./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:14:56,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:14:57,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:14:57,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:14:57,072 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:14:57,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:14:57,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:14:57,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:14:57,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:14:57,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:14:57,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:14:57,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:14:57,097 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:14:57,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:14:57,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:14:57,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:14:57,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:14:57,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:14:57,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:14:57,100 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:14:57,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:14:57,101 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:14:57,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:14:57,102 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:14:57,103 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:14:57,103 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:14:57,104 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:14:57,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:14:57,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:14:57,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:14:57,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:14:57,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:14:57,106 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:14:57,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:14:57,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:14:57,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2023-12-03 03:14:57,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:14:57,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:14:57,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:14:57,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:14:57,354 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:14:57,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-12-03 03:15:00,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:15:00,682 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:15:00,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-12-03 03:15:00,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/91855fa28/6bb0d731ca1c42539990c1c400060dd0/FLAG4f358176b [2023-12-03 03:15:00,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/91855fa28/6bb0d731ca1c42539990c1c400060dd0 [2023-12-03 03:15:00,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:15:00,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:15:00,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:15:00,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:15:00,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:15:00,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:15:00" (1/1) ... [2023-12-03 03:15:00,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9626e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:00, skipping insertion in model container [2023-12-03 03:15:00,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:15:00" (1/1) ... [2023-12-03 03:15:01,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:15:01,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:15:01,558 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:15:01,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:15:01,757 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:15:01,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01 WrapperNode [2023-12-03 03:15:01,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:15:01,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:15:01,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:15:01,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:15:01,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,866 INFO L138 Inliner]: procedures = 177, calls = 350, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1504 [2023-12-03 03:15:01,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:15:01,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:15:01,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:15:01,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:15:01,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:01,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:15:01,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:15:01,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:15:01,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:15:01,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:15:01" (1/1) ... [2023-12-03 03:15:02,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:15:02,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:15:02,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:15:02,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:15:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:15:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:15:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:15:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:15:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:15:02,071 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:15:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:15:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:15:02,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:15:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:15:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:15:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:15:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:15:02,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:15:02,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:15:02,283 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:15:02,285 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:15:04,631 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:15:06,360 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:15:06,361 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 03:15:06,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:15:06 BoogieIcfgContainer [2023-12-03 03:15:06,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:15:06,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:15:06,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:15:06,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:15:06,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:15:06" (1/1) ... [2023-12-03 03:15:06,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:15:06,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 143 states and 239 transitions. [2023-12-03 03:15:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2023-12-03 03:15:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:15:06,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 142 states and 238 transitions. [2023-12-03 03:15:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 238 transitions. [2023-12-03 03:15:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:15:06,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:06,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 240 transitions. [2023-12-03 03:15:06,796 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 240 transitions. [2023-12-03 03:15:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:15:06,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:06,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:15:06,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:06,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 146 states and 244 transitions. [2023-12-03 03:15:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 244 transitions. [2023-12-03 03:15:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:15:06,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 146 states and 240 transitions. [2023-12-03 03:15:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 240 transitions. [2023-12-03 03:15:07,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:15:07,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:07,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:07,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:07,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 146 states and 232 transitions. [2023-12-03 03:15:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 232 transitions. [2023-12-03 03:15:07,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:15:07,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:07,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:07,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 146 states and 220 transitions. [2023-12-03 03:15:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 220 transitions. [2023-12-03 03:15:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:15:07,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:07,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:07,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:15:07,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:17,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:27,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:27,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:27,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 146 states and 208 transitions. [2023-12-03 03:15:27,975 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 208 transitions. [2023-12-03 03:15:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:15:27,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:27,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:28,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:15:28,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:15:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:39,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:49,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:15:59,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:09,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:19,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:29,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:39,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:50,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:16:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 198 states and 271 transitions. [2023-12-03 03:16:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 271 transitions. [2023-12-03 03:16:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:16:50,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:50,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:16:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:16:50,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:16:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 198 states and 269 transitions. [2023-12-03 03:16:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 269 transitions. [2023-12-03 03:16:50,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:16:50,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:50,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:16:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:50,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:16:50,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:16:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 198 states and 267 transitions. [2023-12-03 03:16:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 267 transitions. [2023-12-03 03:16:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:16:51,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:16:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:16:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:51,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:16:51,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:16:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:17:01,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:11,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:21,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:31,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:41,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:17:52,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:02,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:12,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 251 states and 332 transitions. [2023-12-03 03:18:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 332 transitions. [2023-12-03 03:18:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:18:12,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:12,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:12,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 251 states and 330 transitions. [2023-12-03 03:18:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2023-12-03 03:18:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:18:12,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:12,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:13,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:13,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:13,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 251 states and 328 transitions. [2023-12-03 03:18:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2023-12-03 03:18:13,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:18:13,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:13,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:13,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:23,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:23,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 251 states and 326 transitions. [2023-12-03 03:18:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 326 transitions. [2023-12-03 03:18:23,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:18:23,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:23,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:23,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:18:23,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:18:33,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:18:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 251 states and 324 transitions. [2023-12-03 03:18:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 324 transitions. [2023-12-03 03:18:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:18:33,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:18:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:18:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:18:34,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:18:34,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:18:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:18:44,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:18:54,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:04,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:14,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:14,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 254 states and 326 transitions. [2023-12-03 03:19:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 326 transitions. [2023-12-03 03:19:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:19:14,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:15,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:19:15,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 255 states and 327 transitions. [2023-12-03 03:19:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 327 transitions. [2023-12-03 03:19:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:19:15,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:15,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:15,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:19:15,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:19:25,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:35,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:45,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:55,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:19:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:19:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 269 states and 343 transitions. [2023-12-03 03:19:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 343 transitions. [2023-12-03 03:19:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:19:55,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:19:55,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:19:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:19:56,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:19:56,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:19:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:06,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:16,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:26,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:36,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:36,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 272 states and 345 transitions. [2023-12-03 03:20:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 345 transitions. [2023-12-03 03:20:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 03:20:36,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:20:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:36,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:20:36,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:20:47,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:20:57,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:07,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:17,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 275 states and 347 transitions. [2023-12-03 03:21:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 347 transitions. [2023-12-03 03:21:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:21:17,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:17,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:17,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:21:17,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:18,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:21:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 284 states and 357 transitions. [2023-12-03 03:21:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 357 transitions. [2023-12-03 03:21:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:21:18,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:18,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:18,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:21:18,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:21:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:21:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 293 states and 367 transitions. [2023-12-03 03:21:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2023-12-03 03:21:18,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:21:18,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:21:18,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:21:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:21:19,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:21:19,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:21:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:21:29,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:39,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:49,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:21:59,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:09,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:19,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:29,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:40,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:22:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:22:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 339 states and 422 transitions. [2023-12-03 03:22:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 422 transitions. [2023-12-03 03:22:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:22:40,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:22:40,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:22:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:22:40,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:22:40,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:22:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:22:50,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:00,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:10,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:21,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 342 states and 424 transitions. [2023-12-03 03:23:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 424 transitions. [2023-12-03 03:23:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:23:21,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:21,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:21,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:23:21,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:23:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:23:21,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 342 states and 422 transitions. [2023-12-03 03:23:21,435 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 422 transitions. [2023-12-03 03:23:21,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:23:21,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:23:21,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:23:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:23:21,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:23:21,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:23:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:23:31,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:41,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:23:51,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:01,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 345 states and 424 transitions. [2023-12-03 03:24:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 424 transitions. [2023-12-03 03:24:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:24:02,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:02,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:02,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:24:12,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:22,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:32,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:42,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:24:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:24:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 348 states and 426 transitions. [2023-12-03 03:24:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 426 transitions. [2023-12-03 03:24:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:24:42,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:24:42,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:24:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:24:43,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:24:43,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:24:43,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:24:53,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:03,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:13,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:23,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:25:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 351 states and 428 transitions. [2023-12-03 03:25:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 428 transitions. [2023-12-03 03:25:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:25:23,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:23,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:25:23,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:25:23,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:23,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 351 states and 427 transitions. [2023-12-03 03:25:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 427 transitions. [2023-12-03 03:25:23,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:25:23,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:24,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:24,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:25:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 360 states and 437 transitions. [2023-12-03 03:25:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 437 transitions. [2023-12-03 03:25:24,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:25:24,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:24,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:25,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:25,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:25,744 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:25:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 369 states and 448 transitions. [2023-12-03 03:25:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 448 transitions. [2023-12-03 03:25:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:25:26,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:26,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:26,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:26,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:25:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:26,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 378 states and 458 transitions. [2023-12-03 03:25:26,670 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 458 transitions. [2023-12-03 03:25:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:25:26,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:27,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:25:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 387 states and 469 transitions. [2023-12-03 03:25:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 469 transitions. [2023-12-03 03:25:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:25:27,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:27,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:25:27,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:25:27,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:25:28,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 03:25:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 388 states and 471 transitions. [2023-12-03 03:25:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 471 transitions. [2023-12-03 03:25:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 03:25:28,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:28,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:25:39,167 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:25:39,170 INFO L158 Benchmark]: Toolchain (without parser) took 638209.46ms. Allocated memory was 153.1MB in the beginning and 243.3MB in the end (delta: 90.2MB). Free memory was 112.5MB in the beginning and 139.6MB in the end (delta: -27.1MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,170 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:39,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.55ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 116.7MB in the end (delta: -4.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.87ms. Allocated memory is still 153.1MB. Free memory was 116.7MB in the beginning and 106.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,171 INFO L158 Benchmark]: Boogie Preprocessor took 127.36ms. Allocated memory is still 153.1MB. Free memory was 106.6MB in the beginning and 96.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,171 INFO L158 Benchmark]: RCFGBuilder took 4368.12ms. Allocated memory was 153.1MB in the beginning and 243.3MB in the end (delta: 90.2MB). Free memory was 96.8MB in the beginning and 171.7MB in the end (delta: -74.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,171 INFO L158 Benchmark]: CodeCheck took 632804.36ms. Allocated memory is still 243.3MB. Free memory was 171.7MB in the beginning and 139.6MB in the end (delta: 32.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:39,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 104.9MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.55ms. Allocated memory is still 153.1MB. Free memory was 112.5MB in the beginning and 116.7MB in the end (delta: -4.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.87ms. Allocated memory is still 153.1MB. Free memory was 116.7MB in the beginning and 106.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.36ms. Allocated memory is still 153.1MB. Free memory was 106.6MB in the beginning and 96.8MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4368.12ms. Allocated memory was 153.1MB in the beginning and 243.3MB in the end (delta: 90.2MB). Free memory was 96.8MB in the beginning and 171.7MB in the end (delta: -74.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * CodeCheck took 632804.36ms. Allocated memory is still 243.3MB. Free memory was 171.7MB in the beginning and 139.6MB in the end (delta: 32.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:25:39,380 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:25:39,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:25:41,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:25:41,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 03:25:41,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:25:41,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:25:41,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:25:41,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:25:41,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:25:41,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:25:41,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:25:41,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:25:41,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:25:41,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:25:41,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:25:41,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:25:41,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:25:41,153 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:25:41,154 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:25:41,154 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:25:41,155 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:25:41,155 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:25:41,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:25:41,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:25:41,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:25:41,157 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:25:41,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:25:41,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:25:41,158 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:41,159 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:41,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:25:41,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:41,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:25:41,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:25:41,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:25:41,161 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:25:41,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:41,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:25:41,162 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:25:41,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:41,162 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 765142a1ef820c0c2cf2fa98a3978a1412f5a1196c629c20848264001100dcc9 [2023-12-03 03:25:41,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:25:41,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:25:41,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:25:41,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:25:41,468 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:25:41,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-12-03 03:25:44,214 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:25:44,496 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:25:44,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-1.i [2023-12-03 03:25:44,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/ded91aa1e/56ab6edc7812490ea32b47c74608769d/FLAG9de19eda5 [2023-12-03 03:25:44,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/data/ded91aa1e/56ab6edc7812490ea32b47c74608769d [2023-12-03 03:25:44,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:25:44,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:25:44,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:44,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:25:44,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:25:44,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:44" (1/1) ... [2023-12-03 03:25:44,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c97238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:44, skipping insertion in model container [2023-12-03 03:25:44,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:44" (1/1) ... [2023-12-03 03:25:44,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:45,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:45,122 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:25:45,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:45,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:45,266 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:25:45,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:45,368 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:25:45,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45 WrapperNode [2023-12-03 03:25:45,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:45,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:45,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:25:45,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:25:45,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,471 INFO L138 Inliner]: procedures = 180, calls = 350, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1167 [2023-12-03 03:25:45,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:45,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:25:45,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:25:45,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:25:45,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:25:45,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:25:45,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:25:45,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:25:45,608 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:45" (1/1) ... [2023-12-03 03:25:45,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:45,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:25:45,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:25:45,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:25:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:25:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:25:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:25:45,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:25:45,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:25:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:25:45,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:25:45,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:25:45,868 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:25:45,870 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:26:10,660 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:26:11,162 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:26:11,162 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 03:26:11,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:11 BoogieIcfgContainer [2023-12-03 03:26:11,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:26:11,164 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:26:11,165 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:26:11,174 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:26:11,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:26:11" (1/1) ... [2023-12-03 03:26:11,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:26:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:11,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 143 states and 239 transitions. [2023-12-03 03:26:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 239 transitions. [2023-12-03 03:26:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:26:11,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:11,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:11,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:11,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:11,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:26:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:11,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:26:11,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:11,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 145 states and 242 transitions. [2023-12-03 03:26:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 242 transitions. [2023-12-03 03:26:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:26:12,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:12,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:12,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:12,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:12,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:26:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:12,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:26:12,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:12,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:26:12,835 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:26:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 243 transitions. [2023-12-03 03:26:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2023-12-03 03:26:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:26:13,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,075 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:26:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:13,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:13,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:26:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 145 states and 238 transitions. [2023-12-03 03:26:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 238 transitions. [2023-12-03 03:26:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:26:13,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,472 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:26:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:13,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:13,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:13,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 145 states and 230 transitions. [2023-12-03 03:26:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 230 transitions. [2023-12-03 03:26:13,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:26:13,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:13,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:13,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:13,855 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:13,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:26:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:14,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:14,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:26:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 145 states and 218 transitions. [2023-12-03 03:26:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2023-12-03 03:26:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:26:14,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:14,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:14,299 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:14,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:26:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:14,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:14,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:14,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:26:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 145 states and 202 transitions. [2023-12-03 03:26:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 202 transitions. [2023-12-03 03:26:16,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:26:16,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:16,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:16,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:16,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:16,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:26:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:16,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:17,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:17,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:17,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:26:21,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:23,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 184 states and 248 transitions. [2023-12-03 03:26:23,520 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2023-12-03 03:26:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:26:23,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:23,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:23,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:23,523 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:23,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:26:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:24,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:24,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:24,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:24,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 184 states and 246 transitions. [2023-12-03 03:26:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 246 transitions. [2023-12-03 03:26:24,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:26:24,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:24,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:24,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:24,406 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:24,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:26:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:24,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:25,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:25,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:25,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:26:25,287 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:26:25,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 244 transitions. [2023-12-03 03:26:25,296 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 244 transitions. [2023-12-03 03:26:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:26:25,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:25,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:25,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:25,299 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:25,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:26:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:25,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:26,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:26,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:26,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:26:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 184 states and 242 transitions. [2023-12-03 03:26:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2023-12-03 03:26:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:26:26,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:26,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:26,339 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:26,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:26:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:26,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:27,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:27,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:27,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:26:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 184 states and 240 transitions. [2023-12-03 03:26:27,367 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 240 transitions. [2023-12-03 03:26:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:26:27,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:27,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:27,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:27,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:27,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:26:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:28,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:28,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:28,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:28,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:26:29,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 187 states and 242 transitions. [2023-12-03 03:26:29,012 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2023-12-03 03:26:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:26:29,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:29,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:29,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:29,015 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:29,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:26:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:29,756 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:30,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:30,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:26:30,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:26:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 190 states and 244 transitions. [2023-12-03 03:26:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 244 transitions. [2023-12-03 03:26:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:26:30,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:30,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:30,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:30,572 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:30,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:26:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:31,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:31,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:31,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:31,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 03:26:38,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 190 states and 242 transitions. [2023-12-03 03:26:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 242 transitions. [2023-12-03 03:26:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:26:38,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:38,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:38,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:38,809 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:38,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:26:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:39,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:40,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:26:40,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:26:40,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:26:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 190 states and 241 transitions. [2023-12-03 03:26:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 241 transitions. [2023-12-03 03:26:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:26:40,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:40,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:40,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:40,200 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:40,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:26:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:41,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:41,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:26:42,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:26:42,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 199 states and 251 transitions. [2023-12-03 03:26:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 251 transitions. [2023-12-03 03:26:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:26:42,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:42,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:42,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:42,115 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:42,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:26:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:43,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:43,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:26:43,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:26:45,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 213 states and 268 transitions. [2023-12-03 03:26:45,316 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 268 transitions. [2023-12-03 03:26:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:26:45,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:45,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:45,318 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:45,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:26:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:46,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:46,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:26:46,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:26:46,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 216 states and 270 transitions. [2023-12-03 03:26:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 270 transitions. [2023-12-03 03:26:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:26:46,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:46,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:46,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:46,999 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:47,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:26:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:26:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:26:48,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:26:48,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:26:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:26:49,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:26:51,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:54,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:56,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:59,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:26:59,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:26:59,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 283 states and 351 transitions. [2023-12-03 03:26:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 351 transitions. [2023-12-03 03:26:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:26:59,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:26:59,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:26:59,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:26:59,726 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:26:59,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:27:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:01,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:01,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:01,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:27:02,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 03:27:12,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:27:22,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:27:28,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:27:38,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:27:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:38,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:38,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:38,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:38,614 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:38,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:27:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:39,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:40,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:40,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:40,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:27:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:40,711 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:40,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:40,714 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:27:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:41,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:42,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:42,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:42,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:27:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:42,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:42,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:42,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:42,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:42,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:27:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:44,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:44,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:44,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 03:27:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:44,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:44,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:44,661 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:44,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:27:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:46,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:46,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:46,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:27:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:46,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:46,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:46,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:46,789 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:46,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:27:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:48,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:48,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:48,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:48,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:27:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:49,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:49,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:49,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:49,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:49,011 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:49,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:27:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:50,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:51,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:51,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:51,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:27:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:51,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:51,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:51,382 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:51,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:27:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:53,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:53,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:53,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:27:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:53,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:53,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:53,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:53,656 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:53,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:27:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:55,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:55,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:55,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:55,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:27:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:55,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:55,978 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:27:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:57,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:27:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:27:58,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:27:58,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:27:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:27:58,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:27:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:27:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:27:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:27:58,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:27:58,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:27:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:27:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:27:58,372 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:27:58,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:28:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:00,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:00,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:00,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:28:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:00,979 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:00,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:00,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:00,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:00,981 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:00,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:28:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:02,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:03,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:03,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:03,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:28:03,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:03,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:03,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:03,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:03,508 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:03,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:28:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:05,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:05,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:05,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:06,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:28:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:06,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:06,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:06,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:06,078 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:06,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:28:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:08,100 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:08,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:08,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:08,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:28:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:08,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:08,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:08,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:08,722 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:28:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:10,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:11,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:11,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:11,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:28:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:11,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:11,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:11,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:11,423 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:11,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:28:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:13,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:14,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:14,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:14,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:28:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:14,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:14,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:14,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:14,232 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:28:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:16,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:16,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:16,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:17,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:28:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:17,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:17,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:17,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:17,067 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:17,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:28:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:19,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:20,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:20,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:20,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:28:20,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:20,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:20,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:20,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:20,102 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:28:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:22,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:23,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:23,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:23,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:28:23,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:23,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:23,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:23,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:23,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:23,218 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:23,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:28:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:25,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:26,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:26,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:26,386 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:26,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:28:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:26,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:26,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:26,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:26,446 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:26,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:28:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:28,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:29,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:29,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:29,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:28:29,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:29,384 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:29,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:29,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:29,386 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:29,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:28:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:32,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:32,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:32,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:32,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:28:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:32,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:32,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:32,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:32,651 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:32,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:28:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:35,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:35,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:35,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:35,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:28:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:35,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:35,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:35,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:35,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:35,951 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:28:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:38,621 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:39,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:39,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:39,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:28:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:39,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:39,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:39,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:39,201 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:39,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:28:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:42,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:42,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:42,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:42,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:28:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:42,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:42,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:42,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:42,661 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:42,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:28:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:45,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:46,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:46,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:46,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:28:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:46,201 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:46,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:46,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:46,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:46,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:46,202 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:46,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:28:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:48,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:49,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:49,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:49,332 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:49,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:28:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:49,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:49,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:49,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:49,377 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:28:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:52,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:52,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:52,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:28:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:52,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:52,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:52,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:52,760 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:52,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:28:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:55,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:56,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:56,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:56,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 03:28:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:56,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:56,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:56,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:56,337 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:56,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:28:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:59,124 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:28:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:28:59,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:28:59,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:28:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:28:59,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 03:28:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:28:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:28:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:28:59,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:28:59,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:28:59,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:28:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:28:59,756 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:28:59,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:29:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:03,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:03,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:29:03,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:29:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:03,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:29:03,702 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:29:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:29:03,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:03,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:03,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:03,704 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:03,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:29:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:06,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:07,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:07,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:29:07,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:29:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:29:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:29:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:29:07,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:07,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:07,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:07,569 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:07,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:29:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:10,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:11,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:11,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:29:11,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:29:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:29:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:29:11,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:29:11,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:11,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:11,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:11,566 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:11,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:29:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:14,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:29:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:15,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:29:15,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:29:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 03:29:15,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:29:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:29:15,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 292 states and 362 transitions. [2023-12-03 03:29:15,497 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 362 transitions. [2023-12-03 03:29:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:29:15,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:29:15,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:29:15,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:29:15,498 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:29:15,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc2d569f-57dc-4160-ad0a-ddf4ad6e9452/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:29:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:29:18,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported