./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/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_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/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_818d984f-439c-4976-9408-6f288a4f6ac0/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:07:53,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:07:53,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:07:53,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:07:53,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:07:53,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:07:53,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:07:53,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:07:53,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:07:53,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:07:53,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:07:53,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:07:53,984 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:07:53,984 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:07:53,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:07:53,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:07:53,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:07:53,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:07:53,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:07:53,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:07:53,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:07:53,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:07:53,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:07:53,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:07:53,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:07:53,991 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:07:53,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:07:53,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:07:53,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:53,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:07:53,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:07:53,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:07:53,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:07:53,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:07:53,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:07:53,994 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_818d984f-439c-4976-9408-6f288a4f6ac0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 21:07:54,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:07:54,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:07:54,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:07:54,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:07:54,239 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:07:54,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 21:07:57,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:07:57,286 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:07:57,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 21:07:57,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/6126c82c0/c87c0345197046fe89a58b930bc33c6f/FLAG8a8323ead [2023-12-02 21:07:57,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/6126c82c0/c87c0345197046fe89a58b930bc33c6f [2023-12-02 21:07:57,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:07:57,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:07:57,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:57,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:07:57,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:07:57,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:57" (1/1) ... [2023-12-02 21:07:57,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3ac664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:57, skipping insertion in model container [2023-12-02 21:07:57,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:07:57" (1/1) ... [2023-12-02 21:07:57,413 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:07:57,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:57,939 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:07:58,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:07:58,092 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:07:58,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58 WrapperNode [2023-12-02 21:07:58,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:07:58,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:58,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:07:58,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:07:58,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,209 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1777 [2023-12-02 21:07:58,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:07:58,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:07:58,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:07:58,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:07:58,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:07:58,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:07:58,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:07:58,335 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:07:58,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:07:58" (1/1) ... [2023-12-02 21:07:58,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:07:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:07:58,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:07:58,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:07:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:07:58,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:07:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 21:07:58,397 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 21:07:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:07:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:07:58,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:07:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:07:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:07:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:07:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:07:58,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:07:58,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:07:58,623 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:07:58,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:08:00,271 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:08:01,743 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:08:01,743 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 21:08:01,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:01 BoogieIcfgContainer [2023-12-02 21:08:01,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:08:01,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:08:01,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:08:01,755 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:08:01,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:01" (1/1) ... [2023-12-02 21:08:01,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:08:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-12-02 21:08:01,848 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-12-02 21:08:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:08:01,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:01,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2023-12-02 21:08:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2023-12-02 21:08:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:08:02,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:02,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-12-02 21:08:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-12-02 21:08:02,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:08:02,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:02,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:02,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:02,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:02,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-12-02 21:08:02,304 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-12-02 21:08:02,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:08:02,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:02,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:02,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-12-02 21:08:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-12-02 21:08:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:08:02,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:02,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:02,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-12-02 21:08:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-12-02 21:08:02,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:08:02,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:02,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:02,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:08:02,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:12,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:22,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:22,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-02 21:08:22,990 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-02 21:08:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:08:22,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:08:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:23,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:08:23,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:23,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:08:33,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:43,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:53,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:03,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:13,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:23,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:33,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:43,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:09:44,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:44,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 200 states and 276 transitions. [2023-12-02 21:09:44,158 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 276 transitions. [2023-12-02 21:09:44,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:09:44,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:44,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:09:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:44,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:09:44,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:09:44,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:44,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 200 states and 274 transitions. [2023-12-02 21:09:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 274 transitions. [2023-12-02 21:09:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:09:44,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:09:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:44,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:09:44,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:09:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 200 states and 272 transitions. [2023-12-02 21:09:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 272 transitions. [2023-12-02 21:09:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:09:44,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:44,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:09:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:45,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:09:45,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:09:55,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:05,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:15,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:25,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:35,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:45,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:10:55,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:05,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 253 states and 337 transitions. [2023-12-02 21:11:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 337 transitions. [2023-12-02 21:11:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:11:06,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:06,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:06,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:11:06,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:11:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 253 states and 335 transitions. [2023-12-02 21:11:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 335 transitions. [2023-12-02 21:11:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:11:06,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:06,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:11:06,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:11:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 253 states and 333 transitions. [2023-12-02 21:11:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 333 transitions. [2023-12-02 21:11:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:11:06,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:06,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:07,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:11:07,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:11:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:17,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:17,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 253 states and 331 transitions. [2023-12-02 21:11:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 331 transitions. [2023-12-02 21:11:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:11:17,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:17,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:17,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:11:17,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:11:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:11:27,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:11:27,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 253 states and 329 transitions. [2023-12-02 21:11:27,788 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2023-12-02 21:11:27,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:11:27,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:11:27,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:11:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:11:28,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:11:28,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:11:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:11:38,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:48,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:11:58,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:08,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:08,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:12:08,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 256 states and 331 transitions. [2023-12-02 21:12:08,431 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 331 transitions. [2023-12-02 21:12:08,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:12:08,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:12:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:12:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:12:08,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:12:08,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:12:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:12:19,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:29,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:39,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:49,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:12:59,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:09,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:19,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:29,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:13:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 295 states and 379 transitions. [2023-12-02 21:13:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 379 transitions. [2023-12-02 21:13:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:13:29,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:13:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:13:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:13:29,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:13:29,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:13:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:13:39,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:49,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:13:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:10,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:10,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:14:10,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 298 states and 381 transitions. [2023-12-02 21:14:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 381 transitions. [2023-12-02 21:14:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:14:10,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:14:10,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:14:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:14:10,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:14:10,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:14:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:14:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:14:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 298 states and 379 transitions. [2023-12-02 21:14:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 379 transitions. [2023-12-02 21:14:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:14:10,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:14:10,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:14:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:14:10,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:14:10,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:14:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:14:20,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:30,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:40,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:51,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:14:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:14:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 301 states and 381 transitions. [2023-12-02 21:14:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 381 transitions. [2023-12-02 21:14:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:14:51,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:14:51,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:14:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:14:51,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:14:51,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:14:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:15:01,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:15:11,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:15:21,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:15:31,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:15:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:15:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 304 states and 383 transitions. [2023-12-02 21:15:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 383 transitions. [2023-12-02 21:15:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:15:31,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:15:31,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:15:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:15:31,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:15:31,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:15:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:15:42,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:15:52,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:02,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:12,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 307 states and 385 transitions. [2023-12-02 21:16:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 385 transitions. [2023-12-02 21:16:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:16:12,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:12,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:12,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:16:12,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:16:22,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:32,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:42,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:52,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:16:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:53,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 310 states and 387 transitions. [2023-12-02 21:16:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 387 transitions. [2023-12-02 21:16:53,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 21:16:53,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:53,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:53,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:16:53,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 310 states and 386 transitions. [2023-12-02 21:16:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 386 transitions. [2023-12-02 21:16:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:16:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:53,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:53,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:53,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:53,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:16:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 319 states and 396 transitions. [2023-12-02 21:16:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 396 transitions. [2023-12-02 21:16:53,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:16:53,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:53,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:54,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:54,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:54,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 328 states and 407 transitions. [2023-12-02 21:16:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 407 transitions. [2023-12-02 21:16:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:16:54,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:54,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:55,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:55,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:55,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:16:55,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:55,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 337 states and 417 transitions. [2023-12-02 21:16:55,178 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 417 transitions. [2023-12-02 21:16:55,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:16:55,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:55,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:55,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:55,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:55,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:16:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 346 states and 427 transitions. [2023-12-02 21:16:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 427 transitions. [2023-12-02 21:16:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:16:55,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:55,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:56,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:56,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:16:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 355 states and 438 transitions. [2023-12-02 21:16:56,641 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 438 transitions. [2023-12-02 21:16:56,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:16:56,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:56,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:56,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:56,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:57,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:16:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 364 states and 448 transitions. [2023-12-02 21:16:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 448 transitions. [2023-12-02 21:16:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:16:57,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:57,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:57,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:16:57,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:16:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 365 states and 450 transitions. [2023-12-02 21:16:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 450 transitions. [2023-12-02 21:16:58,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:16:58,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:16:58,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:16:58,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:16:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:17:09,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:17:19,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:17:29,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:17:39,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:17:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 379 states and 467 transitions. [2023-12-02 21:17:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 467 transitions. [2023-12-02 21:17:39,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:17:39,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:39,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:17:39,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:17:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:39,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 388 states and 477 transitions. [2023-12-02 21:17:39,794 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 477 transitions. [2023-12-02 21:17:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:17:39,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:39,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:40,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:17:40,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:17:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:17:50,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:00,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:10,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:20,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:20,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 391 states and 479 transitions. [2023-12-02 21:18:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 479 transitions. [2023-12-02 21:18:20,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:18:20,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:20,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:18:31,029 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) [2023-12-02 21:18:31,032 INFO L158 Benchmark]: Toolchain (without parser) took 633707.17ms. Allocated memory was 151.0MB in the beginning and 253.8MB in the end (delta: 102.8MB). Free memory was 106.9MB in the beginning and 92.8MB in the end (delta: 14.1MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,032 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:18:31,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 766.73ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 108.6MB in the end (delta: -2.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.41ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 98.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,033 INFO L158 Benchmark]: Boogie Preprocessor took 123.03ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 85.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,033 INFO L158 Benchmark]: RCFGBuilder took 3410.65ms. Allocated memory was 151.0MB in the beginning and 253.8MB in the end (delta: 102.8MB). Free memory was 85.6MB in the beginning and 92.1MB in the end (delta: -6.5MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,034 INFO L158 Benchmark]: CodeCheck took 629285.62ms. Allocated memory is still 253.8MB. Free memory was 92.1MB in the beginning and 92.8MB in the end (delta: -726.5kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-12-02 21:18:31,035 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 0.19ms. Allocated memory is still 104.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 766.73ms. Allocated memory is still 151.0MB. Free memory was 106.5MB in the beginning and 108.6MB in the end (delta: -2.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.41ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 98.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.03ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 85.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3410.65ms. Allocated memory was 151.0MB in the beginning and 253.8MB in the end (delta: 102.8MB). Free memory was 85.6MB in the beginning and 92.1MB in the end (delta: -6.5MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. * CodeCheck took 629285.62ms. Allocated memory is still 253.8MB. Free memory was 92.1MB in the beginning and 92.8MB in the end (delta: -726.5kB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:18:31,244 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:18:31,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/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_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/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_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/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_818d984f-439c-4976-9408-6f288a4f6ac0/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:18:32,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:18:33,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 21:18:33,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:18:33,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:18:33,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:18:33,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:18:33,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:18:33,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:18:33,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:18:33,059 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:18:33,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:18:33,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:18:33,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:18:33,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:18:33,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:18:33,062 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:18:33,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:18:33,063 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:18:33,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:18:33,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:18:33,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:18:33,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:18:33,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:18:33,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:18:33,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:18:33,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:18:33,067 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:18:33,067 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:18:33,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:18:33,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:33,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:18:33,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:18:33,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:18:33,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:18:33,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:18:33,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:18:33,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:18:33,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:18:33,070 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_818d984f-439c-4976-9408-6f288a4f6ac0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-02 21:18:33,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:18:33,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:18:33,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:18:33,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:18:33,364 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:18:33,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 21:18:36,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:18:36,414 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:18:36,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_nondet_test4-3.i [2023-12-02 21:18:36,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/00b57825c/715093878f9b4486bb2efae0a0aad28a/FLAG5719fd659 [2023-12-02 21:18:36,448 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/data/00b57825c/715093878f9b4486bb2efae0a0aad28a [2023-12-02 21:18:36,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:18:36,453 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:18:36,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:36,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:18:36,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:18:36,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:36" (1/1) ... [2023-12-02 21:18:36,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e33d2f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:36, skipping insertion in model container [2023-12-02 21:18:36,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:18:36" (1/1) ... [2023-12-02 21:18:36,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:18:37,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:37,097 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:18:37,110 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:18:37,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:37,192 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:18:37,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:18:37,318 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:18:37,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37 WrapperNode [2023-12-02 21:18:37,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:18:37,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:37,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:18:37,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:18:37,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,431 INFO L138 Inliner]: procedures = 180, calls = 439, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1426 [2023-12-02 21:18:37,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:18:37,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:18:37,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:18:37,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:18:37,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:18:37,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:18:37,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:18:37,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:18:37,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:18:37" (1/1) ... [2023-12-02 21:18:37,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:37,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:18:37,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:18:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:18:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 21:18:37,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 21:18:37,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:18:37,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:18:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:18:37,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:18:37,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:18:37,867 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:18:37,869 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:19:08,910 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:19:09,530 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:19:09,530 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-02 21:19:09,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:09 BoogieIcfgContainer [2023-12-02 21:19:09,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:19:09,533 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:19:09,533 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:19:09,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:19:09,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:19:09" (1/1) ... [2023-12-02 21:19:09,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:19:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:09,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2023-12-02 21:19:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2023-12-02 21:19:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:19:09,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:09,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:09,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:09,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:09,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:19:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:10,053 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:10,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:19:10,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:10,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 148 states and 249 transitions. [2023-12-02 21:19:11,033 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-12-02 21:19:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 21:19:11,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:11,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:11,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:11,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:11,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:19:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:11,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:11,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:19:11,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:11,471 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:19:11,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:19:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 149 states and 250 transitions. [2023-12-02 21:19:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 250 transitions. [2023-12-02 21:19:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:19:11,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:11,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:11,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:11,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:19:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:11,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:12,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:12,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:12,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:19:12,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:12,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-12-02 21:19:12,102 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-12-02 21:19:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:19:12,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:12,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:12,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:12,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:12,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:19:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:12,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:12,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:12,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:12,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:19:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 148 states and 237 transitions. [2023-12-02 21:19:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 237 transitions. [2023-12-02 21:19:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:19:12,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:12,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:12,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:12,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:19:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:12,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:13,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:13,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:13,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:13,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:19:13,090 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:19:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-12-02 21:19:13,101 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-12-02 21:19:13,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:19:13,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:13,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:13,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:13,105 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:13,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:19:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:13,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:13,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:13,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:13,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:19:15,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:19:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 148 states and 213 transitions. [2023-12-02 21:19:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 213 transitions. [2023-12-02 21:19:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:19:16,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:16,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:16,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:19:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:16,796 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:17,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:17,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:17,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:19:17,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:17,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 162 states and 229 transitions. [2023-12-02 21:19:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 229 transitions. [2023-12-02 21:19:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:19:17,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:17,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:17,910 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:17,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:19:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:18,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:18,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:18,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:18,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:19:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 162 states and 227 transitions. [2023-12-02 21:19:18,802 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2023-12-02 21:19:18,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:19:18,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:18,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:18,806 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:18,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:19:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:19,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:19,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:19,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:19,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:19:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 162 states and 225 transitions. [2023-12-02 21:19:19,707 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 225 transitions. [2023-12-02 21:19:19,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:19:19,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:19,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:19,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:19,709 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:19,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:19:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:20,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:20,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:20,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:20,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:19:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 162 states and 223 transitions. [2023-12-02 21:19:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 223 transitions. [2023-12-02 21:19:20,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:19:20,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:20,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:20,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:20,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:20,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:19:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:21,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:21,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:21,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:19:22,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:19:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 165 states and 225 transitions. [2023-12-02 21:19:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2023-12-02 21:19:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:19:22,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:22,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:22,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:22,065 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:22,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:19:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:22,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:23,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:23,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:23,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:19:23,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:19:26,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:19:27,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:19:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 211 states and 282 transitions. [2023-12-02 21:19:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 282 transitions. [2023-12-02 21:19:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:19:28,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:28,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:28,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:28,758 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:28,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:19:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:29,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:30,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:30,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:19:30,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:19:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 211 states and 280 transitions. [2023-12-02 21:19:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 280 transitions. [2023-12-02 21:19:30,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:19:30,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:30,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:30,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:30,066 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:30,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:19:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:30,930 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:31,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:31,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:19:31,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 211 states and 278 transitions. [2023-12-02 21:19:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 278 transitions. [2023-12-02 21:19:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:19:31,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:31,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:31,363 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:31,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:19:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:32,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:32,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:32,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:19:32,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:19:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 211 states and 276 transitions. [2023-12-02 21:19:32,727 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 276 transitions. [2023-12-02 21:19:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:19:32,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:32,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:32,729 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:19:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:33,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:34,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:34,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:19:34,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:19:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 214 states and 278 transitions. [2023-12-02 21:19:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 278 transitions. [2023-12-02 21:19:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:19:34,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:34,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:34,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:34,756 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:34,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:19:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:35,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:36,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:36,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:19:36,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:19:44,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:19:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 276 transitions. [2023-12-02 21:19:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 276 transitions. [2023-12-02 21:19:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:19:44,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:44,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:44,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:44,420 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:44,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:19:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:45,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:45,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:45,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:19:46,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-02 21:19:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:46,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 217 states and 278 transitions. [2023-12-02 21:19:46,522 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 278 transitions. [2023-12-02 21:19:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 21:19:46,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:46,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:46,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:46,524 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:19:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:47,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:48,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:19:48,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:19:48,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:19:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 217 states and 277 transitions. [2023-12-02 21:19:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 277 transitions. [2023-12-02 21:19:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:19:48,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:48,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:48,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:19:48,485 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:19:48,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:19:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:49,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:19:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:50,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:19:50,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:19:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:19:50,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:20:00,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:11,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:21,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:28,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:28,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 226 states and 288 transitions. [2023-12-02 21:20:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 288 transitions. [2023-12-02 21:20:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:20:28,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:28,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:28,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:28,113 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:28,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:20:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:29,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:30,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 724 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:30,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 21:20:30,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:20:33,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:37,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:20:41,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:41,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:41,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:41,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:41,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:41,262 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:41,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:20:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:42,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:43,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:43,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:43,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:20:43,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:43,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:43,629 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:43,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:43,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:43,631 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:43,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:20:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:45,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:45,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:45,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:45,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:20:45,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:45,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:45,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:45,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:45,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:45,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:45,751 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:45,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:20:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:47,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:47,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:47,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:47,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:20:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:47,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:47,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:47,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:47,791 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:47,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:20:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:49,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:49,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:49,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:49,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:20:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:49,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:49,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:49,958 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:49,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:20:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:51,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:52,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:52,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:52,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:20:52,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:52,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:52,372 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:52,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:52,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:52,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:52,373 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:52,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:20:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:54,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:54,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:54,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:54,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:20:54,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:54,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:54,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:54,730 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:54,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:20:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:56,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:56,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:56,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:57,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:20:57,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:57,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:57,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:57,053 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:57,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:20:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:58,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:59,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:20:59,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:20:59,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:20:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:20:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:20:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:20:59,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:59,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:59,609 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:59,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:21:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:01,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:02,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:02,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:02,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:21:02,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:02,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:02,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:02,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:02,184 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:02,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:21:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:04,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:04,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:04,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:04,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-02 21:21:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:04,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:04,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:04,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:04,822 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:04,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:21:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:06,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:07,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:07,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:07,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:07,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:21:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:07,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:07,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:07,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:07,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:07,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:07,537 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:07,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:21:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:09,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:10,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:10,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:10,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:21:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:10,277 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:10,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:10,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:10,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:10,279 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:10,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:21:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:12,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:12,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:12,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:13,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:21:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:13,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:13,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:13,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:13,058 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:13,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:21:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:15,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:15,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:15,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:16,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:21:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:16,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:16,066 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:16,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:16,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:16,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:16,068 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:16,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:21:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:18,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:18,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:18,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:18,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:21:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:19,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:19,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:19,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:19,008 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:19,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:21:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:21,327 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:21,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:21,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:21,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:21,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 21:21:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:21,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:21,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:21,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:21,945 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:21:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:24,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:24,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:24,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:24,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:21:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:24,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:24,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:24,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:24,997 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:24,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:21:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:27,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:27,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:27,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:27,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:27,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:21:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:27,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:27,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:27,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:27,971 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:27,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:21:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:30,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:30,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:30,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:30,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:21:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:30,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:30,858 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:30,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:30,859 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:30,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:21:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:33,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:34,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:34,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:34,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:21:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:34,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:34,074 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:34,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:21:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:36,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:37,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:37,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:37,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:21:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:37,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:37,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:37,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:37,264 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:37,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:21:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:39,935 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:40,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:40,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:40,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:40,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-02 21:21:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:40,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:40,554 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:40,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:40,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:40,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:40,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:40,556 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:40,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:21:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:43,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:43,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:43,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:43,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:21:43,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:43,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:43,816 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:43,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:43,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:43,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:43,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:43,817 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:43,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:21:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:46,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:46,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:46,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:46,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 21:21:46,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:46,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:46,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:46,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:46,886 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:46,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:21:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:49,699 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:50,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:50,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:50,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:21:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:50,349 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:50,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:50,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:50,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:50,351 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:50,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:21:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:53,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:53,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:53,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:53,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-02 21:21:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:53,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:53,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:53,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:53,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:53,991 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:53,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:21:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:57,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:57,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:21:57,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:21:57,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:21:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:21:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:21:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:21:57,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:57,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:57,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:57,851 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:57,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:22:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:00,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:22:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:01,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:01,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:01,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:22:01,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:22:01,559 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:22:01,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:22:01,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:01,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:01,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:01,561 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:01,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:22:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:04,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:22:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:05,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:05,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:05,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:22:05,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:22:05,371 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:22:05,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:22:05,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:05,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:05,373 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:05,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:22:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:08,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:22:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:09,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:09,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:09,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 21:22:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:22:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:22:09,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:22:09,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:09,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:09,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:09,370 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:09,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:22:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:12,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:22:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:13,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:13,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:13,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 21:22:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:22:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:22:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:22:13,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:13,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:13,244 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:13,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:22:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:16,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:22:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:22:17,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:22:17,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:22:17,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:22:17,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 21:22:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 293 states and 369 transitions. [2023-12-02 21:22:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 369 transitions. [2023-12-02 21:22:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:22:17,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:17,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:17,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:17,386 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:17,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_818d984f-439c-4976-9408-6f288a4f6ac0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process