took 55600.73ms. Allocated memory was 186.6MB in the beginning and 522.2MB in the end (delta: 335.5MB). Free memory was 95.4MB in the beginning and 219.9MB in the end (delta: -124.5MB). Peak memory consumption was 212.7MB. Max. memory is 16.1GB. [2024-11-09 00:28:53,337 INFO L158 Benchmark]: Witness Printer took 7.03ms. Allocated memory is still 522.2MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:28:53,340 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, 129 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 55.5s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5604 SdHoareTripleChecker+Valid, 29.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3769 mSDsluCounter, 3769 SdHoareTripleChecker+Invalid, 25.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2648 mSDsCounter, 4131 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13916 IncrementalHoareTripleChecker+Invalid, 18047 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4131 mSolverCounterUnsat, 1121 mSDtfsCounter, 13916 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4523 GetRequests, 4084 SyntacticMatches, 69 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58938 ImplicationChecksByTransitivity, 47.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 601 NumberOfCodeBlocks, 601 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 2516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 45 PerfectInterpolantSequences, 2/6 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 - UnprovableResult [Line: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 991. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) VAL [list={-1:0}] [L1007] list->prev = ((void*)0) VAL [list={-1:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={-1:0}, list={-1:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list VAL [end={-1:0}, list={-1:0}] [L1040] COND FALSE !(!(((void*)0) != end)) VAL [end={-1:0}, list={-1:0}] [L1041] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1041] COND FALSE !(!(BLACK == end->colour)) [L1043] COND FALSE !(((void*)0) != end) VAL [end={-1:0}, list={-1:0}] [L1043] COND TRUE ((void*)0) != end VAL [end={-1:0}, list={-1:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}] [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next VAL [end={-1:0}, list={-1:0}] [L1051] COND TRUE !(end->next) [L1051] CALL reach_error() [L991] COND FALSE !(0) [L991] __assert_fail ("0", "dll-rb-cnstr_1-2.c", 11, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 136.3MB. Free memory was 78.5MB in the beginning and 78.4MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.47ms. Allocated memory is still 186.6MB. Free memory was 152.0MB in the beginning and 131.7MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 186.6MB. Free memory was 131.7MB in the beginning and 129.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.67ms. Allocated memory is still 186.6MB. Free memory was 129.6MB in the beginning and 127.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 803.88ms. Allocated memory is still 186.6MB. Free memory was 127.5MB in the beginning and 95.4MB in the end (delta: 32.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 55600.73ms. Allocated memory was 186.6MB in the beginning and 522.2MB in the end (delta: 335.5MB). Free memory was 95.4MB in the beginning and 219.9MB in the end (delta: -124.5MB). Peak memory consumption was 212.7MB. Max. memory is 16.1GB. * Witness Printer took 7.03ms. Allocated memory is still 522.2MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:28:53,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk --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 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:28:56,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:28:56,114 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-09 00:28:56,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:28:56,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:28:56,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:28:56,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:28:56,168 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:28:56,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:28:56,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:28:56,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:28:56,171 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 00:28:56,171 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 00:28:56,172 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 00:28:56,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:28:56,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:28:56,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:28:56,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:28:56,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:28:56,177 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:28:56,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:28:56,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:28:56,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:28:56,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:28:56,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:28:56,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:56,179 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:28:56,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:28:56,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:28:56,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:28:56,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:28:56,185 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:28:56,185 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:28:56,186 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:28:56,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0209a5ecd1f90a7dc207e0462366045d25daa538d59f8499c5199765a86166a3 [2024-11-09 00:28:56,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:28:56,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:28:56,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:28:56,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:28:56,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:28:56,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i Unable to find full path for "g++" [2024-11-09 00:28:58,853 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:28:59,117 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:28:59,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/sv-benchmarks/c/forester-heap/dll-rb-cnstr_1-2.i [2024-11-09 00:28:59,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/7b26bad1e/46578db401854a488e9a7716a81ee733/FLAGcb3317e48 [2024-11-09 00:28:59,433 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/data/7b26bad1e/46578db401854a488e9a7716a81ee733 [2024-11-09 00:28:59,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:28:59,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:28:59,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:28:59,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:28:59,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:28:59,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:59" (1/1) ... [2024-11-09 00:28:59,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4b65ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:28:59, skipping insertion in model container [2024-11-09 00:28:59,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:28:59" (1/1) ... [2024-11-09 00:28:59,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:28:59,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:28:59,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:00,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:00,069 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:00,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00 WrapperNode [2024-11-09 00:29:00,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:00,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:00,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:00,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:00,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,126 INFO L138 Inliner]: procedures = 122, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128 [2024-11-09 00:29:00,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:00,131 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:00,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:00,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:00,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,167 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:00,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:00,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:00,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:00,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:00" (1/1) ... [2024-11-09 00:29:00,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:00,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:00,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:00,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:29:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:29:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:29:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:29:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:29:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:29:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:29:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:00,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:00,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:01,210 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:01,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:01,314 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:01,316 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 00:29:01,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:01 BoogieIcfgContainer [2024-11-09 00:29:01,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:01,317 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:01,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:01,328 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:01,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:01" (1/1) ... [2024-11-09 00:29:01,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 129 states and 149 transitions. [2024-11-09 00:29:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2024-11-09 00:29:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:29:01,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:01,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:01,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:01,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:01,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:29:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:01,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:01,615 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 [2024-11-09 00:29:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:01,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:29:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:01,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 128 states and 148 transitions. [2024-11-09 00:29:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2024-11-09 00:29:01,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-09 00:29:01,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:01,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:01,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:01,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:01,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:29:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:01,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:01,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:01,827 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 [2024-11-09 00:29:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:01,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:29:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 147 transitions. [2024-11-09 00:29:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-11-09 00:29:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:29:01,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:01,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:01,998 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:02,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:29:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:02,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:02,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:02,137 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:02,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:29:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 146 transitions. [2024-11-09 00:29:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2024-11-09 00:29:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-09 00:29:02,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:02,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:02,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:02,191 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:02,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:29:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:02,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:02,360 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 [2024-11-09 00:29:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:02,382 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:02,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:02,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 125 states and 145 transitions. [2024-11-09 00:29:02,450 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2024-11-09 00:29:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:29:02,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:02,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:02,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:02,456 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:02,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:29:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:02,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:02,623 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:02,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:29:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 124 states and 144 transitions. [2024-11-09 00:29:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2024-11-09 00:29:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:29:02,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:02,687 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:02,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:29:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:02,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:02,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:02,888 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 [2024-11-09 00:29:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:02,928 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:02,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:29:03,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:03,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 123 states and 143 transitions. [2024-11-09 00:29:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2024-11-09 00:29:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:29:03,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:03,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:03,006 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:03,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:29:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:29:03,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:03,279 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 [2024-11-09 00:29:03,416 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-09 00:29:03,417 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 [2024-11-09 00:29:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:03,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:29:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 122 states and 141 transitions. [2024-11-09 00:29:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 141 transitions. [2024-11-09 00:29:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:29:03,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:03,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:03,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:03,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:03,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:29:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:03,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:29:03,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:03,792 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 [2024-11-09 00:29:03,802 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 [2024-11-09 00:29:03,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:29:03,960 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 [2024-11-09 00:29:03,984 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:03,984 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 [2024-11-09 00:29:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:04,024 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:04,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:29:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2024-11-09 00:29:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2024-11-09 00:29:04,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:29:04,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:04,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:04,302 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:04,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:29:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:04,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:04,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:29:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 124 states and 146 transitions. [2024-11-09 00:29:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2024-11-09 00:29:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:29:04,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:04,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:04,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:04,518 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:04,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:29:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,631 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:04,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:04,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:04,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2024-11-09 00:29:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2024-11-09 00:29:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:29:05,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:05,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:05,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:05,163 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:05,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:29:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:05,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:05,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:29:05,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:05,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:29:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:05,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 123 states and 141 transitions. [2024-11-09 00:29:05,316 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2024-11-09 00:29:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:29:05,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:05,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:05,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:05,320 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:05,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:29:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:05,472 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:05,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:29:05,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:05,524 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 [2024-11-09 00:29:05,571 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 [2024-11-09 00:29:05,624 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 [2024-11-09 00:29:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:05,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:29:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 125 states and 144 transitions. [2024-11-09 00:29:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2024-11-09 00:29:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:29:06,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:06,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:06,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:06,392 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:06,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:29:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:06,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:06,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 00:29:06,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:06,593 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 [2024-11-09 00:29:06,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:06,689 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 [2024-11-09 00:29:06,779 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 [2024-11-09 00:29:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:06,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 00:29:08,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 147 transitions. [2024-11-09 00:29:08,424 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 147 transitions. [2024-11-09 00:29:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:29:08,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:08,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:08,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:08,428 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:08,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:29:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:08,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:08,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:08,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:08,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:29:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2024-11-09 00:29:09,938 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2024-11-09 00:29:09,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:29:09,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:09,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:09,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:09,942 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:09,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:29:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:10,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:10,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:10,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:10,181 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 [2024-11-09 00:29:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:10,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:29:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2024-11-09 00:29:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-09 00:29:11,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:29:11,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:11,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:11,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:11,205 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:11,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:29:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:11,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:11,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:29:11,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:11,406 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 [2024-11-09 00:29:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:11,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:29:12,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:12,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 142 states and 173 transitions. [2024-11-09 00:29:12,576 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 173 transitions. [2024-11-09 00:29:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:29:12,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:12,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:12,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:12,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:12,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:29:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:12,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:12,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:12,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:12,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-09 00:29:13,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:13,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 143 states and 175 transitions. [2024-11-09 00:29:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-09 00:29:13,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:29:13,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:13,252 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:13,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:29:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:13,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:13,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:13,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:13,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-09 00:29:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 144 states and 176 transitions. [2024-11-09 00:29:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2024-11-09 00:29:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:29:14,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:14,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:14,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:14,237 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:29:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:14,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:14,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:29:14,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:14,487 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 [2024-11-09 00:29:14,531 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-09 00:29:14,531 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 [2024-11-09 00:29:14,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 00:29:15,076 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:29:15,076 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 [2024-11-09 00:29:15,102 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 [2024-11-09 00:29:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:15,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:29:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 148 states and 185 transitions. [2024-11-09 00:29:20,350 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2024-11-09 00:29:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:29:20,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:20,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:20,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:20,354 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:20,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:29:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:20,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:20,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:29:20,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:20,612 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 [2024-11-09 00:29:20,632 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 [2024-11-09 00:29:20,648 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:20,648 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 [2024-11-09 00:29:20,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:20,860 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 [2024-11-09 00:29:21,285 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:29:21,286 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 [2024-11-09 00:29:21,296 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 [2024-11-09 00:29:21,319 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 [2024-11-09 00:29:21,329 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 [2024-11-09 00:29:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:21,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-09 00:29:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 150 states and 190 transitions. [2024-11-09 00:29:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 190 transitions. [2024-11-09 00:29:24,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:29:24,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:24,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:24,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:24,541 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:24,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:29:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:24,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:24,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:29:24,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:25,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:25,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:25,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 156 states and 198 transitions. [2024-11-09 00:29:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 198 transitions. [2024-11-09 00:29:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:29:29,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:29,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:29,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:29,283 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:29,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:29:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:29,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:29,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:29,499 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:29,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:29,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:29,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 155 states and 197 transitions. [2024-11-09 00:29:29,568 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 197 transitions. [2024-11-09 00:29:29,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:29:29,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:29,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:29,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:29,574 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:29,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:29:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:29,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:29,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 00:29:29,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:29,889 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 [2024-11-09 00:29:29,925 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:29,925 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 [2024-11-09 00:29:29,935 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 [2024-11-09 00:29:29,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:29,976 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 [2024-11-09 00:29:30,025 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:29:30,025 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 [2024-11-09 00:29:30,039 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 [2024-11-09 00:29:30,065 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 [2024-11-09 00:29:30,075 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 [2024-11-09 00:29:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:30,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 157 states and 201 transitions. [2024-11-09 00:29:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2024-11-09 00:29:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:29:30,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:30,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:30,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:30,181 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:30,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:29:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:30,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:30,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:29:30,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 156 states and 200 transitions. [2024-11-09 00:29:30,492 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 200 transitions. [2024-11-09 00:29:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:29:30,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:30,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:30,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:30,498 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:30,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:29:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:30,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:29:30,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:30,845 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 [2024-11-09 00:29:30,874 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:30,875 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 [2024-11-09 00:29:30,883 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 [2024-11-09 00:29:30,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:30,911 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 [2024-11-09 00:29:30,947 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:29:30,948 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 [2024-11-09 00:29:30,963 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 [2024-11-09 00:29:30,978 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 [2024-11-09 00:29:30,987 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 [2024-11-09 00:29:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:31,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-09 00:29:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 200 transitions. [2024-11-09 00:29:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 200 transitions. [2024-11-09 00:29:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:29:31,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:31,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:31,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:31,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:29:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:31,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:31,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:29:31,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:31,462 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-09 00:29:31,462 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 [2024-11-09 00:29:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:31,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:29:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 156 states and 199 transitions. [2024-11-09 00:29:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 199 transitions. [2024-11-09 00:29:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:29:31,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:31,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:31,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:31,534 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:31,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:29:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:31,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:31,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:29:31,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:32,014 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 [2024-11-09 00:29:32,029 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:32,030 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 [2024-11-09 00:29:32,059 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 [2024-11-09 00:29:32,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:29:32,118 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:29:32,119 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 [2024-11-09 00:29:32,134 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 [2024-11-09 00:29:32,161 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 [2024-11-09 00:29:32,172 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 [2024-11-09 00:29:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 00:29:32,214 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 [2024-11-09 00:29:32,231 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:29:32,231 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 [2024-11-09 00:29:32,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:32,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:29:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 200 transitions. [2024-11-09 00:29:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 200 transitions. [2024-11-09 00:29:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:29:32,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:32,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:32,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:32,318 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:32,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:29:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:32,565 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:32,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:32,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:32,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 160 states and 206 transitions. [2024-11-09 00:29:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2024-11-09 00:29:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:29:33,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:33,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:33,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:33,359 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:33,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:29:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:33,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:33,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:33,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:34,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:37,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:37,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 163 states and 211 transitions. [2024-11-09 00:29:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 211 transitions. [2024-11-09 00:29:37,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:29:37,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:37,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:37,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:37,187 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:37,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:29:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:37,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:37,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:37,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:37,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-09 00:29:37,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:37,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2024-11-09 00:29:37,509 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2024-11-09 00:29:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:29:37,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:37,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:37,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:37,510 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:37,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:29:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:37,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:37,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:37,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:38,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:29:38,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:38,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 161 states and 209 transitions. [2024-11-09 00:29:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 209 transitions. [2024-11-09 00:29:38,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:29:38,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:38,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:38,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:38,350 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:29:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:38,604 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:38,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:38,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:38,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 167 states and 227 transitions. [2024-11-09 00:29:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 227 transitions. [2024-11-09 00:29:42,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:29:42,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:42,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:42,352 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:42,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:29:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:42,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:42,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:29:42,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:43,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2024-11-09 00:29:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2024-11-09 00:29:53,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:29:53,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:53,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:53,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:53,749 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:53,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:29:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:54,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:54,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:29:54,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:29:54,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:03,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 177 states and 256 transitions. [2024-11-09 00:30:03,266 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 256 transitions. [2024-11-09 00:30:03,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:30:03,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:03,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:03,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:03,268 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:03,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:30:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:03,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:03,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:30:03,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:03,612 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 [2024-11-09 00:30:03,887 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 [2024-11-09 00:30:03,895 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 19 treesize of output 11 [2024-11-09 00:30:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:04,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-09 00:30:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 179 states and 259 transitions. [2024-11-09 00:30:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 259 transitions. [2024-11-09 00:30:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:30:05,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:05,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:05,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:05,530 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:05,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:30:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:05,881 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:05,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:30:05,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:05,949 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 [2024-11-09 00:30:06,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:30:06,323 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 [2024-11-09 00:30:06,336 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 [2024-11-09 00:30:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:06,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 181 states and 262 transitions. [2024-11-09 00:30:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 262 transitions. [2024-11-09 00:30:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:09,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:09,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:09,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:09,799 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:09,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:30:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:10,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:10,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:10,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 182 states and 263 transitions. [2024-11-09 00:30:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 263 transitions. [2024-11-09 00:30:10,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:10,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:10,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:10,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:10,230 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:10,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:30:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:30:10,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:10,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 183 states and 264 transitions. [2024-11-09 00:30:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 264 transitions. [2024-11-09 00:30:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:10,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:10,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:10,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:10,683 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:10,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:30:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:10,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:10,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:11,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 184 states and 265 transitions. [2024-11-09 00:30:11,053 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 265 transitions. [2024-11-09 00:30:11,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:11,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:11,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:11,056 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:11,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:30:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,334 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:11,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:11,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 183 states and 264 transitions. [2024-11-09 00:30:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 264 transitions. [2024-11-09 00:30:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:11,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:11,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:11,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:11,422 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:11,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:30:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,701 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:11,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:30:11,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:12,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 187 states and 274 transitions. [2024-11-09 00:30:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 274 transitions. [2024-11-09 00:30:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:22,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:22,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:22,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:22,175 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:22,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:30:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:22,551 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:22,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:30:22,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:22,587 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 [2024-11-09 00:30:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:22,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 194 states and 288 transitions. [2024-11-09 00:30:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2024-11-09 00:30:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:29,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:29,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:29,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:29,903 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:29,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:30:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:30,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:30,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:30,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:30,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 195 states and 289 transitions. [2024-11-09 00:30:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 289 transitions. [2024-11-09 00:30:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:30,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:30,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:30,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:30,778 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:30,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:30:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,174 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:31,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:31,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 196 states and 290 transitions. [2024-11-09 00:30:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 290 transitions. [2024-11-09 00:30:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:31,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:31,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:31,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:31,278 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:31,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:30:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:31,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:31,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:31,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 197 states and 292 transitions. [2024-11-09 00:30:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 292 transitions. [2024-11-09 00:30:33,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:30:33,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:33,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:33,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:33,272 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:33,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:30:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:33,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:30:33,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:33,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:30:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 198 states and 293 transitions. [2024-11-09 00:30:35,651 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 293 transitions. [2024-11-09 00:30:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:30:35,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:35,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:35,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:35,657 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:35,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:30:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:35,967 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:35,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:30:35,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:36,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-09 00:30:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:30:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 197 states and 292 transitions. [2024-11-09 00:30:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 292 transitions. [2024-11-09 00:30:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:30:36,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:30:36,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:30:36,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:30:36,068 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:30:36,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:30:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:36,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:30:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:30:36,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:30:36,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:30:37,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:30:37,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 203 states and 312 transitions. [2024-11-09 00:31:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 312 transitions. [2024-11-09 00:31:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:31:00,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:00,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:00,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:00,906 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:00,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:31:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:31:01,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:01,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-09 00:31:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 202 states and 311 transitions. [2024-11-09 00:31:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 311 transitions. [2024-11-09 00:31:01,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:31:01,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:01,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:01,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:01,382 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:01,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:31:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:01,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:31:01,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:01,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:01,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 203 states and 311 transitions. [2024-11-09 00:31:01,924 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 311 transitions. [2024-11-09 00:31:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:31:01,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:01,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:01,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:01,927 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:01,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:31:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:02,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:02,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:31:02,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:02,461 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-09 00:31:02,461 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 [2024-11-09 00:31:02,977 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 [2024-11-09 00:31:03,524 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:31:03,525 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 [2024-11-09 00:31:03,576 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 [2024-11-09 00:31:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:03,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-09 00:31:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:08,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 207 states and 320 transitions. [2024-11-09 00:31:08,523 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 320 transitions. [2024-11-09 00:31:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:31:08,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:08,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:08,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:08,526 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:08,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:31:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:09,062 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:09,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:31:09,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:09,142 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 [2024-11-09 00:31:09,159 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:31:09,159 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 [2024-11-09 00:31:09,709 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 [2024-11-09 00:31:09,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:31:10,271 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:31:10,272 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 [2024-11-09 00:31:10,282 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 [2024-11-09 00:31:10,300 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 [2024-11-09 00:31:10,308 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 [2024-11-09 00:31:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:10,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:31:13,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 209 states and 325 transitions. [2024-11-09 00:31:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 325 transitions. [2024-11-09 00:31:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:13,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:13,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:13,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:13,839 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:13,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:31:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:14,187 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:14,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:31:14,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:14,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:14,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 210 states and 326 transitions. [2024-11-09 00:31:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 326 transitions. [2024-11-09 00:31:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:14,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:14,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:14,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:14,451 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:14,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:31:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:14,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:14,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:31:14,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:14,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:28,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:28,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 217 states and 346 transitions. [2024-11-09 00:31:28,405 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 346 transitions. [2024-11-09 00:31:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:28,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:28,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:28,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:28,407 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:28,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:31:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:28,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:28,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:31:28,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:28,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:28,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 219 states and 347 transitions. [2024-11-09 00:31:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 347 transitions. [2024-11-09 00:31:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:28,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:28,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:28,871 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:28,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:31:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:29,279 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:29,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:31:29,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:29,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-09 00:31:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 218 states and 346 transitions. [2024-11-09 00:31:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 346 transitions. [2024-11-09 00:31:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:29,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:29,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:29,425 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:29,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:31:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:29,956 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:30,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:31:30,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:30,032 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-09 00:31:30,032 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 [2024-11-09 00:31:30,039 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 [2024-11-09 00:31:30,053 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 [2024-11-09 00:31:30,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 00:31:30,104 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-09 00:31:30,104 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 [2024-11-09 00:31:30,112 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 [2024-11-09 00:31:30,132 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 [2024-11-09 00:31:30,139 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 [2024-11-09 00:31:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:30,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-09 00:31:30,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 170 states and 268 transitions. [2024-11-09 00:31:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 268 transitions. [2024-11-09 00:31:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:30,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:30,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:30,250 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:30,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:31:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:30,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:30,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:31:30,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:30,775 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 [2024-11-09 00:31:30,817 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-09 00:31:30,817 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 [2024-11-09 00:31:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:31:30,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-09 00:31:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2024-11-09 00:31:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2024-11-09 00:31:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:40,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:40,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:40,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:40,721 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:40,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:31:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:41,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:41,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:31:41,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:31:41,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:31:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:31:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 184 states and 286 transitions. [2024-11-09 00:31:50,852 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 286 transitions. [2024-11-09 00:31:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:31:50,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:31:50,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:31:50,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:31:50,854 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:31:50,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:31:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:51,394 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:31:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:31:51,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:31:51,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:31:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:31:52,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-09 00:32:04,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 193 states and 300 transitions. [2024-11-09 00:32:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 300 transitions. [2024-11-09 00:32:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:32:04,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:04,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:04,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:04,711 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:04,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:32:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:05,154 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:32:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:32:05,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:32:05,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:32:05,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:32:05,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-09 00:32:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:32:05,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 194 states and 301 transitions. [2024-11-09 00:32:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 301 transitions. [2024-11-09 00:32:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:32:05,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:32:05,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:32:05,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:32:05,269 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:32:05,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:32:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:05,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:32:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:06,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:32:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:32:06,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-09 00:32:06,234 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 62 iterations. [2024-11-09 00:32:06,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:32:06 ImpRootNode [2024-11-09 00:32:06,262 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:32:06,263 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:32:06,263 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:32:06,263 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:32:06,264 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:01" (3/4) ... [2024-11-09 00:32:06,267 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:32:06,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:32:06,269 INFO L158 Benchmark]: Toolchain (without parser) took 186831.58ms. Allocated memory was 67.1MB in the beginning and 192.9MB in the end (delta: 125.8MB). Free memory was 37.9MB in the beginning and 122.1MB in the end (delta: -84.1MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,269 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:06,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.58ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.7MB in the beginning and 56.9MB in the end (delta: -19.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.22ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,270 INFO L158 Benchmark]: Boogie Preprocessor took 39.82ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,271 INFO L158 Benchmark]: RCFGBuilder took 1145.32ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 64.1MB in the end (delta: -12.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,271 INFO L158 Benchmark]: CodeCheck took 184944.96ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 64.1MB in the beginning and 123.1MB in the end (delta: -59.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-11-09 00:32:06,271 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 192.9MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:32:06,273 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, 129 locations, 65 error locations. Started 1 CEGAR loops. OverallTime: 184.9s, OverallIterations: 62, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10579 SdHoareTripleChecker+Valid, 121.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7902 mSDsluCounter, 6487 SdHoareTripleChecker+Invalid, 105.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4896 mSDsCounter, 6019 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26157 IncrementalHoareTripleChecker+Invalid, 32176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6019 mSolverCounterUnsat, 1591 mSDtfsCounter, 26157 mSolverCounterSat, 1.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7340 GetRequests, 6787 SyntacticMatches, 121 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82540 ImplicationChecksByTransitivity, 154.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 769 ConstructedInterpolants, 2 QuantifiedInterpolants, 4758 SizeOfPredicates, 61 NumberOfNonLiveVariables, 6193 ConjunctsInSsa, 329 ConjunctsInUnsatCore, 61 InterpolantComputations, 60 PerfectInterpolantSequences, 4/6 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 - UnprovableResult [Line: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 991. Possible FailurePath: [L1005] SLL* list = malloc(sizeof(SLL)); [L1006] list->next = ((void*)0) VAL [list={3:0}] [L1007] list->prev = ((void*)0) VAL [list={3:0}] [L1008] list->colour = BLACK [L1010] SLL* end = list; VAL [end={3:0}, list={3:0}] [L1013] COND FALSE !(__VERIFIER_nondet_int()) [L1036] end = ((void*)0) [L1037] end = list VAL [end={3:0}, list={3:0}] [L1040] COND FALSE !(!(((void*)0) != end)) VAL [end={3:0}, list={3:0}] [L1041] EXPR end->colour VAL [end={3:0}, list={3:0}] [L1041] COND FALSE !(!(BLACK == end->colour)) [L1043] COND FALSE !(((void*)0) != end) VAL [end={3:0}, list={3:0}] [L1043] COND TRUE ((void*)0) != end VAL [end={3:0}, list={3:0}] [L1045] EXPR end->colour VAL [end={3:0}, list={3:0}] [L1045] COND FALSE !(RED == end->colour) [L1051] EXPR end->next VAL [end={3:0}, list={3:0}] [L1051] COND TRUE !(end->next) [L1051] CALL reach_error() [L991] COND FALSE !(0) [L991] __assert_fail ("0", "dll-rb-cnstr_1-2.c", 11, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.58ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 37.7MB in the beginning and 56.9MB in the end (delta: -19.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.22ms. Allocated memory is still 90.2MB. Free memory was 56.9MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.82ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1145.32ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 64.1MB in the end (delta: -12.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * CodeCheck took 184944.96ms. Allocated memory was 90.2MB in the beginning and 192.9MB in the end (delta: 102.8MB). Free memory was 64.1MB in the beginning and 123.1MB in the end (delta: -59.1MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 192.9MB. Free memory is still 122.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:32:06,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d018262-dc9d-4d6e-8e9d-ec37b1e568f5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample