./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3 --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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:31,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:31,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-24 18:06:31,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:06:31,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:06:32,039 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:32,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:32,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:32,041 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 18:06:32,042 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 18:06:32,042 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 18:06:32,044 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:32,044 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:06:32,044 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:06:32,045 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:32,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:32,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:32,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:32,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:32,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:32,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:32,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:32,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:32,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:06:32,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:06:32,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-11-24 18:06:32,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:32,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:32,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:32,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:32,486 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:32,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-24 18:06:35,784 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/fd2858451/2f487eb537a048a58f8426a189b2d995/FLAG262360e3c [2024-11-24 18:06:36,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:36,249 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-24 18:06:36,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/fd2858451/2f487eb537a048a58f8426a189b2d995/FLAG262360e3c [2024-11-24 18:06:36,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/fd2858451/2f487eb537a048a58f8426a189b2d995 [2024-11-24 18:06:36,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:36,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:36,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:36,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:36,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:36,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:36,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1110f2eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36, skipping insertion in model container [2024-11-24 18:06:36,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:36,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:36,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:36,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:36,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:36,901 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:36,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36 WrapperNode [2024-11-24 18:06:36,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:36,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:36,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:36,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:36,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:36,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:36,987 INFO L138 Inliner]: procedures = 119, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 170 [2024-11-24 18:06:36,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:36,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:36,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:36,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:36,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:36,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:37,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:37,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:37,039 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:37,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:36" (1/1) ... [2024-11-24 18:06:37,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:37,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:37,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:37,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:06:37,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:37,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 18:06:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 18:06:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:06:37,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:37,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:37,249 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:37,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:37,971 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:37,971 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:38,092 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:38,094 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-24 18:06:38,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:38 BoogieIcfgContainer [2024-11-24 18:06:38,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:38,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:38,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:38,108 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:38,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:38" (1/1) ... [2024-11-24 18:06:38,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:38,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:38,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-11-24 18:06:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-11-24 18:06:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:06:38,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:38,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-11-24 18:06:38,512 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-11-24 18:06:38,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:06:38,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:38,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:38,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-11-24 18:06:38,885 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-11-24 18:06:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:06:38,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:38,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:38,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-11-24 18:06:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-24 18:06:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:06:38,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:38,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-11-24 18:06:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-11-24 18:06:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:06:39,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:39,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:39,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-11-24 18:06:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-11-24 18:06:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:06:39,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:39,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-11-24 18:06:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-24 18:06:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:06:39,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-11-24 18:06:39,800 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-24 18:06:39,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:06:39,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:39,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-11-24 18:06:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-11-24 18:06:40,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:06:40,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-11-24 18:06:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-24 18:06:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:06:40,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-11-24 18:06:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-11-24 18:06:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:06:40,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-11-24 18:06:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-24 18:06:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:06:40,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:40,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-11-24 18:06:40,842 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-11-24 18:06:40,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:06:40,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-11-24 18:06:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-11-24 18:06:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:06:41,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-11-24 18:06:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-11-24 18:06:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:06:41,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-11-24 18:06:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-11-24 18:06:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:06:41,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:41,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:42,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-11-24 18:06:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-11-24 18:06:42,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:06:42,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:42,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 158 states and 199 transitions. [2024-11-24 18:06:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 199 transitions. [2024-11-24 18:06:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:06:43,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:43,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 160 states and 203 transitions. [2024-11-24 18:06:44,724 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 203 transitions. [2024-11-24 18:06:44,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:06:44,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:44,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 160 states and 199 transitions. [2024-11-24 18:06:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 199 transitions. [2024-11-24 18:06:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:44,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:44,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:44,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 161 states and 201 transitions. [2024-11-24 18:06:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 201 transitions. [2024-11-24 18:06:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:45,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:45,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 163 states and 204 transitions. [2024-11-24 18:06:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2024-11-24 18:06:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:45,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:45,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 166 states and 209 transitions. [2024-11-24 18:06:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 209 transitions. [2024-11-24 18:06:46,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:46,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:46,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:47,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2024-11-24 18:06:47,440 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2024-11-24 18:06:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:47,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 178 states and 231 transitions. [2024-11-24 18:06:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 231 transitions. [2024-11-24 18:06:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:06:48,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:48,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 183 states and 239 transitions. [2024-11-24 18:06:50,868 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 239 transitions. [2024-11-24 18:06:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:06:50,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:50,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-11-24 18:06:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-11-24 18:06:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:54,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:54,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:54,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2024-11-24 18:06:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2024-11-24 18:06:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:54,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:54,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:54,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:54,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:54,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 188 states and 249 transitions. [2024-11-24 18:06:54,970 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-11-24 18:06:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:54,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:54,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:55,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 187 states and 248 transitions. [2024-11-24 18:06:55,054 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 248 transitions. [2024-11-24 18:06:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:55,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:55,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:55,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:55,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 188 states and 249 transitions. [2024-11-24 18:06:55,364 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-11-24 18:06:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:55,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:55,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:59,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 194 states and 259 transitions. [2024-11-24 18:06:59,485 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2024-11-24 18:06:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:06:59,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:59,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:59,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 193 states and 256 transitions. [2024-11-24 18:06:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 256 transitions. [2024-11-24 18:06:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:06:59,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:59,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 194 states and 259 transitions. [2024-11-24 18:07:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 259 transitions. [2024-11-24 18:07:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:07:00,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:00,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:00,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 193 states and 258 transitions. [2024-11-24 18:07:00,610 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 258 transitions. [2024-11-24 18:07:00,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:07:00,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:00,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 194 states and 260 transitions. [2024-11-24 18:07:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2024-11-24 18:07:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:07:01,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:01,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 196 states and 264 transitions. [2024-11-24 18:07:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 264 transitions. [2024-11-24 18:07:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:07:01,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:01,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:02,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 200 states and 270 transitions. [2024-11-24 18:07:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 270 transitions. [2024-11-24 18:07:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:07:02,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:02,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 199 states and 269 transitions. [2024-11-24 18:07:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2024-11-24 18:07:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:07:02,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:02,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-11-24 18:07:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-11-24 18:07:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:07:02,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:02,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:03,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 203 states and 274 transitions. [2024-11-24 18:07:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 274 transitions. [2024-11-24 18:07:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:07:04,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:04,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:05,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 