./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/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_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/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_e690dec0-c74f-4582-b2a7-ae8534614fc8/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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:56:07,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:56:07,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 03:56:07,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:56:07,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:56:07,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:56:07,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:56:07,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:56:07,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:56:07,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:56:07,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:56:07,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:56:07,719 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:56:07,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:56:07,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:56:07,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:56:07,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:56:07,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:56:07,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:56:07,722 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:56:07,722 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:56:07,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:56:07,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:56:07,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:56:07,729 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:56:07,729 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:56:07,730 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:56:07,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:56:07,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:56:07,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:56:07,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:56:07,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:56:07,732 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:56:07,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:56:07,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:56:07,732 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_e690dec0-c74f-4582-b2a7-ae8534614fc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 03:56:07,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:56:07,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:56:07,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:56:07,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:56:07,976 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:56:07,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-03 03:56:10,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:56:10,974 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:56:10,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-03 03:56:10,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/2a9463a8e/334dc4860ee5487da42b111d15fbdb39/FLAG1aba80000 [2023-12-03 03:56:11,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/2a9463a8e/334dc4860ee5487da42b111d15fbdb39 [2023-12-03 03:56:11,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:56:11,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:56:11,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:56:11,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:56:11,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:56:11,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c4d099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11, skipping insertion in model container [2023-12-03 03:56:11,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:56:11,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:56:11,509 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:56:11,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:56:11,636 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:56:11,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11 WrapperNode [2023-12-03 03:56:11,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:56:11,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:56:11,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:56:11,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:56:11,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,745 INFO L138 Inliner]: procedures = 177, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1464 [2023-12-03 03:56:11,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:56:11,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:56:11,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:56:11,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:56:11,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:56:11,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:56:11,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:56:11,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:56:11,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:56:11" (1/1) ... [2023-12-03 03:56:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:56:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:56:11,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:56:11,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:56:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:56:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:56:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:56:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:56:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:56:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:56:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:56:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:56:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:56:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:56:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:56:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:56:11,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:56:12,179 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:56:12,182 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:56:14,204 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:56:15,732 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:56:15,733 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 03:56:15,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:56:15 BoogieIcfgContainer [2023-12-03 03:56:15,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:56:15,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:56:15,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:56:15,745 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:56:15,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:56:15" (1/1) ... [2023-12-03 03:56:15,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:56:15,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:15,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 03:56:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 03:56:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:56:15,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:15,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:16,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 117 states and 195 transitions. [2023-12-03 03:56:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 195 transitions. [2023-12-03 03:56:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:56:16,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,131 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 03:56:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 03:56:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 03:56:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:56:16,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,259 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 03:56:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 03:56:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 03:56:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:56:16,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,352 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 03:56:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 03:56:16,360 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 03:56:16,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:56:16,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:16,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:16,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 03:56:16,507 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 03:56:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 03:56:16,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:16,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:16,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:56:16,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:16,793 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 03:56:26,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:56:36,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:56:36,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:36,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 03:56:36,986 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 03:56:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:56:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:36,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:56:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:56:37,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:56:37,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:56:37,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:56:47,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:56:57,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:07,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:17,680 WARN L539 Checker$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 03:57:27,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:37,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:48,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:58,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:57:58,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:58,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 172 states and 227 transitions. [2023-12-03 03:57:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 227 transitions. [2023-12-03 03:57:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:57:58,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:58,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:58,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:58,606 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 03:57:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 172 states and 225 transitions. [2023-12-03 03:57:58,618 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 225 transitions. [2023-12-03 03:57:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:57:58,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:58,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:58,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:57:58,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:58,952 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 03:57:58,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:57:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 223 transitions. [2023-12-03 03:57:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 223 transitions. [2023-12-03 03:57:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:57:58,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:57:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:57:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:57:59,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:57:59,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:57:59,469 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 03:58:09,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:19,551 WARN L539 Checker$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 03:58:29,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:39,619 WARN L539 Checker$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 03:58:49,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:58:59,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:09,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:19,976 WARN L539 Checker$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 03:59:20,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 225 states and 288 transitions. [2023-12-03 03:59:20,250 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 288 transitions. [2023-12-03 03:59:20,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:59:20,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:20,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:20,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:20,570 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 03:59:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:20,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 225 states and 286 transitions. [2023-12-03 03:59:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 286 transitions. [2023-12-03 03:59:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:59:20,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:20,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:20,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:20,891 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 03:59:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:20,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 225 states and 284 transitions. [2023-12-03 03:59:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 284 transitions. [2023-12-03 03:59:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:59:20,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:21,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:21,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:31,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:59:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2023-12-03 03:59:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2023-12-03 03:59:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:59:31,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:31,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:31,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:59:31,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:31,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:59:41,652 WARN L539 Checker$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 03:59:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:59:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 225 states and 280 transitions. [2023-12-03 03:59:41,719 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 280 transitions. [2023-12-03 03:59:41,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:59:41,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:59:41,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:59:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:59:42,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:59:42,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:59:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:59:52,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:02,241 WARN L539 Checker$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 04:00:12,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:22,300 WARN L539 Checker$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 04:00:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:00:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 228 states and 282 transitions. [2023-12-03 04:00:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 282 transitions. [2023-12-03 04:00:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:00:22,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:00:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:00:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:00:22,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:00:22,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:00:22,889 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 04:00:32,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:00:43,027 WARN L539 Checker$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 04:00:53,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:03,085 WARN L539 Checker$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 04:01:13,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:23,400 WARN L539 Checker$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 04:01:33,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:01:43,463 WARN L539 Checker$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 04:01:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 267 states and 330 transitions. [2023-12-03 04:01:43,505 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 330 transitions. [2023-12-03 04:01:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:01:43,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:43,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:01:43,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:43,817 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 04:01:43,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:01:43,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 267 states and 328 transitions. [2023-12-03 04:01:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 328 transitions. [2023-12-03 04:01:43,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:01:43,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:01:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:01:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:01:44,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:01:44,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:01:44,259 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 04:01:54,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:04,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:14,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:24,368 WARN L539 Checker$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 04:02:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 270 states and 330 transitions. [2023-12-03 04:02:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 330 transitions. [2023-12-03 04:02:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:02:24,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:24,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:02:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:24,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:02:24,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:24,823 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 04:02:34,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:02:44,884 WARN L539 Checker$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 04:02:54,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:04,981 WARN L539 Checker$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 04:03:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 273 states and 332 transitions. [2023-12-03 04:03:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 332 transitions. [2023-12-03 04:03:05,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:03:05,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:05,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:05,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:03:05,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:05,452 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 04:03:15,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:25,498 WARN L539 Checker$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 04:03:35,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:03:45,627 WARN L539 Checker$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 04:03:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:45,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 276 states and 334 transitions. [2023-12-03 04:03:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 334 transitions. [2023-12-03 04:03:45,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:03:45,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:45,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:03:45,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:45,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:03:45,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:46,136 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 04:03:56,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:06,216 WARN L539 Checker$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 04:04:16,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:26,264 WARN L539 Checker$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 04:04:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 279 states and 336 transitions. [2023-12-03 04:04:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 336 transitions. [2023-12-03 04:04:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 04:04:26,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:26,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:04:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:26,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:04:26,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:26,785 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 04:04:36,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:46,842 WARN L539 Checker$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 04:04:56,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:06,906 WARN L539 Checker$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 04:05:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 282 states and 338 transitions. [2023-12-03 04:05:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 338 transitions. [2023-12-03 04:05:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:05:06,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:06,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:07,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:05:07,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:07,346 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 04:05:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:07,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 282 states and 337 transitions. [2023-12-03 04:05:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 337 transitions. [2023-12-03 04:05:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:05:07,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:07,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:07,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:07,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:07,820 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 04:05:07,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 291 states and 347 transitions. [2023-12-03 04:05:07,869 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 347 transitions. [2023-12-03 04:05:07,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 04:05:07,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:08,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:08,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:08,359 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 04:05:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 300 states and 358 transitions. [2023-12-03 04:05:08,963 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 358 transitions. [2023-12-03 04:05:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:05:08,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:09,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:09,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:09,383 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 04:05:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 309 states and 368 transitions. [2023-12-03 04:05:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 368 transitions. [2023-12-03 04:05:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:05:09,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:09,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:09,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:09,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:09,888 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 04:05:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 318 states and 378 transitions. [2023-12-03 04:05:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 378 transitions. [2023-12-03 04:05:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 04:05:09,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:10,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:10,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:10,402 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 04:05:10,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 327 states and 389 transitions. [2023-12-03 04:05:10,680 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 389 transitions. [2023-12-03 04:05:10,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:05:10,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:10,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:11,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:11,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:11,077 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 04:05:11,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 336 states and 399 transitions. [2023-12-03 04:05:11,147 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 399 transitions. [2023-12-03 04:05:11,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 04:05:11,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:11,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:11,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:05:11,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:11,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:05:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 337 states and 401 transitions. [2023-12-03 04:05:12,147 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 401 transitions. [2023-12-03 04:05:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:05:12,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:12,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:12,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:12,531 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 04:05:22,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:32,818 WARN L539 Checker$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 04:05:42,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:05:52,885 WARN L539 Checker$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 04:05:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 351 states and 418 transitions. [2023-12-03 04:05:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 418 transitions. [2023-12-03 04:05:52,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:05:52,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:53,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:53,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:53,451 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 04:05:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:53,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 360 states and 428 transitions. [2023-12-03 04:05:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 428 transitions. [2023-12-03 04:05:53,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:05:53,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:53,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:05:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:53,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:05:53,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:53,985 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 04:06:04,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:14,028 WARN L539 Checker$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 04:06:24,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:34,097 WARN L539 Checker$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 04:06:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 363 states and 430 transitions. [2023-12-03 04:06:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 430 transitions. [2023-12-03 04:06:34,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 04:06:34,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:34,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:06:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:06:44,492 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 04:06:44,495 INFO L158 Benchmark]: Toolchain (without parser) took 633484.11ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 122.6MB in the beginning and 62.8MB in the end (delta: 59.8MB). Peak memory consumption was 165.5MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,495 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 109.1MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:06:44,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.88ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 88.2MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.30ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 78.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,497 INFO L158 Benchmark]: Boogie Preprocessor took 121.68ms. Allocated memory is still 157.3MB. Free memory was 78.7MB in the beginning and 68.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,497 INFO L158 Benchmark]: RCFGBuilder took 3865.42ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 68.8MB in the beginning and 104.2MB in the end (delta: -35.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,498 INFO L158 Benchmark]: CodeCheck took 628759.30ms. Allocated memory is still 260.0MB. Free memory was 104.2MB in the beginning and 62.8MB in the end (delta: 41.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-12-03 04:06:44,500 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 0.15ms. Allocated memory is still 109.1MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.88ms. Allocated memory is still 157.3MB. Free memory was 122.6MB in the beginning and 88.2MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.30ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 78.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.68ms. Allocated memory is still 157.3MB. Free memory was 78.7MB in the beginning and 68.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3865.42ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 68.8MB in the beginning and 104.2MB in the end (delta: -35.4MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. * CodeCheck took 628759.30ms. Allocated memory is still 260.0MB. Free memory was 104.2MB in the beginning and 62.8MB in the end (delta: 41.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:06:44,708 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:06:44,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/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_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/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_e690dec0-c74f-4582-b2a7-ae8534614fc8/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 ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:06:46,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:06:46,497 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:06:46,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:06:46,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:06:46,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:06:46,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:06:46,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:06:46,534 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:06:46,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:06:46,535 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:06:46,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:06:46,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:06:46,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:06:46,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:06:46,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:06:46,538 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:06:46,538 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:06:46,539 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:06:46,539 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:06:46,540 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:06:46,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:06:46,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:06:46,542 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:06:46,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:06:46,543 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:06:46,543 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:06:46,544 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:46,544 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:06:46,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:06:46,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:06:46,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:06:46,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:06:46,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:06:46,547 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:06:46,547 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:46,547 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:06:46,547 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:06:46,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:06:46,548 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_e690dec0-c74f-4582-b2a7-ae8534614fc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee90c95792b81649f087e170ece38fbab8d5281ca8435570782565b7b775a87f [2023-12-03 04:06:46,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:06:46,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:06:46,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:06:46,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:06:46,856 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:06:46,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-03 04:06:49,627 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:06:49,931 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:06:49,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-1.i [2023-12-03 04:06:49,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/c7d09e35b/6ce89684b5744189b5628acbb5ed34ca/FLAG37a44f361 [2023-12-03 04:06:49,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/data/c7d09e35b/6ce89684b5744189b5628acbb5ed34ca [2023-12-03 04:06:49,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:06:49,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:06:49,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:06:49,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:06:49,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:06:49,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:06:49" (1/1) ... [2023-12-03 04:06:49,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9db4a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:49, skipping insertion in model container [2023-12-03 04:06:49,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:06:49" (1/1) ... [2023-12-03 04:06:50,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:06:50,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:06:50,561 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:06:50,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:06:50,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:06:50,699 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:06:50,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:06:50,807 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:06:50,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50 WrapperNode [2023-12-03 04:06:50,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:06:50,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:06:50,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:06:50,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:06:50,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,909 INFO L138 Inliner]: procedures = 180, calls = 340, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1127 [2023-12-03 04:06:50,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:06:50,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:06:50,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:06:50,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:06:50,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:50,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:51,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:51,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:51,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:51,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:06:51,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:06:51,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:06:51,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:06:51,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:06:50" (1/1) ... [2023-12-03 04:06:51,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:06:51,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:06:51,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:06:51,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:06:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:06:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:06:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:06:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:06:51,307 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:06:51,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:07:19,068 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:07:19,506 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:07:19,506 INFO L309 CfgBuilder]: Removed 60 assume(true) statements. [2023-12-03 04:07:19,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:19 BoogieIcfgContainer [2023-12-03 04:07:19,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:07:19,508 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:07:19,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:07:19,516 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:07:19,516 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:07:19" (1/1) ... [2023-12-03 04:07:19,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:07:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 196 transitions. [2023-12-03 04:07:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2023-12-03 04:07:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:07:19,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:19,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:19,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:19,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:07:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:20,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:20,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:07:20,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:20,125 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 04:07:20,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 200 transitions. [2023-12-03 04:07:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2023-12-03 04:07:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 04:07:20,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:20,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:20,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:20,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:07:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:21,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:21,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:07:21,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:21,404 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 04:07:21,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:07:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 121 states and 201 transitions. [2023-12-03 04:07:21,639 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 201 transitions. [2023-12-03 04:07:21,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:07:21,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:21,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:21,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:21,641 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:21,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:07:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:21,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:22,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:22,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:22,030 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 04:07:22,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:07:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 120 states and 196 transitions. [2023-12-03 04:07:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2023-12-03 04:07:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:07:22,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:22,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:22,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:22,047 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:22,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:07:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:22,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:22,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:22,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:22,395 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 04:07:22,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:07:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 120 states and 188 transitions. [2023-12-03 04:07:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-03 04:07:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:07:22,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:22,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:22,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:22,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:22,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:07:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:22,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:22,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:22,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:22,861 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 04:07:22,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:07:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2023-12-03 04:07:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2023-12-03 04:07:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:07:22,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:22,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:22,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:22,879 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:22,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:07:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:23,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:23,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:23,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:23,495 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 04:07:23,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:07:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 120 states and 164 transitions. [2023-12-03 04:07:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 164 transitions. [2023-12-03 04:07:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:07:24,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:24,702 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:07:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:25,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:25,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:25,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:25,835 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 04:07:25,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:25,841 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:07:26,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:26,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 134 states and 180 transitions. [2023-12-03 04:07:26,270 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 180 transitions. [2023-12-03 04:07:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:07:26,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:26,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:26,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:26,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:26,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:07:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:26,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:27,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:27,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:27,094 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 04:07:27,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:07:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 134 states and 178 transitions. [2023-12-03 04:07:27,111 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 178 transitions. [2023-12-03 04:07:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:07:27,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:27,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:27,114 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:27,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:07:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:27,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:28,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:28,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:28,009 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 04:07:28,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 134 states and 176 transitions. [2023-12-03 04:07:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 176 transitions. [2023-12-03 04:07:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 04:07:28,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:28,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:28,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:28,025 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:28,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:07:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:28,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:28,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:28,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:28,982 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 04:07:28,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:07:28,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 134 states and 174 transitions. [2023-12-03 04:07:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 174 transitions. [2023-12-03 04:07:28,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 04:07:28,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:28,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:28,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:28,999 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:29,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:07:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:29,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:29,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:29,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:30,200 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 04:07:30,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:07:30,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:30,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 137 states and 176 transitions. [2023-12-03 04:07:30,225 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 176 transitions. [2023-12-03 04:07:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:07:30,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:30,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:30,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:30,228 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:30,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:07:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:31,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:31,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:31,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:31,985 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 04:07:31,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:07:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 183 states and 233 transitions. [2023-12-03 04:07:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 233 transitions. [2023-12-03 04:07:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 04:07:33,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:33,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:33,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:33,791 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:33,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:07:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:34,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:34,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:34,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:35,002 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 04:07:35,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:07:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 183 states and 231 transitions. [2023-12-03 04:07:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 231 transitions. [2023-12-03 04:07:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 04:07:35,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:35,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:35,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:07:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:35,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:36,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:36,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:36,313 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 04:07:36,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:07:36,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:36,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 183 states and 229 transitions. [2023-12-03 04:07:36,351 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 229 transitions. [2023-12-03 04:07:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 04:07:36,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:36,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:36,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:36,354 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:36,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:07:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:37,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:37,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:37,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:37,695 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 04:07:37,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:07:37,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:37,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 183 states and 227 transitions. [2023-12-03 04:07:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 227 transitions. [2023-12-03 04:07:37,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:07:37,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:37,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:37,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:37,727 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:37,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:07:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:38,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:39,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:39,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:39,610 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 04:07:39,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 186 states and 229 transitions. [2023-12-03 04:07:39,666 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions. [2023-12-03 04:07:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:07:39,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:39,668 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:07:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:40,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:41,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:41,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:41,166 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 04:07:41,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:07:51,209 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 04:07:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 186 states and 227 transitions. [2023-12-03 04:07:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 227 transitions. [2023-12-03 04:07:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:07:51,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:51,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:51,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:51,239 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:51,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:07:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:52,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:52,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:52,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:53,302 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 04:07:53,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:07:53,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 189 states and 229 transitions. [2023-12-03 04:07:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 229 transitions. [2023-12-03 04:07:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:07:53,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:53,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:53,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:53,363 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:53,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:07:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:54,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:55,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:07:55,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:55,029 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 04:07:55,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 04:07:55,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:55,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 189 states and 228 transitions. [2023-12-03 04:07:55,063 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 228 transitions. [2023-12-03 04:07:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:07:55,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:55,065 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:55,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:07:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:56,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:07:56,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:57,506 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 04:07:57,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:08:07,580 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 04:08:17,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:21,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:31,257 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 04:08:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 198 states and 239 transitions. [2023-12-03 04:08:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 239 transitions. [2023-12-03 04:08:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:08:31,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:31,303 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:08:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:32,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:33,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:33,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:33,525 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 04:08:33,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:08:37,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:40,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:41,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:42,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:42,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:42,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:42,281 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:42,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:08:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:43,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:44,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:44,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:44,364 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 04:08:44,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:08:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:44,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:44,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:44,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:44,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:44,580 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:44,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:08:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:45,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:46,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:46,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:46,479 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 04:08:46,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:08:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:46,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:46,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:46,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:46,520 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:46,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:08:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:48,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:48,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:48,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:48,666 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 04:08:48,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:08:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:48,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:48,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:48,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:48,708 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:48,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:08:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:50,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:50,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:50,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:50,805 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 04:08:50,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 04:08:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:50,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:50,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:50,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:50,851 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:50,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:08:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:52,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:53,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:53,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:53,080 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 04:08:53,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:08:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:53,123 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:53,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:53,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:53,125 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:53,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:08:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,548 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:55,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:55,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:55,111 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 04:08:55,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:08:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:55,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:55,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:55,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:55,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:55,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:55,155 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:55,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:08:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:56,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:57,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:08:57,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:57,546 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 04:08:57,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:08:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:08:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:08:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:08:57,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:57,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:57,599 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:57,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:08:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:59,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:00,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:00,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:00,042 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 04:09:00,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:09:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:00,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:00,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:00,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:00,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:00,089 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:00,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:09:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:02,016 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:02,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:02,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:02,632 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 04:09:02,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:09:02,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:02,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:02,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:02,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:02,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:02,688 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:02,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:09:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:04,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:05,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:05,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:05,292 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 04:09:05,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:09:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:05,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:05,337 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:05,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:05,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:05,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:05,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:05,339 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:05,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:09:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:07,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:08,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:08,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:08,169 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 04:09:08,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:09:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:08,219 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:08,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:08,221 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:08,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:09:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:10,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:10,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:10,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:10,907 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 04:09:10,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:09:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:10,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:10,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:10,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:10,984 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:10,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:09:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:13,208 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:13,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:13,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:13,763 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 04:09:13,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:09:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:13,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:13,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:13,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:13,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:13,817 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:13,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:09:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:16,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:16,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:16,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:16,565 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 04:09:16,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:09:16,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:16,618 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:16,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:16,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:16,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:16,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:16,620 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:16,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:09:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:18,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:19,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:19,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:19,414 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 04:09:19,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:09:19,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:19,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:19,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:19,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:19,470 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:19,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:09:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:21,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:22,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:22,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:22,319 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 04:09:22,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:09:22,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:22,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:22,382 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:22,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:22,384 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:22,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:09:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:24,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:25,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:25,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:25,458 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 04:09:25,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:09:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:25,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:25,498 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:25,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:25,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:25,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:25,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:25,500 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:25,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:09:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:27,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:28,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:28,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:28,422 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 04:09:28,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:09:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:28,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:28,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:28,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:28,464 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:28,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:09:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:30,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:31,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:31,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:31,274 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 04:09:31,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:09:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:31,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:31,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:31,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:31,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:31,315 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:31,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:09:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:33,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:34,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:34,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:34,218 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 04:09:34,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:09:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:34,257 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:34,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:34,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:34,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:34,259 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:34,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:09:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:37,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:37,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:37,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:37,545 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 04:09:37,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:09:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:37,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:37,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:37,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:37,589 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:37,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:09:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:40,256 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:40,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:40,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:09:40,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:09:40,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:40,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:40,839 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:40,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:40,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:40,841 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:40,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:09:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:43,654 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:44,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:44,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:44,237 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 04:09:44,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:09:44,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:44,279 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:44,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:44,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:44,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:44,280 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:44,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:09:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:46,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:47,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:47,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:47,409 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 04:09:47,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:09:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:47,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:47,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:47,454 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:47,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:09:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:50,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:50,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:50,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:50,655 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 04:09:50,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-03 04:09:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:50,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:50,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:50,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:50,699 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:50,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:09:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:53,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:54,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:54,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:54,054 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 04:09:54,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:09:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:54,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:54,098 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:54,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:54,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:54,100 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:54,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:09:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:57,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:57,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:09:57,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:09:57,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:09:57,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:09:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:09:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:09:57,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:57,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:57,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:57,842 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:57,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:10:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:00,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:01,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:01,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:01,278 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 04:10:01,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:10:01,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:01,334 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:01,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:01,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:01,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:01,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:01,336 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:01,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:10:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:04,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:05,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:05,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:05,033 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 04:10:05,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:10:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:05,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:05,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:05,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:05,079 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:05,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:10:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:08,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:08,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:08,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:08,767 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 04:10:08,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:10:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:08,813 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:08,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:08,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:08,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:08,814 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:08,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:10:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:12,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:12,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:12,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:12,811 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 04:10:12,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:10:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:12,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:12,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:12,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:12,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:12,860 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:12,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:10:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:16,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:16,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:16,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:16,664 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 04:10:16,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:10:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:16,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:16,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:16,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:16,714 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:16,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:10:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:20,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:20,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:20,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:20,667 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 04:10:20,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:10:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:20,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:20,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:20,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:20,741 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:20,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:10:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:24,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:24,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:24,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:24,648 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 04:10:24,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:10:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:24,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:24,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:24,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:24,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:24,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:24,699 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:10:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:27,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:28,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:28,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:28,415 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 04:10:28,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:10:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:28,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:28,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:28,465 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:10:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:32,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:32,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:10:32,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:32,917 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 04:10:32,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:10:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 265 states and 320 transitions. [2023-12-03 04:10:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 320 transitions. [2023-12-03 04:10:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:10:32,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:32,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:32,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:32,970 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:32,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e690dec0-c74f-4582-b2a7-ae8534614fc8/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process