./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:46,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:46,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 01:44:46,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:44:46,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:44:46,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:46,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:46,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:46,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:46,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:46,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:46,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:46,482 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:44:46,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:44:46,483 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:44:46,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:46,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:46,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:46,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:46,485 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:44:46,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:44:46,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:44:46,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:46,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:46,487 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:46,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:46,488 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:46,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:46,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:46,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:46,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:46,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:46,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:44:46,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:44:46,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:46,490 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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2023-12-03 01:44:46,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:46,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:46,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:46,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:46,736 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:46,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-12-03 01:44:49,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:49,800 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:49,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-12-03 01:44:49,819 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/9cd2253c7/2e8d1367fb984021a8eb7671d16dee6f/FLAG458a8f549 [2023-12-03 01:44:49,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/9cd2253c7/2e8d1367fb984021a8eb7671d16dee6f [2023-12-03 01:44:49,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:49,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:49,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:49,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:49,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:49,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:49" (1/1) ... [2023-12-03 01:44:49,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e123f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:49, skipping insertion in model container [2023-12-03 01:44:49,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:49" (1/1) ... [2023-12-03 01:44:49,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:50,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:50,419 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:50,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:50,588 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:50,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50 WrapperNode [2023-12-03 01:44:50,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:50,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:50,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:50,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:50,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,703 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1817 [2023-12-03 01:44:50,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:50,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:50,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:50,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:50,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,727 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:50,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:50,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:50,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:50,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:50" (1/1) ... [2023-12-03 01:44:50,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:50,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:50,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:50,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:44:50,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:44:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:44:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:44:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:44:50,888 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:44:50,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:44:50,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:44:50,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:50,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:51,122 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:51,125 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:52,970 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:54,300 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:54,300 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 01:44:54,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:54 BoogieIcfgContainer [2023-12-03 01:44:54,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:54,303 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:54,303 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:54,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:54,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:54" (1/1) ... [2023-12-03 01:44:54,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:54,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 01:44:54,369 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 01:44:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:44:54,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:54,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:54,534 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 01:44:54,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:54,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 287 transitions. [2023-12-03 01:44:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2023-12-03 01:44:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:44:54,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:54,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:44:54,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:54,670 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 01:44:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 01:44:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 01:44:54,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:44:54,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:54,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:54,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:44:54,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:54,804 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 01:44:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 01:44:54,810 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 01:44:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:44:54,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:54,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:54,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:44:54,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:54,928 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 01:44:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 01:44:54,936 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 01:44:54,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:44:54,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:54,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:55,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:44:55,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:55,104 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 01:44:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 01:44:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 01:44:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:44:55,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:55,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:44:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:55,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:44:55,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:55,387 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 01:45:05,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:15,543 WARN L539 Checker$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 01:45:15,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:45:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 173 states and 255 transitions. [2023-12-03 01:45:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 255 transitions. [2023-12-03 01:45:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:45:15,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:45:15,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:45:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:45:16,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:45:16,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:45:16,164 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 01:45:26,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:36,234 WARN L539 Checker$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 01:45:46,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:45:56,305 WARN L539 Checker$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 01:46:06,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:16,676 WARN L539 Checker$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 01:46:26,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:36,732 WARN L539 Checker$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 01:46:36,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 225 states and 318 transitions. [2023-12-03 01:46:36,963 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 318 transitions. [2023-12-03 01:46:36,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:46:36,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:36,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:37,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:46:37,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:37,364 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 01:46:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 225 states and 316 transitions. [2023-12-03 01:46:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 316 transitions. [2023-12-03 01:46:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 01:46:37,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:37,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:46:37,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:37,726 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 01:46:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 225 states and 314 transitions. [2023-12-03 01:46:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 314 transitions. [2023-12-03 01:46:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:46:37,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:37,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:38,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:46:38,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:46:38,243 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 01:46:48,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:58,346 WARN L539 Checker$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 01:47:08,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:18,412 WARN L539 Checker$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 01:47:28,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:38,818 WARN L539 Checker$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 01:47:48,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:58,894 WARN L539 Checker$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 01:47:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 278 states and 379 transitions. [2023-12-03 01:47:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 379 transitions. [2023-12-03 01:47:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:47:59,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:59,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:59,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:47:59,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:59,572 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 01:47:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:59,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 278 states and 377 transitions. [2023-12-03 01:47:59,583 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 377 transitions. [2023-12-03 01:47:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:47:59,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:59,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:47:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:59,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:47:59,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:59,897 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 01:47:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 278 states and 375 transitions. [2023-12-03 01:47:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 375 transitions. [2023-12-03 01:47:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:47:59,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:59,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:00,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:48:00,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:00,312 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 01:48:10,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 278 states and 373 transitions. [2023-12-03 01:48:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 373 transitions. [2023-12-03 01:48:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:48:10,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:10,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:10,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:48:10,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:48:20,684 WARN L539 Checker$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 01:48:20,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 278 states and 371 transitions. [2023-12-03 01:48:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2023-12-03 01:48:20,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:48:20,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:20,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:48:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:21,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:48:21,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:21,209 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 01:48:31,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:41,238 WARN L539 Checker$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 01:48:51,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:01,330 WARN L539 Checker$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 01:49:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 281 states and 373 transitions. [2023-12-03 01:49:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 373 transitions. [2023-12-03 01:49:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:49:01,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:01,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:01,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:49:01,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:01,776 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 01:49:11,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:21,932 WARN L539 Checker$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 01:49:31,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:42,003 WARN L539 Checker$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 01:49:42,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:42,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 295 states and 389 transitions. [2023-12-03 01:49:42,046 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 389 transitions. [2023-12-03 01:49:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:49:42,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:49:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:42,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:49:42,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:42,449 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 01:49:52,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:02,538 WARN L539 Checker$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 01:50:12,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:22,651 WARN L539 Checker$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 01:50:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 298 states and 391 transitions. [2023-12-03 01:50:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2023-12-03 01:50:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:50:22,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:22,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:50:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:23,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:50:23,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:23,140 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 01:50:33,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:50:43,179 WARN L539 Checker$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 01:50:53,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:03,237 WARN L539 Checker$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 01:51:03,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:03,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 301 states and 393 transitions. [2023-12-03 01:51:03,277 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 393 transitions. [2023-12-03 01:51:03,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 01:51:03,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:03,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:03,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:03,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:03,693 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 01:51:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 310 states and 403 transitions. [2023-12-03 01:51:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 403 transitions. [2023-12-03 01:51:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:51:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:03,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:04,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:51:04,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:04,219 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 01:51:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 319 states and 413 transitions. [2023-12-03 01:51:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 413 transitions. [2023-12-03 01:51:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:51:04,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:51:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:04,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:51:04,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:04,823 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 01:51:14,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:25,001 WARN L539 Checker$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 01:51:35,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:51:45,069 WARN L539 Checker$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 01:51:55,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:05,467 WARN L539 Checker$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 01:52:15,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:25,532 WARN L539 Checker$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 01:52:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 365 states and 468 transitions. [2023-12-03 01:52:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 468 transitions. [2023-12-03 01:52:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:52:25,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:25,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:52:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:25,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:52:25,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:26,035 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 01:52:36,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:52:46,123 WARN L539 Checker$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 01:52:56,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:06,202 WARN L539 Checker$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 01:53:06,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2023-12-03 01:53:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2023-12-03 01:53:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:53:06,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:06,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:53:06,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:06,569 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 01:53:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:06,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 368 states and 468 transitions. [2023-12-03 01:53:06,830 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 468 transitions. [2023-12-03 01:53:06,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:53:06,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:06,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:07,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:53:07,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:07,334 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 01:53:17,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:27,439 WARN L539 Checker$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 01:53:37,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:53:47,507 WARN L539 Checker$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 01:53:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 371 states and 470 transitions. [2023-12-03 01:53:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 470 transitions. [2023-12-03 01:53:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:53:47,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:53:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:47,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:53:47,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:48,103 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 01:53:58,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:08,181 WARN L539 Checker$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 01:54:18,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:28,251 WARN L539 Checker$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 01:54:28,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:28,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 374 states and 472 transitions. [2023-12-03 01:54:28,325 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 472 transitions. [2023-12-03 01:54:28,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 01:54:28,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:28,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:28,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:54:28,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:28,910 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 01:54:38,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:54:48,981 WARN L539 Checker$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 01:54:59,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:55:09,061 WARN L539 Checker$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 01:55:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:09,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 377 states and 474 transitions. [2023-12-03 01:55:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 474 transitions. [2023-12-03 01:55:09,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:55:09,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:09,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:09,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:55:09,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:09,508 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 01:55:09,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 377 states and 473 transitions. [2023-12-03 01:55:09,531 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 473 transitions. [2023-12-03 01:55:09,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:55:09,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:09,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:55:09,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:09,969 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 01:55:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 386 states and 483 transitions. [2023-12-03 01:55:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 483 transitions. [2023-12-03 01:55:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:55:10,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:10,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:10,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:55:10,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:10,586 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 01:55:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 395 states and 494 transitions. [2023-12-03 01:55:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 494 transitions. [2023-12-03 01:55:11,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:55:11,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:11,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:11,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:55:11,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:11,548 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 01:55:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 404 states and 504 transitions. [2023-12-03 01:55:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 504 transitions. [2023-12-03 01:55:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:55:11,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:12,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:55:12,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:12,155 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 01:55:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 413 states and 515 transitions. [2023-12-03 01:55:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 515 transitions. [2023-12-03 01:55:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:55:12,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:12,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:55:12,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:12,959 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 01:55:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 414 states and 517 transitions. [2023-12-03 01:55:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 517 transitions. [2023-12-03 01:55:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 01:55:13,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:13,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:55:23,858 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 01:55:23,861 INFO L158 Benchmark]: Toolchain (without parser) took 634026.48ms. Allocated memory was 144.7MB in the beginning and 276.8MB in the end (delta: 132.1MB). Free memory was 105.8MB in the beginning and 166.5MB in the end (delta: -60.6MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-12-03 01:55:23,861 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 96.5MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:23,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.88ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 103.5MB in the end (delta: 2.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-12-03 01:55:23,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.01ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 92.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:55:23,862 INFO L158 Benchmark]: Boogie Preprocessor took 119.40ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:55:23,863 INFO L158 Benchmark]: RCFGBuilder took 3477.99ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 79.8MB in the beginning and 102.0MB in the end (delta: -22.2MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. [2023-12-03 01:55:23,863 INFO L158 Benchmark]: CodeCheck took 629557.13ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 102.0MB in the beginning and 166.5MB in the end (delta: -64.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:55:23,866 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 0.17ms. Allocated memory is still 96.5MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.88ms. Allocated memory is still 144.7MB. Free memory was 105.8MB in the beginning and 103.5MB in the end (delta: 2.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.01ms. Allocated memory is still 144.7MB. Free memory was 103.5MB in the beginning and 92.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.40ms. Allocated memory is still 144.7MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3477.99ms. Allocated memory was 144.7MB in the beginning and 230.7MB in the end (delta: 86.0MB). Free memory was 79.8MB in the beginning and 102.0MB in the end (delta: -22.2MB). Peak memory consumption was 93.2MB. Max. memory is 16.1GB. * CodeCheck took 629557.13ms. Allocated memory was 230.7MB in the beginning and 276.8MB in the end (delta: 46.1MB). Free memory was 102.0MB in the beginning and 166.5MB in the end (delta: -64.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:55:24,074 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:55:24,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:55:25,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:55:25,832 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 01:55:25,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:55:25,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:55:25,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:55:25,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:55:25,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:55:25,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:55:25,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:55:25,868 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:55:25,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:55:25,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:55:25,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:55:25,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:55:25,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:55:25,871 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:55:25,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:55:25,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:55:25,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:55:25,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:55:25,874 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:55:25,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:55:25,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:55:25,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:55:25,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:55:25,876 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:55:25,876 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:25,877 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:25,877 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:55:25,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:25,878 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:55:25,879 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:55:25,879 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:55:25,879 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:55:25,879 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:25,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:55:25,880 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:55:25,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:55:25,880 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_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c366d24ef9ea71cc6362f44963cc0aaadef105bf25ae7c56112d839540c58b5 [2023-12-03 01:55:26,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:55:26,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:55:26,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:55:26,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:55:26,202 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:55:26,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-12-03 01:55:28,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:55:29,271 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:55:29,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test4-3.i [2023-12-03 01:55:29,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/4c6e70463/6068c1a7eab3448ea0f1ad62bb0880fb/FLAG40a430d4e [2023-12-03 01:55:29,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/data/4c6e70463/6068c1a7eab3448ea0f1ad62bb0880fb [2023-12-03 01:55:29,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:55:29,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:55:29,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:29,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:55:29,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:55:29,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:29" (1/1) ... [2023-12-03 01:55:29,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4957cd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:29, skipping insertion in model container [2023-12-03 01:55:29,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:55:29" (1/1) ... [2023-12-03 01:55:29,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:55:29,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:29,875 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:55:29,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:55:29,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:29,994 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:55:30,078 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:55:30,122 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:55:30,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30 WrapperNode [2023-12-03 01:55:30,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:55:30,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:30,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:55:30,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:55:30,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,243 INFO L138 Inliner]: procedures = 180, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1466 [2023-12-03 01:55:30,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:55:30,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:55:30,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:55:30,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:55:30,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:55:30,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:55:30,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:55:30,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:55:30,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:55:30" (1/1) ... [2023-12-03 01:55:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:55:30,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:55:30,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:55:30,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:55:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:55:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:55:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:55:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:55:30,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:55:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:55:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:55:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:55:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:55:30,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:55:30,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:55:30,688 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:55:30,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:55:57,734 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:55:58,326 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:55:58,326 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 01:55:58,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:58 BoogieIcfgContainer [2023-12-03 01:55:58,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:55:58,329 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:55:58,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:55:58,339 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:55:58,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:55:58" (1/1) ... [2023-12-03 01:55:58,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:55:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 01:55:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 01:55:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 01:55:58,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:58,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:58,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:58,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:58,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:55:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:58,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:58,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:55:58,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:58,976 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 01:55:58,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:55:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 01:55:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 01:55:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:55:59,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:59,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:59,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:59,285 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:59,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:55:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:59,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:59,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:55:59,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:59,825 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 01:55:59,830 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:55:59,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:56:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 174 states and 292 transitions. [2023-12-03 01:56:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 292 transitions. [2023-12-03 01:56:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:56:00,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:00,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:00,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:00,116 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:00,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:56:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:00,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:00,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:00,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:00,560 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 01:56:00,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:56:00,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 01:56:00,572 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 01:56:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:56:00,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:00,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:00,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:00,577 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:00,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:56:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:00,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:01,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:01,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:01,005 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 01:56:01,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:56:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 01:56:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 01:56:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:56:01,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:01,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:01,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:01,022 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:01,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:56:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:01,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:01,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:01,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:01,620 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 01:56:01,625 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:56:01,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:56:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:01,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 01:56:01,637 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 01:56:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:56:01,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:01,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:01,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:01,641 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:01,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:56:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:02,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:02,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:02,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:02,374 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 01:56:02,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:56:03,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:04,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 173 states and 251 transitions. [2023-12-03 01:56:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 251 transitions. [2023-12-03 01:56:04,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:56:04,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:04,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:04,823 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:04,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:56:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:05,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:05,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:05,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:06,044 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 01:56:06,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:56:06,059 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:56:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:06,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 187 states and 266 transitions. [2023-12-03 01:56:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 266 transitions. [2023-12-03 01:56:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:56:06,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:06,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:06,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:06,430 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:06,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:56:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:07,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:07,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:07,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:07,383 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 01:56:07,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 01:56:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 187 states and 264 transitions. [2023-12-03 01:56:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2023-12-03 01:56:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:56:07,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:07,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:07,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:07,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:56:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:07,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:08,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:08,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:08,348 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 01:56:08,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 01:56:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 187 states and 262 transitions. [2023-12-03 01:56:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 262 transitions. [2023-12-03 01:56:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:56:08,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:08,369 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:08,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:56:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:09,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:09,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:09,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:09,644 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 01:56:09,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:56:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:09,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 190 states and 264 transitions. [2023-12-03 01:56:09,669 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 264 transitions. [2023-12-03 01:56:09,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:56:09,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:09,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:09,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:09,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:09,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:56:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:10,453 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:10,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:10,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:11,439 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 01:56:11,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:56:13,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:15,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:17,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:17,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 236 states and 320 transitions. [2023-12-03 01:56:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2023-12-03 01:56:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:56:17,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:17,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:17,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:17,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:56:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:18,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:18,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:18,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:18,830 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 01:56:18,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:56:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 236 states and 318 transitions. [2023-12-03 01:56:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2023-12-03 01:56:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 01:56:18,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:18,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:18,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:18,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:18,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:56:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:19,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:20,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:20,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:20,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:56:20,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:56:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 236 states and 316 transitions. [2023-12-03 01:56:20,255 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 316 transitions. [2023-12-03 01:56:20,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:56:20,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:20,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:20,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:20,257 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:20,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:56:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:21,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:21,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:21,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:22,110 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 01:56:22,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:56:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 239 states and 318 transitions. [2023-12-03 01:56:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2023-12-03 01:56:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:56:22,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:22,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:22,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:22,181 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:22,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:56:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:23,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:23,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:23,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:24,041 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 01:56:24,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 01:56:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 242 states and 320 transitions. [2023-12-03 01:56:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 320 transitions. [2023-12-03 01:56:24,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:56:24,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:24,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:24,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:24,121 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:24,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:56:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:25,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:25,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:25,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:25,684 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 01:56:25,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:56:35,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 242 states and 318 transitions. [2023-12-03 01:56:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2023-12-03 01:56:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 01:56:35,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:35,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:35,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:35,748 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:35,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:56:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:36,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:37,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:56:37,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:37,527 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 01:56:37,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:56:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:37,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 242 states and 317 transitions. [2023-12-03 01:56:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2023-12-03 01:56:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:56:37,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:37,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:37,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:37,564 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:37,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:56:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:38,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:39,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:39,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:39,634 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 01:56:39,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:56:42,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:46,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:56:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 309 states and 398 transitions. [2023-12-03 01:56:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 398 transitions. [2023-12-03 01:56:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:56:46,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:46,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:46,664 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:46,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:56:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:47,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:48,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:56:48,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:49,011 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 01:56:49,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:56:59,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:09,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:19,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:29,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:57:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:29,182 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:29,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:29,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:29,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:29,185 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:57:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:30,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:30,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:30,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:31,124 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 01:57:31,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:57:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:31,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:31,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:31,341 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:57:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:32,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:33,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:33,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:33,271 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 01:57:33,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:57:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:33,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:33,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:33,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:33,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:33,316 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:33,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:57:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:34,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:35,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:35,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:35,447 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 01:57:35,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:57:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:35,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:35,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:35,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:35,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:35,494 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:35,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:57:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:37,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:37,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:37,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:37,605 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 01:57:37,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:57:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:37,649 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:37,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:37,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:37,651 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:37,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:57:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:39,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:39,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:39,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:39,857 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 01:57:39,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:57:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:39,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:39,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:39,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:39,904 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:57:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:41,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:42,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:42,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:42,290 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 01:57:42,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:57:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:42,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:42,335 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:42,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:42,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:42,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:42,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:42,337 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:42,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:57:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:44,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:44,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:44,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:44,711 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 01:57:44,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:57:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:44,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:44,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:44,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:44,755 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:44,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:57:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:46,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:47,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:47,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:47,215 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 01:57:47,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:57:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:47,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:47,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:47,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:47,261 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:57:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:49,144 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:49,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:49,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:49,795 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 01:57:49,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:57:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:49,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:49,848 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:49,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:49,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:49,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:49,851 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:49,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:57:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:51,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:52,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:52,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:52,579 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 01:57:52,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:57:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:52,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:52,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:52,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:52,641 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:52,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:57:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:54,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:55,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:55,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:55,109 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 01:57:55,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:57:55,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:55,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:55,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:55,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:55,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:55,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:55,167 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:55,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:57:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:57,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:57,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:57:57,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:57,807 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 01:57:57,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:57:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:57:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:57:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:57:57,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:57,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:57,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:57,862 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:58:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:00,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:00,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:00,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:00,869 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 01:58:00,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:58:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:00,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:00,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:00,919 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:00,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:58:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:03,320 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:03,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:03,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:03,915 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 01:58:03,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:58:03,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:03,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:03,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:03,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:03,970 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:03,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:58:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:06,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:06,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:06,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:06,973 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 01:58:07,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:58:07,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:07,026 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:07,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:07,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:07,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:07,028 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:07,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:58:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:09,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:09,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:09,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:09,938 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 01:58:09,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:58:09,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:09,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:09,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:09,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:09,989 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:09,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:58:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:12,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:13,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:13,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:13,135 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 01:58:13,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:58:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:13,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:13,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:13,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:13,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:13,192 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:58:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:15,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:16,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:16,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:16,334 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 01:58:16,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:58:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:16,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:16,368 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:16,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:16,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:16,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:16,370 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:16,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:58:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:19,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:19,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:19,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:19,702 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 01:58:19,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:58:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:19,740 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:19,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:19,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:19,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:19,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:19,742 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:19,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:58:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:22,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:23,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:23,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:23,208 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 01:58:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:58:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:23,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:23,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:23,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:23,252 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:23,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:58:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:25,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:26,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:26,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:26,488 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 01:58:26,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 01:58:26,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:26,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:26,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:26,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:26,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:26,567 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:26,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:58:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:29,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:30,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:30,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:30,103 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 01:58:30,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:58:30,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:30,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:30,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:30,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:30,150 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:30,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:58:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:32,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:33,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:33,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:33,598 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 01:58:33,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:58:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:33,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:33,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:33,642 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:33,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:58:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:36,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:37,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:37,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:37,216 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 01:58:37,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 01:58:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:37,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:37,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:37,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:37,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:37,262 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:37,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:58:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:40,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:40,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:40,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:40,948 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 01:58:40,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:58:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:40,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:40,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:40,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:40,991 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:40,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:58:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:44,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:44,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:44,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:44,764 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 01:58:44,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:58:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:44,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:44,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:44,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:44,809 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:44,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:58:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:47,857 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:48,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:48,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:48,429 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 01:58:48,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:58:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:48,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:48,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:48,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:48,473 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:48,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:58:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:51,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:52,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:52,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:52,152 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 01:58:52,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:58:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:52,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:52,222 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:52,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:52,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:52,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:52,224 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:52,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:58:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:55,513 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:56,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:56,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:56,110 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 01:58:56,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:58:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:56,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:58:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:58:56,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:58:56,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:56,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:56,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:56,158 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:56,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:58:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:59,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:59,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:58:59,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:00,001 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 01:59:00,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:59:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:00,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:59:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:59:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:59:00,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:00,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:00,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:00,046 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:00,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:59:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:03,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:03,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:59:03,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:03,936 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 01:59:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:59:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:59:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:59:04,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:59:04,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:04,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:04,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:04,006 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:04,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:59:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:07,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:59:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:07,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:59:07,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:59:07,974 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 01:59:08,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-03 01:59:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 01:59:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 01:59:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 01:59:08,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:08,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:59:08,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:59:08,020 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:59:08,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df53f24e-ba4e-46ff-bc4a-ce67baa68c3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process