205 states and 277 transitions. [2024-11-24 18:07:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 277 transitions. [2024-11-24 18:07:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:07:06,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:06,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:09,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 207 states and 280 transitions. [2024-11-24 18:07:09,426 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 280 transitions. [2024-11-24 18:07:09,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:07:09,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:09,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 208 states and 281 transitions. [2024-11-24 18:07:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 281 transitions. [2024-11-24 18:07:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:07:09,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:09,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:09,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 210 states and 288 transitions. [2024-11-24 18:07:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 288 transitions. [2024-11-24 18:07:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:07:09,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:09,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 213 states and 294 transitions. [2024-11-24 18:07:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 294 transitions. [2024-11-24 18:07:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:07:12,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 212 states and 290 transitions. [2024-11-24 18:07:12,185 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 290 transitions. [2024-11-24 18:07:12,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:07:12,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:12,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 215 states and 293 transitions. [2024-11-24 18:07:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 293 transitions. [2024-11-24 18:07:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:07:12,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:12,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 214 states and 290 transitions. [2024-11-24 18:07:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 290 transitions. [2024-11-24 18:07:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:07:14,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:14,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 215 states and 292 transitions. [2024-11-24 18:07:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 292 transitions. [2024-11-24 18:07:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:07:15,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:15,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 216 states and 293 transitions. [2024-11-24 18:07:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 293 transitions. [2024-11-24 18:07:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:07:16,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:16,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:16,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:19,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:19,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 220 states and 300 transitions. [2024-11-24 18:07:19,302 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 300 transitions. [2024-11-24 18:07:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:07:19,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:20,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 222 states and 304 transitions. [2024-11-24 18:07:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 304 transitions. [2024-11-24 18:07:21,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:07:21,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:21,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:30,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 235 states and 330 transitions. [2024-11-24 18:07:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 330 transitions. [2024-11-24 18:07:30,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:07:30,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:30,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:30,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 236 states and 331 transitions. [2024-11-24 18:07:30,864 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 331 transitions. [2024-11-24 18:07:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:30,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:30,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 235 states and 330 transitions. [2024-11-24 18:07:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 330 transitions. [2024-11-24 18:07:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:30,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:07:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 236 states and 331 transitions. [2024-11-24 18:07:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 331 transitions. [2024-11-24 18:07:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:31,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:31,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:37,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:37,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 246 states and 358 transitions. [2024-11-24 18:07:37,547 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 358 transitions. [2024-11-24 18:07:37,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:37,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:37,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:43,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 257 states and 384 transitions. [2024-11-24 18:07:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 384 transitions. [2024-11-24 18:07:43,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:43,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:43,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:43,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 258 states and 385 transitions. [2024-11-24 18:07:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 385 transitions. [2024-11-24 18:07:43,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:43,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 259 states and 390 transitions. [2024-11-24 18:07:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 390 transitions. [2024-11-24 18:07:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:44,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:44,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 274 states and 426 transitions. [2024-11-24 18:07:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 426 transitions. [2024-11-24 18:07:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:53,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:53,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 275 states and 427 transitions. [2024-11-24 18:07:54,452 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 427 transitions. [2024-11-24 18:07:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:54,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:54,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:55,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 276 states and 432 transitions. [2024-11-24 18:07:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 432 transitions. [2024-11-24 18:07:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:55,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:55,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:55,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 277 states and 434 transitions. [2024-11-24 18:07:56,202 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 434 transitions. [2024-11-24 18:07:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:07:56,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:56,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:07:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 278 states and 435 transitions. [2024-11-24 18:07:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 435 transitions. [2024-11-24 18:07:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:07:56,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 282 states and 439 transitions. [2024-11-24 18:08:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 439 transitions. [2024-11-24 18:08:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:08:01,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:01,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:08:01,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 281 states and 438 transitions. [2024-11-24 18:08:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 438 transitions. [2024-11-24 18:08:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:08:01,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:01,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 290 states and 452 transitions. [2024-11-24 18:08:08,096 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 452 transitions. [2024-11-24 18:08:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:08:08,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:08,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:08,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 289 states and 451 transitions. [2024-11-24 18:08:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 451 transitions. [2024-11-24 18:08:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:08:08,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 291 states and 455 transitions. [2024-11-24 18:08:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 455 transitions. [2024-11-24 18:08:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:08:09,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:09,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 290 states and 454 transitions. [2024-11-24 18:08:09,662 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 454 transitions. [2024-11-24 18:08:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:08:09,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:09,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:09,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 291 states and 455 transitions. [2024-11-24 18:08:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 455 transitions. [2024-11-24 18:08:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:08:09,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:09,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 306 states and 484 transitions. [2024-11-24 18:08:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 484 transitions. [2024-11-24 18:08:27,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:08:27,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 307 states and 484 transitions. [2024-11-24 18:08:27,539 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 484 transitions. [2024-11-24 18:08:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:08:27,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:27,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 308 states and 484 transitions. [2024-11-24 18:08:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 484 transitions. [2024-11-24 18:08:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:08:27,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:27,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 309 states and 486 transitions. [2024-11-24 18:08:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 486 transitions. [2024-11-24 18:08:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:08:28,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:46,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 328 states and 525 transitions. [2024-11-24 18:08:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 525 transitions. [2024-11-24 18:08:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:08:46,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:46,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:47,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 332 states and 529 transitions. [2024-11-24 18:08:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 529 transitions. [2024-11-24 18:08:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:08:47,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:47,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 333 states and 531 transitions. [2024-11-24 18:08:48,548 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 531 transitions. [2024-11-24 18:08:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:08:48,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:53,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 335 states and 535 transitions. [2024-11-24 18:08:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 535 transitions. [2024-11-24 18:08:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:08:53,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:53,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:54,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:54,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 337 states and 544 transitions. [2024-11-24 18:08:54,023 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 544 transitions. [2024-11-24 18:08:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:08:54,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:54,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 336 states and 543 transitions. [2024-11-24 18:08:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 543 transitions. [2024-11-24 18:08:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:08:56,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:08:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:56,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 335 states and 542 transitions. [2024-11-24 18:08:56,441 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 542 transitions. [2024-11-24 18:08:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:08:56,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:56,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 334 states and 541 transitions. [2024-11-24 18:08:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 541 transitions. [2024-11-24 18:08:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:08:57,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:00,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 342 states and 563 transitions. [2024-11-24 18:09:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 563 transitions. [2024-11-24 18:09:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:09:17,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:17,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:18,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 343 states and 566 transitions. [2024-11-24 18:09:18,418 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 566 transitions. [2024-11-24 18:09:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:09:18,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:18,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:19,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 344 states and 568 transitions. [2024-11-24 18:09:19,458 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 568 transitions. [2024-11-24 18:09:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:09:19,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:19,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:09:21,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 345 states and 569 transitions. [2024-11-24 18:09:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 569 transitions. [2024-11-24 18:09:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:09:21,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:21,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:22,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:09:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 346 states and 571 transitions. [2024-11-24 18:09:25,617 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 571 transitions. [2024-11-24 18:09:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:09:25,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:25,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:25,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:25,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 346 states and 570 transitions. [2024-11-24 18:09:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 570 transitions. [2024-11-24 18:09:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:09:25,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:25,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 358 states and 598 transitions. [2024-11-24 18:09:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 598 transitions. [2024-11-24 18:09:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:09:50,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:50,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:09:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:50,272 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:50,397 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:09:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:09:50,498 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 92 iterations. [2024-11-24 18:09:50,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:09:50 ImpRootNode [2024-11-24 18:09:50,546 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:09:50,547 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:09:50,547 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:09:50,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:09:50,548 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:38" (3/4) ... [2024-11-24 18:09:50,549 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:09:50,550 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:09:50,551 INFO L158 Benchmark]: Toolchain (without parser) took 194238.61ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 104.9MB in the beginning and 560.4MB in the end (delta: -455.5MB). Peak memory consumption was 753.7MB. Max. memory is 16.1GB. [2024-11-24 18:09:50,551 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:50,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.32ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 87.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:09:50,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.33ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:50,552 INFO L158 Benchmark]: Boogie Preprocessor took 49.48ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:50,552 INFO L158 Benchmark]: RCFGBuilder took 1056.72ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 49.5MB in the end (delta: 33.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:09:50,552 INFO L158 Benchmark]: CodeCheck took 192450.49ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 49.5MB in the beginning and 560.8MB in the end (delta: -511.3MB). Peak memory consumption was 695.0MB. Max. memory is 16.1GB. [2024-11-24 18:09:50,552 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 1.4GB. Free memory was 560.8MB in the beginning and 560.4MB in the end (delta: 414.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:09:50,554 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, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 192.4s, OverallIterations: 92, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22420 SdHoareTripleChecker+Valid, 110.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16496 mSDsluCounter, 16629 SdHoareTripleChecker+Invalid, 95.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13280 mSDsCounter, 14437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56257 IncrementalHoareTripleChecker+Invalid, 70694 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14437 mSolverCounterUnsat, 3349 mSDtfsCounter, 56257 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13133 GetRequests, 12012 SyntacticMatches, 283 SemanticMatches, 838 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324142 ImplicationChecksByTransitivity, 178.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 1690 NumberOfCodeBlocks, 1690 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 1570 ConstructedInterpolants, 0 QuantifiedInterpolants, 7366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 83 PerfectInterpolantSequences, 53/64 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={-2:0}] [L1000] null->prev = ((void*)0) VAL [null={-2:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={-1:0}, null={-2:0}] [L1005] list->prev = null VAL [list={-1:0}, null={-2:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1041] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1042] COND FALSE !(0) VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1043] COND TRUE null != end VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] EXPR end->colour VAL [end={-1:0}, list={-1:0}, null={-2:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={-1:0}, null={-2:0}] [L1056] COND TRUE null != list VAL [list={-1:0}, null={-2:0}] [L1058] EXPR list->colour VAL [list={-1:0}, null={-2:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) VAL [end={-2:0}, null={-2:0}] [L1068] free(list) [L1069] list = end VAL [list={-2:0}, null={-2:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.32ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 87.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.33ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 85.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.48ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1056.72ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 49.5MB in the end (delta: 33.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 192450.49ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 49.5MB in the beginning and 560.8MB in the end (delta: -511.3MB). Peak memory consumption was 695.0MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 1.4GB. Free memory was 560.8MB in the beginning and 560.4MB in the end (delta: 414.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:09:50,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3 --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 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:09:53,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:09:53,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-11-24 18:09:53,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:09:53,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:09:53,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:09:53,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:09:53,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:09:53,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:09:53,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:09:53,412 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:09:53,412 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 18:09:53,413 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 18:09:53,413 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 18:09:53,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:09:53,413 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:09:53,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:09:53,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:09:53,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:09:53,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:09:53,415 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:53,415 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:09:53,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:09:53,415 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:53,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:09:53,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:09:53,416 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:09:53,417 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:53,417 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:09:53,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 503e46fe74670dc8b1fd2e8b2c5a408fc01c83cb421ff9aefb8796417315d291 [2024-11-24 18:09:53,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:09:53,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:09:53,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:09:53,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:09:53,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:09:53,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-24 18:09:56,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/6b0657442/05173d3bb0ad41d188e8f6f9e854d0a6/FLAG9dd0e05ff [2024-11-24 18:09:57,080 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:09:57,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/sv-benchmarks/c/forester-heap/dll-rb-sentinel-1.i [2024-11-24 18:09:57,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/6b0657442/05173d3bb0ad41d188e8f6f9e854d0a6/FLAG9dd0e05ff [2024-11-24 18:09:57,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/data/6b0657442/05173d3bb0ad41d188e8f6f9e854d0a6 [2024-11-24 18:09:57,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:09:57,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:09:57,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:57,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:09:57,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:09:57,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21037546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57, skipping insertion in model container [2024-11-24 18:09:57,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:09:57,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:57,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:09:57,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:09:57,718 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:09:57,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57 WrapperNode [2024-11-24 18:09:57,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:09:57,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:57,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:09:57,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:09:57,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,784 INFO L138 Inliner]: procedures = 122, calls = 50, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 169 [2024-11-24 18:09:57,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:09:57,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:09:57,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:09:57,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:09:57,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:09:57,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:09:57,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:09:57,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:09:57,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:09:57" (1/1) ... [2024-11-24 18:09:57,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:09:57,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:09:57,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:09:57,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:09:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:09:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:09:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:09:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 18:09:57,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 18:09:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:09:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:09:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:09:57,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:09:57,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:09:58,041 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:09:58,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:09:58,797 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-24 18:09:58,798 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:09:58,887 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:09:58,887 INFO L312 CfgBuilder]: Removed 10 assume(true) statements. [2024-11-24 18:09:58,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:58 BoogieIcfgContainer [2024-11-24 18:09:58,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:09:58,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:09:58,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:09:58,899 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:09:58,899 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:58" (1/1) ... [2024-11-24 18:09:58,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:09:58,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 162 states and 196 transitions. [2024-11-24 18:09:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 196 transitions. [2024-11-24 18:09:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:09:58,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:58,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:58,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:58,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:09:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:09:59,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:59,170 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 [2024-11-24 18:09:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:59,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:09:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 161 states and 195 transitions. [2024-11-24 18:09:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 195 transitions. [2024-11-24 18:09:59,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-24 18:09:59,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:59,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:59,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:59,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:59,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:09:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:09:59,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:59,378 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 [2024-11-24 18:09:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:59,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:09:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 160 states and 194 transitions. [2024-11-24 18:09:59,538 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2024-11-24 18:09:59,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:09:59,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:59,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:59,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:59,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:59,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:09:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:09:59,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:59,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 18:09:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 159 states and 193 transitions. [2024-11-24 18:09:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-24 18:09:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:09:59,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:59,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:59,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:59,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:59,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:09:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:09:59,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:59,827 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 [2024-11-24 18:09:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:59,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:59,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 158 states and 192 transitions. [2024-11-24 18:09:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 192 transitions. [2024-11-24 18:09:59,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:09:59,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:59,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:59,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:59,892 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:59,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:09:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:59,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:00,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:00,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:00,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:10:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 157 states and 191 transitions. [2024-11-24 18:10:00,066 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 191 transitions. [2024-11-24 18:10:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:10:00,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:00,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:00,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:00,069 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:00,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:10:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:00,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:00,227 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 [2024-11-24 18:10:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:00,258 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:10:00,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-24 18:10:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:00,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 156 states and 190 transitions. [2024-11-24 18:10:00,311 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-24 18:10:00,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:10:00,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:00,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:00,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:00,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:00,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:10:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:00,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:00,491 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 [2024-11-24 18:10:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:00,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 155 states and 189 transitions. [2024-11-24 18:10:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 189 transitions. [2024-11-24 18:10:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:10:00,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:00,582 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:00,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:10:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:00,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:00,771 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 [2024-11-24 18:10:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:00,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 18:10:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 154 states and 188 transitions. [2024-11-24 18:10:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 188 transitions. [2024-11-24 18:10:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:10:01,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:01,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:01,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:10:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,146 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:01,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:01,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 153 states and 187 transitions. [2024-11-24 18:10:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-24 18:10:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:10:01,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:01,238 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:01,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:10:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:01,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:01,428 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 [2024-11-24 18:10:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:01,444 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:10:01,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-24 18:10:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 152 states and 186 transitions. [2024-11-24 18:10:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 186 transitions. [2024-11-24 18:10:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:10:01,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:01,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:10:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:01,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:01,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:10:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 151 states and 185 transitions. [2024-11-24 18:10:01,726 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-24 18:10:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:10:01,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:01,729 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:01,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:10:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:01,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:01,953 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 [2024-11-24 18:10:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:01,984 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:10:01,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 150 states and 184 transitions. [2024-11-24 18:10:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-11-24 18:10:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:10:02,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:02,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:02,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:02,038 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:02,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 18:10:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:02,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:02,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:02,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:02,402 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-24 18:10:02,403 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 [2024-11-24 18:10:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:02,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 153 states and 188 transitions. [2024-11-24 18:10:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 188 transitions. [2024-11-24 18:10:02,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:10:02,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:02,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:02,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:02,499 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:02,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 18:10:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:02,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:02,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 18:10:02,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:02,804 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 [2024-11-24 18:10:02,812 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 [2024-11-24 18:10:02,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 18:10:02,961 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 [2024-11-24 18:10:02,985 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:02,985 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 [2024-11-24 18:10:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:03,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-24 18:10:03,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 156 states and 194 transitions. [2024-11-24 18:10:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 194 transitions. [2024-11-24 18:10:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:10:03,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:03,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:03,319 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:03,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 18:10:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:03,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:03,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:03,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:03,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:03,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-24 18:10:03,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:03,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 155 states and 193 transitions. [2024-11-24 18:10:03,575 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2024-11-24 18:10:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:10:03,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:03,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:03,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:03,578 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:03,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 18:10:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:03,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:03,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:03,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:03,918 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:10:03,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 192 transitions. [2024-11-24 18:10:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 192 transitions. [2024-11-24 18:10:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:10:04,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:04,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:04,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:04,371 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-24 18:10:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:04,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:04,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:10:04,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:04,648 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 [2024-11-24 18:10:04,706 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 [2024-11-24 18:10:04,767 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 [2024-11-24 18:10:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:04,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-24 18:10:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:05,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 156 states and 195 transitions. [2024-11-24 18:10:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 195 transitions. [2024-11-24 18:10:05,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:10:05,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:05,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:05,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:05,656 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:05,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 18:10:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:10:05,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:05,924 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 [2024-11-24 18:10:06,024 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 [2024-11-24 18:10:06,029 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 [2024-11-24 18:10:06,149 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 [2024-11-24 18:10:06,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:06,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 18:10:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 158 states and 198 transitions. [2024-11-24 18:10:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 198 transitions. [2024-11-24 18:10:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:10:08,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:08,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:08,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:08,058 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:08,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-24 18:10:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:08,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:08,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:10:08,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:08,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-24 18:10:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:08,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 158 states and 194 transitions. [2024-11-24 18:10:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 194 transitions. [2024-11-24 18:10:08,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:10:08,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:08,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:08,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:08,310 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:08,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 18:10:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:08,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:08,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:08,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:08,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-24 18:10:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 159 states and 196 transitions. [2024-11-24 18:10:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 196 transitions. [2024-11-24 18:10:08,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:10:08,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:08,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:08,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:08,979 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:08,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 18:10:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:09,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:09,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:09,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:09,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:09,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-24 18:10:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:09,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 160 states and 197 transitions. [2024-11-24 18:10:09,949 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 197 transitions. [2024-11-24 18:10:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:10:09,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:09,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:09,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:09,952 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:09,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 18:10:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:10,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:10,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:10,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:10,230 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:10,231 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 [2024-11-24 18:10:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:10,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-24 18:10:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 163 states and 202 transitions. [2024-11-24 18:10:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 202 transitions. [2024-11-24 18:10:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:10:11,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:11,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:11,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:11,648 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:11,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 18:10:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:11,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:11,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:11,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:11,931 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 [2024-11-24 18:10:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:11,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 18:10:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 169 states and 213 transitions. [2024-11-24 18:10:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 213 transitions. [2024-11-24 18:10:13,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:10:13,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:13,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:13,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:13,057 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:13,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 18:10:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:13,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:13,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:10:13,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:13,335 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 [2024-11-24 18:10:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:13,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-24 18:10:14,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 175 states and 224 transitions. [2024-11-24 18:10:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 224 transitions. [2024-11-24 18:10:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:10:14,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:14,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:14,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:14,693 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:14,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-24 18:10:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:14,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:15,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:10:15,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:15,085 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-24 18:10:15,085 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 [2024-11-24 18:10:15,269 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 [2024-11-24 18:10:15,640 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:10:15,641 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 [2024-11-24 18:10:15,666 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 [2024-11-24 18:10:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:15,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:20,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 234 transitions. [2024-11-24 18:10:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 234 transitions. [2024-11-24 18:10:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:10:20,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:20,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:20,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:20,511 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-24 18:10:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:20,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:20,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 18:10:20,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:20,938 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:20,939 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 [2024-11-24 18:10:20,948 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 [2024-11-24 18:10:21,150 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 [2024-11-24 18:10:21,158 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 [2024-11-24 18:10:21,643 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:10:21,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-11-24 18:10:21,654 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 [2024-11-24 18:10:21,674 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 [2024-11-24 18:10:21,683 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 [2024-11-24 18:10:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:21,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-24 18:10:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 182 states and 239 transitions. [2024-11-24 18:10:24,986 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2024-11-24 18:10:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:10:24,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:24,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:24,988 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-24 18:10:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:25,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:25,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:25,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:25,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-24 18:10:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 181 states and 238 transitions. [2024-11-24 18:10:25,368 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 238 transitions. [2024-11-24 18:10:25,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:10:25,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:25,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:25,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:25,372 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:25,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 18:10:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:25,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:25,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:10:25,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:25,830 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 [2024-11-24 18:10:25,851 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 [2024-11-24 18:10:25,864 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:25,864 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 [2024-11-24 18:10:25,881 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 [2024-11-24 18:10:25,887 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 11 treesize of output 7 [2024-11-24 18:10:25,930 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:10:25,931 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 [2024-11-24 18:10:25,942 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 [2024-11-24 18:10:25,957 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 [2024-11-24 18:10:25,964 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 [2024-11-24 18:10:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:25,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2024-11-24 18:10:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2024-11-24 18:10:26,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:10:26,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:26,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:26,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:26,051 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:26,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 18:10:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:26,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:26,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:26,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:26,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-24 18:10:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 182 states and 241 transitions. [2024-11-24 18:10:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2024-11-24 18:10:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:10:26,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:26,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:26,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:26,421 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:26,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-24 18:10:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:26,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:26,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 18:10:26,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:26,913 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 [2024-11-24 18:10:26,927 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:26,927 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 [2024-11-24 18:10:26,942 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 [2024-11-24 18:10:26,951 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 [2024-11-24 18:10:26,987 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:10:26,987 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 [2024-11-24 18:10:26,994 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 [2024-11-24 18:10:27,014 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 [2024-11-24 18:10:27,022 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 [2024-11-24 18:10:27,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:27,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-24 18:10:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 183 states and 242 transitions. [2024-11-24 18:10:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 242 transitions. [2024-11-24 18:10:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:10:27,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:27,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:27,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:27,091 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:27,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-24 18:10:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:27,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:27,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:10:27,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:27,638 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 [2024-11-24 18:10:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:28,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-24 18:10:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-11-24 18:10:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-11-24 18:10:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:32,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:32,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:32,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:32,021 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:32,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-24 18:10:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:32,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:32,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:32,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:32,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-24 18:10:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:32,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 188 states and 248 transitions. [2024-11-24 18:10:32,426 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2024-11-24 18:10:32,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:32,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:32,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:32,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:32,430 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:32,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-24 18:10:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:32,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:32,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:32,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:33,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-24 18:10:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:34,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-11-24 18:10:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-11-24 18:10:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:34,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:34,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:34,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:34,953 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:34,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-24 18:10:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:35,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:35,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:35,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:35,515 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-11-24 18:10:35,516 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 [2024-11-24 18:10:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:35,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-24 18:10:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2024-11-24 18:10:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2024-11-24 18:10:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:35,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:35,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:35,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:35,586 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:35,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-24 18:10:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:36,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:36,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:10:36,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:36,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 18:10:36,328 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 16 treesize of output 11 [2024-11-24 18:10:36,353 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:10:36,353 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 [2024-11-24 18:10:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:36,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-24 18:10:36,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 187 states and 247 transitions. [2024-11-24 18:10:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 247 transitions. [2024-11-24 18:10:36,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:36,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:36,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:36,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:36,433 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:36,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-24 18:10:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:36,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:36,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:36,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:36,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:36,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-24 18:10:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 189 states and 251 transitions. [2024-11-24 18:10:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 251 transitions. [2024-11-24 18:10:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:10:37,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:37,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:37,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:37,537 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:37,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-24 18:10:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:37,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:37,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:37,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:37,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-24 18:10:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:39,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 191 states and 254 transitions. [2024-11-24 18:10:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 254 transitions. [2024-11-24 18:10:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:10:39,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:39,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:39,429 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:39,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-24 18:10:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:39,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:39,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:39,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:39,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-24 18:10:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:39,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 190 states and 253 transitions. [2024-11-24 18:10:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 253 transitions. [2024-11-24 18:10:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:10:39,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:39,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:39,921 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:39,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-24 18:10:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:40,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:40,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:40,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:40,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-24 18:10:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:41,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 189 states and 252 transitions. [2024-11-24 18:10:41,120 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 252 transitions. [2024-11-24 18:10:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:10:41,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:41,125 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:41,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-24 18:10:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:41,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:41,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:41,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:41,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-24 18:10:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 192 states and 256 transitions. [2024-11-24 18:10:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 256 transitions. [2024-11-24 18:10:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:45,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:45,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:45,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:45,904 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:45,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-24 18:10:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:46,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:46,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:10:46,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:46,425 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 [2024-11-24 18:10:46,679 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 [2024-11-24 18:10:46,685 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 [2024-11-24 18:10:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:46,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-24 18:10:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:48,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-11-24 18:10:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-11-24 18:10:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:48,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:48,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:48,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:48,819 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:48,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-24 18:10:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:49,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:49,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:10:49,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:49,374 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 [2024-11-24 18:10:49,664 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 [2024-11-24 18:10:49,676 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 [2024-11-24 18:10:49,696 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 [2024-11-24 18:10:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:50,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-24 18:10:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2024-11-24 18:10:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2024-11-24 18:10:53,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:53,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:53,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:53,149 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:53,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-24 18:10:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:53,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:53,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:53,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:53,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:53,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-24 18:10:53,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2024-11-24 18:10:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2024-11-24 18:10:53,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:53,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:53,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:53,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:53,699 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:53,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-24 18:10:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:54,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:54,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:10:54,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:54,204 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 [2024-11-24 18:10:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:54,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-24 18:10:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 197 states and 268 transitions. [2024-11-24 18:10:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 268 transitions. [2024-11-24 18:10:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:57,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:57,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:57,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:57,828 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:57,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-24 18:10:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:58,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:58,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-24 18:10:58,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 196 states and 267 transitions. [2024-11-24 18:10:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 267 transitions. [2024-11-24 18:10:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:10:58,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:58,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:58,345 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:58,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-24 18:10:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:58,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:58,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:59,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:10:59,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 199 states and 272 transitions. [2024-11-24 18:11:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 272 transitions. [2024-11-24 18:11:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:11:04,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:04,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:04,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:04,009 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:04,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-24 18:11:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:04,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:04,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:04,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:11:04,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:04,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-24 18:11:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-11-24 18:11:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-11-24 18:11:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:11:04,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:04,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:04,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:04,578 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:04,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-24 18:11:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:05,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:05,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:11:05,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:05,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-24 18:11:08,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 202 states and 274 transitions. [2024-11-24 18:11:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 274 transitions. [2024-11-24 18:11:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:11:08,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:08,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:08,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:08,347 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:08,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-24 18:11:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:08,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:08,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:11:08,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:08,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 18:11:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:09,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-24 18:11:12,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:12,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 201 states and 271 transitions. [2024-11-24 18:11:12,923 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 271 transitions. [2024-11-24 18:11:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:11:12,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:12,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:12,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:12,925 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:12,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-24 18:11:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:13,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:13,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:11:13,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:13,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-24 18:11:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 200 states and 270 transitions. [2024-11-24 18:11:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 270 transitions. [2024-11-24 18:11:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:11:14,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:14,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:14,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:14,568 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:14,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-24 18:11:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:15,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:15,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:11:15,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:15,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-24 18:11:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 199 states and 269 transitions. [2024-11-24 18:11:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2024-11-24 18:11:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:11:17,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:17,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:17,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:17,210 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:17,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-24 18:11:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:17,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:17,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 18:11:17,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:18,016 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-11-24 18:11:18,017 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 [2024-11-24 18:11:18,502 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 [2024-11-24 18:11:18,972 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:11:18,973 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 [2024-11-24 18:11:18,989 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 [2024-11-24 18:11:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:19,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-24 18:11:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 198 states and 268 transitions. [2024-11-24 18:11:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 268 transitions. [2024-11-24 18:11:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:11:24,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:24,178 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:24,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-24 18:11:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:24,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:24,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 18:11:24,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:24,975 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:11:24,975 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 [2024-11-24 18:11:24,982 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 [2024-11-24 18:11:25,415 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 [2024-11-24 18:11:25,424 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 [2024-11-24 18:11:25,989 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:11:25,989 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 [2024-11-24 18:11:26,000 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 [2024-11-24 18:11:26,011 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 [2024-11-24 18:11:26,021 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 [2024-11-24 18:11:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:26,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-24 18:11:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 197 states and 267 transitions. [2024-11-24 18:11:29,246 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 267 transitions. [2024-11-24 18:11:29,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:11:29,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:29,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:29,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:29,248 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:29,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-24 18:11:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:29,851 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:29,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:11:29,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:30,652 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 [2024-11-24 18:11:30,659 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 [2024-11-24 18:11:31,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-24 18:11:31,202 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 23 treesize of output 11 [2024-11-24 18:11:31,746 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 23 treesize of output 11 [2024-11-24 18:11:31,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-24 18:11:32,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-24 18:11:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:11:32,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-24 18:11:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 210 states and 292 transitions. [2024-11-24 18:11:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 292 transitions. [2024-11-24 18:11:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 18:11:59,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:59,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:59,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:59,007 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:59,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-24 18:11:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:59,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:59,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 18:11:59,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:59,750 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 [2024-11-24 18:11:59,766 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 [2024-11-24 18:11:59,783 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 23 treesize of output 11 [2024-11-24 18:11:59,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-24 18:11:59,823 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 23 treesize of output 11 [2024-11-24 18:11:59,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-24 18:12:00,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-24 18:12:00,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:00,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-24 18:12:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 295 transitions. [2024-11-24 18:12:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2024-11-24 18:12:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:02,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:02,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:02,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:02,638 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:02,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-24 18:12:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:03,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:03,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:12:03,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:03,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-24 18:12:03,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:03,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 210 states and 294 transitions. [2024-11-24 18:12:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 294 transitions. [2024-11-24 18:12:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:03,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:03,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:03,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:03,449 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:03,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-24 18:12:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:04,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:04,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 18:12:04,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:04,482 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 [2024-11-24 18:12:04,504 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:12:04,505 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 [2024-11-24 18:12:04,540 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 [2024-11-24 18:12:04,553 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 [2024-11-24 18:12:04,615 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:12:04,615 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 [2024-11-24 18:12:04,626 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 [2024-11-24 18:12:04,652 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 [2024-11-24 18:12:04,668 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 [2024-11-24 18:12:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:12:04,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-24 18:12:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:04,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 209 states and 292 transitions. [2024-11-24 18:12:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2024-11-24 18:12:04,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:04,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:04,835 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:04,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-24 18:12:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:05,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:05,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:12:05,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:05,683 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 [2024-11-24 18:12:05,714 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:12:05,714 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 [2024-11-24 18:12:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:12:05,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-24 18:12:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:19,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2024-11-24 18:12:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2024-11-24 18:12:19,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:19,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:19,851 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:19,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-24 18:12:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:20,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:20,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:12:20,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:12:20,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-24 18:12:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:33,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 222 states and 335 transitions. [2024-11-24 18:12:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 335 transitions. [2024-11-24 18:12:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:33,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:33,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:33,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:33,785 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:33,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-24 18:12:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:34,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:34,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:12:34,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:34,477 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:12:34,477 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 [2024-11-24 18:12:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:12:34,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-24 18:12:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 223 states and 337 transitions. [2024-11-24 18:12:36,055 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 337 transitions. [2024-11-24 18:12:36,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:12:36,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:36,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:36,057 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:36,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-24 18:12:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:36,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:12:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:12:36,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:12:36,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:12:37,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:12:37,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-24 18:13:01,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:01,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 230 states and 361 transitions. [2024-11-24 18:13:01,278 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 361 transitions. [2024-11-24 18:13:01,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:13:01,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:01,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:01,280 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-24 18:13:01,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:01,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:01,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:13:01,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:02,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 231 states and 363 transitions. [2024-11-24 18:13:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 363 transitions. [2024-11-24 18:13:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:13:03,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:03,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:03,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:03,846 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-24 18:13:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:04,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:04,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:13:04,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:04,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:06,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:06,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 232 states and 365 transitions. [2024-11-24 18:13:06,120 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 365 transitions. [2024-11-24 18:13:06,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:13:06,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:06,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:06,122 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:06,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-24 18:13:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:06,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:06,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:13:06,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:06,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 233 states and 368 transitions. [2024-11-24 18:13:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 368 transitions. [2024-11-24 18:13:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:13:10,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:10,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:10,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:10,128 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:10,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-24 18:13:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:10,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:10,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:13:10,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:10,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:10,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 234 states and 370 transitions. [2024-11-24 18:13:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 370 transitions. [2024-11-24 18:13:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 18:13:13,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:13,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:13,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:13,367 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:13,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-24 18:13:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:14,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:14,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:13:14,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:14,223 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 [2024-11-24 18:13:14,230 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 [2024-11-24 18:13:14,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-24 18:13:14,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-24 18:13:14,901 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 15 treesize of output 7 [2024-11-24 18:13:14,905 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 15 treesize of output 7 [2024-11-24 18:13:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:13:15,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-24 18:13:26,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:26,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 238 states and 373 transitions. [2024-11-24 18:13:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 373 transitions. [2024-11-24 18:13:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:13:26,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:26,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:26,785 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:26,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-24 18:13:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:27,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:27,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:13:27,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:27,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:27,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-24 18:13:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:13:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 237 states and 372 transitions. [2024-11-24 18:13:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 372 transitions. [2024-11-24 18:13:27,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:13:27,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:13:27,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:13:27,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:13:27,580 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:13:27,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-24 18:13:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:28,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:13:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:13:28,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:13:28,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:13:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:13:29,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-24 18:14:17,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 246 states and 397 transitions. [2024-11-24 18:14:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 397 transitions. [2024-11-24 18:14:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:14:17,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:17,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:17,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:17,931 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:17,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-24 18:14:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:18,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:18,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:14:18,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:14:18,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-24 18:14:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 245 states and 396 transitions. [2024-11-24 18:14:18,785 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 396 transitions. [2024-11-24 18:14:18,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:14:18,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:18,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:18,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:18,789 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:18,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-24 18:14:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:19,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:19,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:14:19,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:14:19,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-24 18:14:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 246 states and 398 transitions. [2024-11-24 18:14:23,036 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 398 transitions. [2024-11-24 18:14:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:14:23,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:23,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:23,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:23,038 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:23,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-24 18:14:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:23,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:23,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:14:23,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:23,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:14:23,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-24 18:14:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:23,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 247 states and 398 transitions. [2024-11-24 18:14:23,999 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 398 transitions. [2024-11-24 18:14:23,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 18:14:23,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:23,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:23,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:24,002 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:24,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-24 18:14:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:24,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:24,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:14:24,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:14:24,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-24 18:14:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:14:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 248 states and 400 transitions. [2024-11-24 18:14:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 400 transitions. [2024-11-24 18:14:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:14:29,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:14:29,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:14:29,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:14:29,847 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:14:29,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-24 18:14:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:30,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:14:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:14:30,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:14:30,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:14:30,769 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 [2024-11-24 18:14:30,803 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-24 18:14:30,803 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 16 treesize of output 17 [2024-11-24 18:14:33,139 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-11-24 18:14:33,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-11-24 18:14:33,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-24 18:14:35,445 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-24 18:14:35,445 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 33 treesize of output 32 [2024-11-24 18:14:35,459 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 24 treesize of output 12 [2024-11-24 18:14:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:14:35,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-24 18:15:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:15:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 263 states and 428 transitions. [2024-11-24 18:15:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 428 transitions. [2024-11-24 18:15:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:15:22,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:15:22,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:15:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:15:22,968 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:15:22,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-24 18:15:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:23,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:15:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:15:23,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:15:23,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:15:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:15:24,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-24 18:16:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 273 states and 453 transitions. [2024-11-24 18:16:02,717 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 453 transitions. [2024-11-24 18:16:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:16:02,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:02,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:02,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:02,720 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:02,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-24 18:16:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:03,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:03,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:16:03,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:16:03,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-24 18:16:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:07,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 276 states and 457 transitions. [2024-11-24 18:16:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 457 transitions. [2024-11-24 18:16:07,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:16:07,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:07,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:07,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:07,880 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:07,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-24 18:16:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:08,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:08,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:16:08,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:08,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:16:08,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-24 18:16:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:16:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 277 states and 459 transitions. [2024-11-24 18:16:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 459 transitions. [2024-11-24 18:16:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:16:11,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:16:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:16:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:16:11,900 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:16:11,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-24 18:16:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:12,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:16:12,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:16:12,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:16:12,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:16:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:16:13,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-24 18:17:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 296 states and 498 transitions. [2024-11-24 18:17:03,553 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 498 transitions. [2024-11-24 18:17:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:17:03,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:03,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:03,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:03,556 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-24 18:17:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:04,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:04,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:17:04,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:17:04,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-24 18:17:08,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 300 states and 503 transitions. [2024-11-24 18:17:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 503 transitions. [2024-11-24 18:17:08,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:17:08,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:08,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:08,359 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:08,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-24 18:17:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:09,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:09,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:17:09,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:17:09,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-24 18:17:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2024-11-24 18:17:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2024-11-24 18:17:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:17:11,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:11,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:11,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:11,897 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:11,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-24 18:17:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:12,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:12,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:17:12,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 18:17:14,328 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 23 treesize of output 16 [2024-11-24 18:17:14,351 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:17:14,351 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 [2024-11-24 18:17:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:17:15,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-24 18:17:37,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:37,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 303 states and 512 transitions. [2024-11-24 18:17:37,222 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 512 transitions. [2024-11-24 18:17:37,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:17:37,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:37,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:37,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:37,224 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:37,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-24 18:17:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:38,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:38,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:17:38,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 18:17:38,444 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 16 treesize of output 11 [2024-11-24 18:17:38,457 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-11-24 18:17:38,457 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 [2024-11-24 18:17:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:17:38,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-24 18:17:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 306 states and 523 transitions. [2024-11-24 18:17:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 523 transitions. [2024-11-24 18:17:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:17:42,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:42,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:42,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:42,127 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:42,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-24 18:17:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:42,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:42,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:17:42,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:17:43,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-24 18:17:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:49,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 305 states and 522 transitions. [2024-11-24 18:17:49,202 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 522 transitions. [2024-11-24 18:17:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 18:17:49,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:49,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:49,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:49,209 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:49,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-24 18:17:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:50,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:50,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:17:50,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:50,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:17:50,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-24 18:17:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 304 states and 521 transitions. [2024-11-24 18:17:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 521 transitions. [2024-11-24 18:17:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:17:50,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:50,237 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-24 18:17:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:51,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:51,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:17:51,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:51,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 18:17:53,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:17:53,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-24 18:18:36,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:36,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 312 states and 544 transitions. [2024-11-24 18:18:36,668 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 544 transitions. [2024-11-24 18:18:36,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:18:36,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:36,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:36,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:36,671 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:36,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-24 18:18:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:37,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:37,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:18:37,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:37,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 18:18:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:18:37,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-24 18:18:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 313 states and 546 transitions. [2024-11-24 18:18:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 546 transitions. [2024-11-24 18:18:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:18:40,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:40,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:40,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:40,526 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:40,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-24 18:18:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:41,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:41,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:18:41,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:41,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-24 18:18:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:18:41,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-24 18:18:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 314 states and 549 transitions. [2024-11-24 18:18:46,794 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 549 transitions. [2024-11-24 18:18:46,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:18:46,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:46,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:46,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:46,797 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:46,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-24 18:18:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:47,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:47,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:18:47,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:47,767 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 [2024-11-24 18:18:47,777 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 [2024-11-24 18:18:47,787 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 [2024-11-24 18:18:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:18:47,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-24 18:18:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:52,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 314 states and 548 transitions. [2024-11-24 18:18:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 548 transitions. [2024-11-24 18:18:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:18:52,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:52,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:52,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:52,072 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:52,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-24 18:18:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:53,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:53,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:53,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:53,074 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 [2024-11-24 18:18:53,086 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 [2024-11-24 18:18:53,094 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 [2024-11-24 18:18:53,110 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 [2024-11-24 18:18:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:18:53,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:57,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 314 states and 547 transitions. [2024-11-24 18:18:57,813 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 547 transitions. [2024-11-24 18:18:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:18:57,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:57,815 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-24 18:18:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:58,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:58,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:58,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:58,819 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 [2024-11-24 18:18:58,829 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 [2024-11-24 18:18:58,840 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 [2024-11-24 18:18:58,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-24 18:18:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:18:58,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-24 18:19:03,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 308 states and 535 transitions. [2024-11-24 18:19:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 535 transitions. [2024-11-24 18:19:03,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:19:03,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:03,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:03,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:03,366 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:03,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-24 18:19:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:04,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:04,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:19:04,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:04,431 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 [2024-11-24 18:19:04,442 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 [2024-11-24 18:19:04,453 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 [2024-11-24 18:19:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:19:04,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 304 states and 531 transitions. [2024-11-24 18:19:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 531 transitions. [2024-11-24 18:19:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:19:08,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:08,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:08,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:08,775 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:08,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-24 18:19:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:09,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:09,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:09,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:09,973 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 [2024-11-24 18:19:09,979 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 [2024-11-24 18:19:09,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-24 18:19:09,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-24 18:19:10,027 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 15 treesize of output 7 [2024-11-24 18:19:10,029 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 15 treesize of output 7 [2024-11-24 18:19:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:10,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-24 18:19:10,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 304 states and 530 transitions. [2024-11-24 18:19:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 530 transitions. [2024-11-24 18:19:10,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 18:19:10,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:10,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:10,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:10,102 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:10,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-24 18:19:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:11,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:12,771 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:19:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:19:14,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-24 18:19:14,523 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 92 iterations. [2024-11-24 18:19:14,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:19:14 ImpRootNode [2024-11-24 18:19:14,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:19:14,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:19:14,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:19:14,571 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:19:14,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:09:58" (3/4) ... [2024-11-24 18:19:14,575 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:19:14,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:19:14,579 INFO L158 Benchmark]: Toolchain (without parser) took 557452.98ms. Allocated memory was 83.9MB in the beginning and 419.4MB in the end (delta: 335.5MB). Free memory was 60.0MB in the beginning and 102.6MB in the end (delta: -42.6MB). Peak memory consumption was 292.6MB. Max. memory is 16.1GB. [2024-11-24 18:19:14,579 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:14,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.01ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:19:14,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.66ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 39.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:14,581 INFO L158 Benchmark]: Boogie Preprocessor took 57.70ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:19:14,581 INFO L158 Benchmark]: RCFGBuilder took 1042.12ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 30.2MB in the end (delta: 7.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-11-24 18:19:14,582 INFO L158 Benchmark]: CodeCheck took 555679.89ms. Allocated memory was 83.9MB in the beginning and 419.4MB in the end (delta: 335.5MB). Free memory was 30.2MB in the beginning and 102.7MB in the end (delta: -72.4MB). Peak memory consumption was 262.8MB. Max. memory is 16.1GB. [2024-11-24 18:19:14,582 INFO L158 Benchmark]: Witness Printer took 9.81ms. Allocated memory is still 419.4MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:19:14,583 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, 162 locations, 77 error locations. Started 1 CEGAR loops. OverallTime: 555.6s, OverallIterations: 92, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22078 SdHoareTripleChecker+Valid, 230.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16250 mSDsluCounter, 16753 SdHoareTripleChecker+Invalid, 203.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13494 mSDsCounter, 14232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55252 IncrementalHoareTripleChecker+Invalid, 69484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14232 mSolverCounterUnsat, 3259 mSDtfsCounter, 55252 mSolverCounterSat, 1.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14168 GetRequests, 13174 SyntacticMatches, 200 SemanticMatches, 794 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286333 ImplicationChecksByTransitivity, 484.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 1.0s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 31.5s InterpolantComputationTime, 1690 NumberOfCodeBlocks, 1690 NumberOfCodeBlocksAsserted, 92 NumberOfCheckSat, 1570 ConstructedInterpolants, 2 QuantifiedInterpolants, 8731 SizeOfPredicates, 97 NumberOfNonLiveVariables, 13729 ConjunctsInSsa, 492 ConjunctsInUnsatCore, 91 InterpolantComputations, 89 PerfectInterpolantSequences, 53/55 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 996]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 996. Possible FailurePath: [L998] struct TSLL* null = malloc(sizeof(struct TSLL)); [L999] null->next = ((void*)0) VAL [null={3:0}] [L1000] null->prev = ((void*)0) VAL [null={3:0}] [L1001] null->colour = BLACK [L1003] struct TSLL* list = malloc(sizeof(struct TSLL)); [L1004] list->next = null VAL [list={32:0}, null={3:0}] [L1005] list->prev = null VAL [list={32:0}, null={3:0}] [L1006] list->colour = BLACK [L1008] struct TSLL* end = list; VAL [end={32:0}, list={32:0}, null={3:0}] [L1011] COND FALSE !(__VERIFIER_nondet_int()) [L1037] end = null [L1038] end = list VAL [end={32:0}, list={32:0}, null={3:0}] [L1041] COND FALSE !(!(null != end)) VAL [end={32:0}, list={32:0}, null={3:0}] [L1041] COND FALSE !(0) VAL [end={32:0}, list={32:0}, null={3:0}] [L1042] EXPR end->colour VAL [end={32:0}, list={32:0}, null={3:0}] [L1042] COND FALSE !(!(BLACK == end->colour)) [L1042] COND FALSE !(0) VAL [end={32:0}, list={32:0}, null={3:0}] [L1043] COND TRUE null != end VAL [end={32:0}, list={32:0}, null={3:0}] [L1045] EXPR end->colour VAL [end={32:0}, list={32:0}, null={3:0}] [L1045] COND FALSE !(RED == end->colour) [L1052] EXPR end->next [L1052] end = end->next [L1043] COND FALSE !(null != end) VAL [list={32:0}, null={3:0}] [L1056] COND TRUE null != list VAL [list={32:0}, null={3:0}] [L1058] EXPR list->colour VAL [list={32:0}, null={3:0}] [L1058] COND FALSE !(RED == list->colour) [L1067] EXPR list->next [L1067] end = list->next [L1068] free(list) VAL [end={3:0}, null={3:0}] [L1068] free(list) VAL [end={3:0}, null={3:0}] [L1068] free(list) [L1069] list = end VAL [list={3:0}, null={3:0}] [L1056] COND FALSE !(null != list) [L1073] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.01ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.66ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 39.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.70ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 37.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1042.12ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 30.2MB in the end (delta: 7.1MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * CodeCheck took 555679.89ms. Allocated memory was 83.9MB in the beginning and 419.4MB in the end (delta: 335.5MB). Free memory was 30.2MB in the beginning and 102.7MB in the end (delta: -72.4MB). Peak memory consumption was 262.8MB. Max. memory is 16.1GB. * Witness Printer took 9.81ms. Allocated memory is still 419.4MB. Free memory was 102.7MB in the beginning and 102.6MB in the end (delta: 52.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:19:14,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0c1cde1-2b68-439a-8179-67755cf8d84f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample