./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:57:44,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:57:44,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:57:44,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:57:44,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:57:44,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:57:44,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:57:44,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:57:44,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:57:44,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:57:44,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:57:44,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:57:44,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:57:44,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:57:44,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:57:44,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:57:44,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:57:44,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:57:44,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:57:44,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:57:44,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:57:44,659 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:57:44,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:57:44,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:57:44,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:57:44,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:57:44,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:57:44,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:57:44,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:57:44,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:57:44,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:57:44,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:57:44,663 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:57:44,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:57:44,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:57:44,664 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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2023-12-03 03:57:44,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:57:44,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:57:44,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:57:44,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:57:44,920 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:57:44,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-12-03 03:57:47,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:57:47,964 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:57:47,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-12-03 03:57:47,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/f2e92c590/75a45ca95d214602a41a7804c6a4e448/FLAG6f93690a0 [2023-12-03 03:57:47,998 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/f2e92c590/75a45ca95d214602a41a7804c6a4e448 [2023-12-03 03:57:48,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:57:48,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:57:48,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:57:48,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:57:48,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:57:48,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:57:47" (1/1) ... [2023-12-03 03:57:48,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b9b369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48, skipping insertion in model container [2023-12-03 03:57:48,010 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:57:47" (1/1) ... [2023-12-03 03:57:48,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:57:48,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:57:48,627 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:57:48,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:57:48,769 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:57:48,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48 WrapperNode [2023-12-03 03:57:48,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:57:48,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:57:48,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:57:48,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:57:48,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,894 INFO L138 Inliner]: procedures = 177, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1817 [2023-12-03 03:57:48,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:57:48,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:57:48,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:57:48,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:57:48,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:48,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:49,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:49,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:57:49,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:57:49,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:57:49,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:57:49,019 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:57:48" (1/1) ... [2023-12-03 03:57:49,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:57:49,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:57:49,048 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:57:49,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:57:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:57:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:57:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:57:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:57:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:57:49,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:57:49,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:57:49,311 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:57:49,314 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:57:51,242 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:57:52,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:57:52,785 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 03:57:52,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:57:52 BoogieIcfgContainer [2023-12-03 03:57:52,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:57:52,788 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:57:52,788 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:57:52,799 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:57:52,799 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:57:52" (1/1) ... [2023-12-03 03:57:52,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:57:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 03:57:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 03:57:52,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:57:52,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:52,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 170 states and 287 transitions. [2023-12-03 03:57:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 287 transitions. [2023-12-03 03:57:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:57:53,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:53,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:53,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 03:57:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 03:57:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 03:57:53,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:53,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 03:57:53,314 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 03:57:53,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:57:53,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:53,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:53,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 03:57:53,466 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 03:57:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:57:53,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:53,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:53,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:57:53,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 03:57:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 03:57:53,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 03:57:53,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:53,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:53,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:53,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:58:03,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:14,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:58:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 173 states and 255 transitions. [2023-12-03 03:58:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 255 transitions. [2023-12-03 03:58:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:58:14,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:58:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:58:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:58:14,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:58:14,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:58:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:58:24,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:34,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:44,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:54,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:05,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:15,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:25,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:35,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:35,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 225 states and 318 transitions. [2023-12-03 03:59:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 318 transitions. [2023-12-03 03:59:35,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:59:35,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:35,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:35,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:35,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:35,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 225 states and 316 transitions. [2023-12-03 03:59:35,708 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 316 transitions. [2023-12-03 03:59:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 03:59:35,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:36,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:36,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:36,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 225 states and 314 transitions. [2023-12-03 03:59:36,096 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 314 transitions. [2023-12-03 03:59:36,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:59:36,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:36,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:36,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:36,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:46,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:56,659 WARN L539 Checker$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 04:00:06,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:16,727 WARN L539 Checker$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 04:00:26,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:37,053 WARN L539 Checker$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 04:00:47,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:57,127 WARN L539 Checker$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 04:00:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 278 states and 379 transitions. [2023-12-03 04:00:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 379 transitions. [2023-12-03 04:00:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:00:57,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:57,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:57,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:00:57,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:57,711 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 04:00:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 278 states and 377 transitions. [2023-12-03 04:00:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 377 transitions. [2023-12-03 04:00:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:00:57,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:57,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:58,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:00:58,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:58,048 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 04:00:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:58,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 278 states and 375 transitions. [2023-12-03 04:00:58,059 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 375 transitions. [2023-12-03 04:00:58,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:00:58,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:58,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:58,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:00:58,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:58,388 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 04:01:08,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:08,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 278 states and 373 transitions. [2023-12-03 04:01:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 373 transitions. [2023-12-03 04:01:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:01:08,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:08,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:08,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:01:08,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:01:18,779 WARN L539 Checker$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 04:01:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 278 states and 371 transitions. [2023-12-03 04:01:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2023-12-03 04:01:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:01:18,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:18,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:19,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:19,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:19,227 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 04:01:29,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:39,275 WARN L539 Checker$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 04:01:49,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:59,322 WARN L539 Checker$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 04:01:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 281 states and 373 transitions. [2023-12-03 04:01:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 373 transitions. [2023-12-03 04:01:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:01:59,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:59,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:59,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:01:59,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:59,723 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 04:02:09,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:19,858 WARN L539 Checker$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 04:02:29,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:39,912 WARN L539 Checker$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 04:02:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 295 states and 389 transitions. [2023-12-03 04:02:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 389 transitions. [2023-12-03 04:02:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:02:39,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:40,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:40,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:40,376 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 04:02:50,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:00,429 WARN L539 Checker$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 04:03:10,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:20,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 298 states and 391 transitions. [2023-12-03 04:03:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2023-12-03 04:03:20,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 04:03:20,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:20,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:21,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:03:21,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:21,146 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 04:03:31,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:41,204 WARN L539 Checker$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 04:03:51,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:01,274 WARN L539 Checker$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 04:04:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 301 states and 393 transitions. [2023-12-03 04:04:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 393 transitions. [2023-12-03 04:04:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:04:01,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:01,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:04:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:01,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:04:01,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:01,757 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 04:04:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 310 states and 403 transitions. [2023-12-03 04:04:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 403 transitions. [2023-12-03 04:04:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:04:01,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:04:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:02,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:04:02,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:02,239 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 04:04:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 319 states and 413 transitions. [2023-12-03 04:04:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 413 transitions. [2023-12-03 04:04:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:04:02,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:04:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:02,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:04:02,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:02,836 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 04:04:12,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:23,010 WARN L539 Checker$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 04:04:33,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:43,069 WARN L539 Checker$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 04:04:53,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:03,438 WARN L539 Checker$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 04:05:13,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:23,513 WARN L539 Checker$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 04:05:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 365 states and 468 transitions. [2023-12-03 04:05:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 468 transitions. [2023-12-03 04:05:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:05:23,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:23,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:23,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:24,016 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 04:05:34,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:44,084 WARN L539 Checker$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 04:05:54,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:04,155 WARN L539 Checker$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 04:06:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2023-12-03 04:06:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2023-12-03 04:06:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:06:04,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:04,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:04,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:06:04,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:04,598 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 04:06:04,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 368 states and 468 transitions. [2023-12-03 04:06:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 468 transitions. [2023-12-03 04:06:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:06:04,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:04,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:05,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:06:05,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:05,115 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 04:06:15,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:25,193 WARN L539 Checker$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 04:06:35,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:45,275 WARN L539 Checker$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 04:06:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 371 states and 470 transitions. [2023-12-03 04:06:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 470 transitions. [2023-12-03 04:06:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:06:45,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:45,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:45,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:06:45,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:45,868 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 04:06:55,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:05,922 WARN L539 Checker$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 04:07:15,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:25,991 WARN L539 Checker$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 04:07:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:26,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 374 states and 472 transitions. [2023-12-03 04:07:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 472 transitions. [2023-12-03 04:07:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 04:07:26,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:07:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:26,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:07:26,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:26,645 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 04:07:36,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:07:46,722 WARN L539 Checker$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 04:07:56,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:06,822 WARN L539 Checker$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 04:08:06,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 377 states and 474 transitions. [2023-12-03 04:08:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 474 transitions. [2023-12-03 04:08:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:08:06,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:07,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:07,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:07,309 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 04:08:07,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:07,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 377 states and 473 transitions. [2023-12-03 04:08:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 473 transitions. [2023-12-03 04:08:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:08:07,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:07,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:07,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:07,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:07,809 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 04:08:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 386 states and 483 transitions. [2023-12-03 04:08:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 483 transitions. [2023-12-03 04:08:07,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:08:07,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:08,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:08,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:08,400 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 04:08:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 395 states and 494 transitions. [2023-12-03 04:08:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 494 transitions. [2023-12-03 04:08:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:08:08,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:08,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:09,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:09,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:09,236 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 04:08:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:09,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 404 states and 504 transitions. [2023-12-03 04:08:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 504 transitions. [2023-12-03 04:08:09,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:08:09,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:09,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:09,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:09,889 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 04:08:10,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 413 states and 515 transitions. [2023-12-03 04:08:10,144 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 515 transitions. [2023-12-03 04:08:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:08:10,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:10,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:10,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:10,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:10,623 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 04:08:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 414 states and 517 transitions. [2023-12-03 04:08:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 517 transitions. [2023-12-03 04:08:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:11,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:11,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:08:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:08:21,701 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 04:08:21,704 INFO L158 Benchmark]: Toolchain (without parser) took 633702.58ms. Allocated memory was 178.3MB in the beginning and 270.5MB in the end (delta: 92.3MB). Free memory was 135.7MB in the beginning and 181.2MB in the end (delta: -45.5MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,704 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 178.3MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:08:21,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.44ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 98.1MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.32ms. Allocated memory is still 178.3MB. Free memory was 98.1MB in the beginning and 86.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,705 INFO L158 Benchmark]: Boogie Preprocessor took 121.89ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,706 INFO L158 Benchmark]: RCFGBuilder took 3769.71ms. Allocated memory was 178.3MB in the beginning and 222.3MB in the end (delta: 44.0MB). Free memory was 74.3MB in the beginning and 100.4MB in the end (delta: -26.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,706 INFO L158 Benchmark]: CodeCheck took 628915.38ms. Allocated memory was 222.3MB in the beginning and 270.5MB in the end (delta: 48.2MB). Free memory was 100.4MB in the beginning and 181.2MB in the end (delta: -80.8MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2023-12-03 04:08:21,708 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 0.22ms. Allocated memory is still 178.3MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.44ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 98.1MB in the end (delta: 37.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.32ms. Allocated memory is still 178.3MB. Free memory was 98.1MB in the beginning and 86.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.89ms. Allocated memory is still 178.3MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3769.71ms. Allocated memory was 178.3MB in the beginning and 222.3MB in the end (delta: 44.0MB). Free memory was 74.3MB in the beginning and 100.4MB in the end (delta: -26.1MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * CodeCheck took 628915.38ms. Allocated memory was 222.3MB in the beginning and 270.5MB in the end (delta: 48.2MB). Free memory was 100.4MB in the beginning and 181.2MB in the end (delta: -80.8MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:08:21,917 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:08:21,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:08:23,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:08:23,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:08:23,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:08:23,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:08:23,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:08:23,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:08:23,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:08:23,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:08:23,766 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:08:23,766 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:08:23,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:08:23,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:08:23,768 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:08:23,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:08:23,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:08:23,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:08:23,770 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:08:23,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:08:23,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:08:23,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:08:23,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:08:23,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:08:23,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:08:23,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:08:23,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:08:23,775 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:08:23,776 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:23,776 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:08:23,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:08:23,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:08:23,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:08:23,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:08:23,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:08:23,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:08:23,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:23,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:08:23,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:08:23,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:08:23,779 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_2d091b13-2e26-4945-a2ef-58d4b0d0c640/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dcad53e9f7fd6e0b6384d19db4719ec6aa2601fd94c6ce0d3c746f1ec6b3601 [2023-12-03 04:08:24,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:08:24,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:08:24,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:08:24,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:08:24,098 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:08:24,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-12-03 04:08:26,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:08:27,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:08:27,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-3.i [2023-12-03 04:08:27,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/437981b7b/a3d8a705f1f348a1821e2dce21841c41/FLAGce30e64ed [2023-12-03 04:08:27,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/data/437981b7b/a3d8a705f1f348a1821e2dce21841c41 [2023-12-03 04:08:27,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:08:27,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:08:27,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:08:27,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:08:27,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:08:27,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:27,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bcb8f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27, skipping insertion in model container [2023-12-03 04:08:27,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:27,202 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:08:27,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:08:27,694 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:08:27,711 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:08:27,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:08:27,814 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:08:27,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:08:27,937 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:08:27,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27 WrapperNode [2023-12-03 04:08:27,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:08:27,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:08:27,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:08:27,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:08:27,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:27,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,055 INFO L138 Inliner]: procedures = 180, calls = 449, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1466 [2023-12-03 04:08:28,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:08:28,056 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:08:28,056 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:08:28,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:08:28,066 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,155 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,173 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:08:28,193 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:08:28,193 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:08:28,193 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:08:28,194 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:08:27" (1/1) ... [2023-12-03 04:08:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:08:28,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:08:28,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:08:28,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:08:28,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:08:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:08:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:08:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:08:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:08:28,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:08:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:08:28,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:08:28,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:08:28,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:08:28,492 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:08:28,494 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:08:50,925 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:08:51,538 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:08:51,538 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 04:08:51,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:08:51 BoogieIcfgContainer [2023-12-03 04:08:51,540 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:08:51,541 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:08:51,541 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:08:51,551 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:08:51,551 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:08:51" (1/1) ... [2023-12-03 04:08:51,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:08:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:51,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 171 states and 288 transitions. [2023-12-03 04:08:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 288 transitions. [2023-12-03 04:08:51,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:08:51,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:51,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:51,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:51,623 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:51,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:08:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:52,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:52,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:08:52,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:52,209 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 04:08:52,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:08:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 173 states and 291 transitions. [2023-12-03 04:08:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-12-03 04:08:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:08:53,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:53,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:53,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:53,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:53,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:08:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:53,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:53,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:08:53,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:53,502 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 04:08:53,506 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:08:53,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:08:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 174 states and 292 transitions. [2023-12-03 04:08:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 292 transitions. [2023-12-03 04:08:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 04:08:53,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:53,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:53,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:53,731 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:53,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:08:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:54,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:08:54,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:08:54,174 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:08:54,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 173 states and 287 transitions. [2023-12-03 04:08:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 287 transitions. [2023-12-03 04:08:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:08:54,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:54,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:54,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:54,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:54,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:08:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:54,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:54,568 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 04:08:54,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 04:08:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 173 states and 279 transitions. [2023-12-03 04:08:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 279 transitions. [2023-12-03 04:08:54,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 04:08:54,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:54,584 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:54,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:08:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:55,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:55,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:55,081 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 04:08:55,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:08:55,085 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:08:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 267 transitions. [2023-12-03 04:08:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2023-12-03 04:08:55,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:08:55,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:55,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:55,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:55,099 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:55,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:08:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:55,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:55,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:08:55,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:55,807 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 04:08:55,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 04:08:57,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 173 states and 251 transitions. [2023-12-03 04:08:58,045 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 251 transitions. [2023-12-03 04:08:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:08:58,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:58,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:58,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:58,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:08:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:58,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:59,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:59,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:59,327 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 04:08:59,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:08:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 187 states and 266 transitions. [2023-12-03 04:08:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 266 transitions. [2023-12-03 04:08:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:08:59,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:59,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:59,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:59,690 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:59,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:09:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:00,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:00,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:00,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:00,483 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 04:09:00,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 04:09:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 187 states and 264 transitions. [2023-12-03 04:09:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2023-12-03 04:09:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:09:00,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:00,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:00,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:00,502 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:00,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:09:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:01,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:01,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:01,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:01,411 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 04:09:01,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:09:01,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:01,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 187 states and 262 transitions. [2023-12-03 04:09:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 262 transitions. [2023-12-03 04:09:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:09:01,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:01,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:01,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:01,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:01,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:09:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:02,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:02,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:02,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:02,679 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 04:09:02,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:09:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 190 states and 264 transitions. [2023-12-03 04:09:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 264 transitions. [2023-12-03 04:09:02,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:09:02,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:02,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:02,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:02,706 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:02,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:09:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:03,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:03,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:03,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:04,453 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 04:09:04,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:09:08,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:09,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 236 states and 320 transitions. [2023-12-03 04:09:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2023-12-03 04:09:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:09:10,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:10,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:10,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:10,390 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:10,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:09:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:11,223 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:11,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:11,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:11,623 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 04:09:11,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:09:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 236 states and 318 transitions. [2023-12-03 04:09:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2023-12-03 04:09:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:09:11,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:11,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:11,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:11,654 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:11,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:09:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:12,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:13,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:13,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:13,034 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 04:09:13,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 04:09:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:13,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 236 states and 316 transitions. [2023-12-03 04:09:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 316 transitions. [2023-12-03 04:09:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:09:13,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:13,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:13,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:13,063 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:13,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:09:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:14,001 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:14,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:14,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:14,942 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 04:09:14,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:09:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:14,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 239 states and 318 transitions. [2023-12-03 04:09:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 318 transitions. [2023-12-03 04:09:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:09:15,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:15,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:15,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:15,002 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:15,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:09:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:15,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:16,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:16,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:16,949 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 04:09:16,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:09:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:17,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 242 states and 320 transitions. [2023-12-03 04:09:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 320 transitions. [2023-12-03 04:09:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:09:17,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:17,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:17,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:17,010 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:17,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:09:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:18,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:18,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:18,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:18,691 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 04:09:18,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:09:28,728 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 04:09:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:28,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 242 states and 318 transitions. [2023-12-03 04:09:28,761 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 318 transitions. [2023-12-03 04:09:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 04:09:28,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:28,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:28,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:28,764 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:28,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:09:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:29,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:30,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:09:30,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:30,562 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 04:09:30,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 04:09:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 242 states and 317 transitions. [2023-12-03 04:09:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 317 transitions. [2023-12-03 04:09:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:09:30,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:30,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:30,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:30,598 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:30,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:09:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:31,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:32,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:32,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:32,770 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 04:09:32,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 04:09:34,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:36,209 WARN L539 Checker$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 04:09:38,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:43,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 309 states and 398 transitions. [2023-12-03 04:09:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 398 transitions. [2023-12-03 04:09:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:09:44,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:44,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:44,093 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:44,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:09:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:45,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:45,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:45,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:46,468 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 04:09:46,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:09:51,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:10:01,660 WARN L539 Checker$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 04:10:11,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:10:21,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:10:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:21,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:21,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:21,749 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:21,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:10:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:23,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:23,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:23,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:23,743 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 04:10:23,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:10:23,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:23,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:23,977 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:23,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:23,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:23,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:23,979 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:23,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:10:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:25,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:25,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:25,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:26,004 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 04:10:26,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:10:26,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:26,044 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:26,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:26,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:26,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:26,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:26,046 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:26,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:10:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:27,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:28,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:28,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:28,065 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 04:10:28,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:10:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:28,104 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:28,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:28,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:28,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:28,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:28,106 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:28,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:10:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:29,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:30,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:30,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:30,266 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 04:10:30,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:10:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:30,313 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:30,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:30,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:30,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:30,316 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:30,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:10:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:31,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:32,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:32,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:32,581 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 04:10:32,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:10:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:32,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:32,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:32,624 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:10:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:34,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:34,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:34,985 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 04:10:35,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:10:35,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:35,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:35,029 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:35,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:35,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:35,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:35,031 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:35,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:10:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:36,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:37,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:37,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:37,524 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 04:10:37,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:10:37,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:37,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:37,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:37,588 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:10:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:39,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:39,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:39,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:39,987 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 04:10:40,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:10:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:40,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:40,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:40,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:40,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:40,030 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:10:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:41,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:42,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:42,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:42,347 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 04:10:42,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:10:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:42,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:42,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:42,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:42,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:42,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:42,398 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:42,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:10:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:44,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:44,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:44,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:44,961 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 04:10:44,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:10:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:45,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:45,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:45,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:45,015 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:45,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:10:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:47,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:47,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:47,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:47,642 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 04:10:47,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:10:47,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:47,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:47,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:47,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:47,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:47,699 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:47,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:10:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:49,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:50,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:50,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:50,342 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 04:10:50,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:10:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:50,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:50,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:50,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:50,389 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:50,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:10:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:52,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:53,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:53,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:53,039 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 04:10:53,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:10:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:53,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:53,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:53,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:53,094 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:53,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:10:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:55,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:55,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:55,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:55,923 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 04:10:55,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:10:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:55,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:55,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:55,986 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:55,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:10:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:58,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:58,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:58,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:58,904 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 04:10:58,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:10:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:58,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:10:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:10:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:10:58,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:58,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:58,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:58,960 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:58,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:11:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:01,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:01,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:01,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:01,725 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 04:11:01,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:11:01,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:01,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:01,785 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:01,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:01,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:01,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:01,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:01,786 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:01,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:11:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:04,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:04,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:04,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:04,651 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 04:11:04,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:11:04,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:04,708 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:04,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:04,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:04,710 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:04,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:11:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:06,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:07,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:07,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:07,532 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 04:11:07,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:11:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:07,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:07,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:07,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:07,576 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:07,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:11:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:09,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:10,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:10,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:10,468 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 04:11:10,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:11:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:10,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:10,511 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:10,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:11:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:12,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:13,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:13,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:13,401 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 04:11:13,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 04:11:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:13,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:13,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:13,451 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:13,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:11:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:15,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:16,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:16,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:16,428 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 04:11:16,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:11:16,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:16,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:16,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:16,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:16,472 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:16,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:11:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:19,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:19,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:19,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:19,601 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 04:11:19,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-03 04:11:19,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:19,646 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:19,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:19,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:19,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:19,648 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:19,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:11:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:22,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:22,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:22,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:22,900 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 04:11:22,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:11:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:22,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:22,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:22,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:22,947 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:22,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:11:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:25,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:26,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:26,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:26,141 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 04:11:26,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 04:11:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:26,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:26,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:26,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:26,185 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:26,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:11:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:29,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:29,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:29,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:29,543 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 04:11:29,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:11:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:29,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:29,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:29,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:29,586 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:29,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:11:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:32,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:33,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:33,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:33,025 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 04:11:33,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:11:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:33,066 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:33,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:33,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:33,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:33,068 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:33,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:11:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:36,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:36,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:36,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:36,711 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 04:11:36,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:11:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:36,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:36,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:36,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:36,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:36,757 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:36,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:11:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:39,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:40,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:40,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:40,335 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 04:11:40,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:11:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:40,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:40,419 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:40,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:11:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:43,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:44,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:44,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:44,253 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 04:11:44,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:11:44,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:44,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:44,302 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:44,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:44,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:44,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:44,304 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:44,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:11:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:47,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:48,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:48,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:48,025 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 04:11:48,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:11:48,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:48,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:48,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:48,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:48,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:48,071 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:48,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:11:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:51,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:51,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:51,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:51,846 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 04:11:51,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:11:51,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:51,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:51,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:51,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:51,893 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:51,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:11:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:55,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:55,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:55,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:55,668 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 04:11:55,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:11:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:55,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:55,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:55,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:55,717 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:55,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:11:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:58,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:59,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:11:59,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:59,522 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 04:11:59,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:11:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:59,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:11:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:11:59,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:11:59,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:59,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:59,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:59,571 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:59,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:12:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:03,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:03,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:12:03,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:03,719 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 04:12:03,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:12:03,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:03,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:12:03,769 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:12:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:12:03,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:03,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:03,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:03,770 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:03,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:12:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:07,103 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:07,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:12:07,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:07,721 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 04:12:07,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:12:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 318 states and 409 transitions. [2023-12-03 04:12:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 409 transitions. [2023-12-03 04:12:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:12:07,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:07,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:07,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:07,772 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:07,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d091b13-2e26-4945-a2ef-58d4b0d0c640/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process