./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/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_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/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_6473bd25-6abd-4460-86a8-f68f353f813d/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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:35:37,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:35:37,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:35:37,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:35:37,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:35:37,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:35:37,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:35:37,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:35:37,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:35:37,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:35:37,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:35:37,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:35:37,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:35:37,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:35:37,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:35:37,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:35:37,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:35:37,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:35:37,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:35:37,471 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:35:37,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:35:37,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:35:37,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:35:37,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:35:37,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:35:37,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:35:37,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:35:37,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:35:37,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:37,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:35:37,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:35:37,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:35:37,478 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:35:37,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:35:37,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:35:37,479 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_6473bd25-6abd-4460-86a8-f68f353f813d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2023-12-02 22:35:37,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:35:37,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:35:37,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:35:37,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:35:37,776 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:35:37,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2023-12-02 22:35:40,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:35:41,052 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:35:41,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2023-12-02 22:35:41,073 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/cf22a78ef/d9ab0840cc91466cbb9014e9d4d5e2e1/FLAGce82bc4f8 [2023-12-02 22:35:41,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/cf22a78ef/d9ab0840cc91466cbb9014e9d4d5e2e1 [2023-12-02 22:35:41,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:35:41,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:35:41,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:41,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:35:41,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:35:41,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:41,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4c2cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41, skipping insertion in model container [2023-12-02 22:35:41,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:41,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:35:41,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:41,826 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:35:41,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:35:41,979 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:35:41,986 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:35:41,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41 WrapperNode [2023-12-02 22:35:41,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:35:41,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:41,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:35:41,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:35:41,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,189 INFO L138 Inliner]: procedures = 177, calls = 489, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2218 [2023-12-02 22:35:42,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:35:42,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:35:42,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:35:42,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:35:42,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,367 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:35:42,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:35:42,382 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:35:42,382 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:35:42,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:35:41" (1/1) ... [2023-12-02 22:35:42,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:35:42,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:35:42,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:35:42,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:35:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 22:35:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 22:35:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:35:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:35:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:35:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:35:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:35:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:35:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:35:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:35:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:35:42,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:35:42,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:35:42,688 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:35:42,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:35:46,718 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:35:48,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:35:48,944 INFO L309 CfgBuilder]: Removed 100 assume(true) statements. [2023-12-02 22:35:48,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:48 BoogieIcfgContainer [2023-12-02 22:35:48,946 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:35:48,947 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:35:48,947 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:35:48,957 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:35:48,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:35:48" (1/1) ... [2023-12-02 22:35:48,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:35:49,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 347 transitions. [2023-12-02 22:35:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2023-12-02 22:35:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:35:49,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,211 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 22:35:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 208 states and 346 transitions. [2023-12-02 22:35:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 346 transitions. [2023-12-02 22:35:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:35:49,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,298 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 22:35:49,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 208 states and 347 transitions. [2023-12-02 22:35:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 347 transitions. [2023-12-02 22:35:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:35:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:35:49,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:49,458 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 22:35:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 210 states and 349 transitions. [2023-12-02 22:35:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 349 transitions. [2023-12-02 22:35:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:35:49,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:49,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:49,625 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 22:35:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 210 states and 345 transitions. [2023-12-02 22:35:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 345 transitions. [2023-12-02 22:35:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:35:49,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:49,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:49,747 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 22:35:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 210 states and 337 transitions. [2023-12-02 22:35:49,755 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-12-02 22:35:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:35:49,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:49,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:49,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:49,899 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 22:35:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:35:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 325 transitions. [2023-12-02 22:35:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 325 transitions. [2023-12-02 22:35:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:35:49,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:35:49,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:35:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:35:50,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:35:50,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:35:50,190 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 22:36:00,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:10,349 WARN L539 Checker$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 22:36:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:36:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 210 states and 313 transitions. [2023-12-02 22:36:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2023-12-02 22:36:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:36:10,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:36:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:36:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:36:10,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:36:10,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:36:10,997 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 22:36:21,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:31,082 WARN L539 Checker$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 22:36:41,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:36:51,146 WARN L539 Checker$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 22:37:01,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:11,430 WARN L539 Checker$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 22:37:21,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:31,495 WARN L539 Checker$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 22:37:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 262 states and 376 transitions. [2023-12-02 22:37:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 376 transitions. [2023-12-02 22:37:31,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:37:31,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:31,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:37:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:32,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:37:32,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:32,060 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 22:37:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:32,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 262 states and 374 transitions. [2023-12-02 22:37:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 374 transitions. [2023-12-02 22:37:32,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 22:37:32,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:32,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:37:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:32,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:37:32,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:32,407 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 22:37:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:37:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 262 states and 372 transitions. [2023-12-02 22:37:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 372 transitions. [2023-12-02 22:37:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:37:32,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:37:32,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:37:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:37:32,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:37:32,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:37:32,913 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 22:37:42,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:37:53,017 WARN L539 Checker$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 22:38:03,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:38:13,100 WARN L539 Checker$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 22:38:23,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:38:33,357 WARN L539 Checker$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 22:38:43,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:38:53,426 WARN L539 Checker$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 22:38:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 315 states and 437 transitions. [2023-12-02 22:38:53,688 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 437 transitions. [2023-12-02 22:38:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:38:53,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:53,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:54,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:54,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:54,008 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 22:38:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 315 states and 435 transitions. [2023-12-02 22:38:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 435 transitions. [2023-12-02 22:38:54,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:38:54,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:54,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:54,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:54,338 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 22:38:54,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 315 states and 433 transitions. [2023-12-02 22:38:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 433 transitions. [2023-12-02 22:38:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:38:54,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:54,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:54,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:38:54,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:54,715 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 22:39:04,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 315 states and 431 transitions. [2023-12-02 22:39:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 431 transitions. [2023-12-02 22:39:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:39:04,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:04,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:05,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:05,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:05,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:39:15,141 WARN L539 Checker$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 22:39:15,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:15,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 315 states and 429 transitions. [2023-12-02 22:39:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 429 transitions. [2023-12-02 22:39:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:39:15,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:15,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:15,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:39:15,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:15,503 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 22:39:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 315 states and 427 transitions. [2023-12-02 22:39:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 427 transitions. [2023-12-02 22:39:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:39:15,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:15,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:39:15,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:15,946 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 22:39:26,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:36,074 WARN L539 Checker$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 22:39:46,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:39:56,137 WARN L539 Checker$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 22:39:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:39:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 329 states and 443 transitions. [2023-12-02 22:39:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 443 transitions. [2023-12-02 22:39:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:39:56,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:39:56,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:39:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:39:56,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:39:56,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:39:56,606 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 22:40:06,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:40:16,661 WARN L539 Checker$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 22:40:26,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:40:36,736 WARN L539 Checker$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 22:40:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:40:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 332 states and 445 transitions. [2023-12-02 22:40:36,798 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 445 transitions. [2023-12-02 22:40:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:40:36,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:40:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:40:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:40:37,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:40:37,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:40:37,221 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 22:40:47,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:40:57,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:41:07,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:41:17,332 WARN L539 Checker$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 22:41:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:17,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 335 states and 447 transitions. [2023-12-02 22:41:17,387 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 447 transitions. [2023-12-02 22:41:17,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 22:41:17,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:17,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:17,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:41:17,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:17,800 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 22:41:27,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:41:37,856 WARN L539 Checker$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 22:41:47,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:41:57,916 WARN L539 Checker$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 22:41:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 338 states and 449 transitions. [2023-12-02 22:41:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 449 transitions. [2023-12-02 22:41:57,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 22:41:57,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:57,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:58,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:58,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:58,458 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 22:41:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2023-12-02 22:41:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2023-12-02 22:41:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:41:58,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:58,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:58,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:41:58,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:58,936 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 22:41:59,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:41:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 356 states and 469 transitions. [2023-12-02 22:41:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 469 transitions. [2023-12-02 22:41:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:41:59,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:41:59,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:41:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:41:59,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:41:59,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:41:59,532 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 22:42:09,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:42:19,708 WARN L539 Checker$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 22:42:29,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:42:39,771 WARN L539 Checker$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 22:42:50,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:43:00,066 WARN L539 Checker$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 22:43:10,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:43:20,142 WARN L539 Checker$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 22:43:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:43:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 402 states and 524 transitions. [2023-12-02 22:43:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 524 transitions. [2023-12-02 22:43:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:43:20,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:43:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:43:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:43:20,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:43:20,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:43:20,618 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 22:43:30,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:43:40,692 WARN L539 Checker$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 22:43:50,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:44:00,749 WARN L539 Checker$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 22:44:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 405 states and 526 transitions. [2023-12-02 22:44:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 526 transitions. [2023-12-02 22:44:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:44:00,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:00,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:01,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:44:01,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:01,268 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 22:44:11,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:44:21,341 WARN L539 Checker$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 22:44:31,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:44:41,419 WARN L539 Checker$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 22:44:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:44:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 408 states and 528 transitions. [2023-12-02 22:44:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 528 transitions. [2023-12-02 22:44:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 22:44:41,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:44:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:44:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:44:41,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:44:41,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:44:41,987 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 22:44:52,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:02,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:12,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:22,338 WARN L539 Checker$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 22:45:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:45:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 411 states and 530 transitions. [2023-12-02 22:45:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 530 transitions. [2023-12-02 22:45:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 22:45:22,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:45:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:45:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:45:22,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:45:22,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:45:22,875 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 22:45:32,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:45:42,920 WARN L539 Checker$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 22:45:52,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:03,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:46:04,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:04,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 414 states and 532 transitions. [2023-12-02 22:46:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 532 transitions. [2023-12-02 22:46:04,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 22:46:04,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:04,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:46:04,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:04,522 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 22:46:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 414 states and 531 transitions. [2023-12-02 22:46:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 531 transitions. [2023-12-02 22:46:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 22:46:04,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:04,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:04,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:04,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:05,007 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 22:46:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 423 states and 542 transitions. [2023-12-02 22:46:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 542 transitions. [2023-12-02 22:46:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:46:05,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:05,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:05,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:05,671 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 22:46:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 432 states and 552 transitions. [2023-12-02 22:46:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 552 transitions. [2023-12-02 22:46:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:46:05,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:06,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:06,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:06,261 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 22:46:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 441 states and 563 transitions. [2023-12-02 22:46:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 563 transitions. [2023-12-02 22:46:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 22:46:06,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:07,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:07,191 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 22:46:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:07,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 450 states and 573 transitions. [2023-12-02 22:46:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 573 transitions. [2023-12-02 22:46:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:46:07,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:07,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:07,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:07,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 22:46:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 451 states and 575 transitions. [2023-12-02 22:46:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 575 transitions. [2023-12-02 22:46:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:46:09,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:09,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:09,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:46:09,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 22:46:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 460 states and 586 transitions. [2023-12-02 22:46:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 586 transitions. [2023-12-02 22:46:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:46:09,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:10,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:46:10,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 22:46:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:12,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 461 states and 588 transitions. [2023-12-02 22:46:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 588 transitions. [2023-12-02 22:46:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 22:46:12,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:19,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:46:19,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 22:46:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2023-12-02 22:46:20,094 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2023-12-02 22:46:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 22:46:20,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:20,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:46:20,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:46:20,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:46:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 22:46:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:46:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 463 states and 594 transitions. [2023-12-02 22:46:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 594 transitions. [2023-12-02 22:46:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 22:46:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:46:20,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:46:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:46:31,060 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 22:46:31,063 INFO L158 Benchmark]: Toolchain (without parser) took 649971.15ms. Allocated memory was 125.8MB in the beginning and 255.9MB in the end (delta: 130.0MB). Free memory was 71.1MB in the beginning and 112.8MB in the end (delta: -41.7MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,063 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:46:31,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 893.47ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 72.9MB in the end (delta: -2.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 202.80ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 59.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,064 INFO L158 Benchmark]: Boogie Preprocessor took 190.13ms. Allocated memory is still 125.8MB. Free memory was 59.5MB in the beginning and 83.5MB in the end (delta: -24.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,064 INFO L158 Benchmark]: RCFGBuilder took 6564.65ms. Allocated memory was 125.8MB in the beginning and 255.9MB in the end (delta: 130.0MB). Free memory was 83.5MB in the beginning and 116.6MB in the end (delta: -33.1MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,065 INFO L158 Benchmark]: CodeCheck took 642115.48ms. Allocated memory is still 255.9MB. Free memory was 116.6MB in the beginning and 112.8MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-12-02 22:46:31,067 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 0.38ms. Allocated memory is still 125.8MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 893.47ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 72.9MB in the end (delta: -2.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 202.80ms. Allocated memory is still 125.8MB. Free memory was 72.9MB in the beginning and 59.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.13ms. Allocated memory is still 125.8MB. Free memory was 59.5MB in the beginning and 83.5MB in the end (delta: -24.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6564.65ms. Allocated memory was 125.8MB in the beginning and 255.9MB in the end (delta: 130.0MB). Free memory was 83.5MB in the beginning and 116.6MB in the end (delta: -33.1MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * CodeCheck took 642115.48ms. Allocated memory is still 255.9MB. Free memory was 116.6MB in the beginning and 112.8MB in the end (delta: 3.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:46:31,275 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:46:31,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/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_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/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_6473bd25-6abd-4460-86a8-f68f353f813d/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 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:46:33,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:46:33,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:46:33,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:46:33,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:46:33,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:46:33,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:46:33,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:46:33,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:46:33,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:46:33,144 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:46:33,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:46:33,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:46:33,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:46:33,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:46:33,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:46:33,147 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:46:33,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:46:33,148 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:46:33,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:46:33,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:46:33,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:46:33,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:46:33,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:46:33,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:46:33,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:46:33,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:46:33,152 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:33,152 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:46:33,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:46:33,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:46:33,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:46:33,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:46:33,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:46:33,154 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:46:33,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:46:33,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:46:33,155 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:46:33,155 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:46:33,155 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_6473bd25-6abd-4460-86a8-f68f353f813d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85752dfa9e642a242de1661b045d725551498d8fafaaba42a5d915ccb8e5b948 [2023-12-02 22:46:33,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:46:33,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:46:33,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:46:33,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:46:33,497 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:46:33,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2023-12-02 22:46:36,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:46:36,579 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:46:36,580 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-3.i [2023-12-02 22:46:36,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/a954c1959/87d96cd21c94452089cc20dd202f8a79/FLAG4be84c686 [2023-12-02 22:46:36,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/data/a954c1959/87d96cd21c94452089cc20dd202f8a79 [2023-12-02 22:46:36,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:46:36,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:46:36,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:46:36,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:46:36,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:46:36,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:36" (1/1) ... [2023-12-02 22:46:36,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae26328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:36, skipping insertion in model container [2023-12-02 22:46:36,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:46:36" (1/1) ... [2023-12-02 22:46:36,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:46:37,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:46:37,381 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:46:37,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:46:37,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:46:37,505 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:46:37,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:46:37,635 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:46:37,640 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:46:37,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37 WrapperNode [2023-12-02 22:46:37,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:46:37,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:46:37,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:46:37,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:46:37,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,690 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,767 INFO L138 Inliner]: procedures = 180, calls = 489, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1715 [2023-12-02 22:46:37,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:46:37,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:46:37,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:46:37,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:46:37,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:46:37,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:46:37,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:46:37,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:46:37,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:46:37" (1/1) ... [2023-12-02 22:46:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:46:37,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:46:37,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:46:37,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:46:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-12-02 22:46:37,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-12-02 22:46:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:46:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:46:37,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:46:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:46:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:46:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:46:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:46:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:46:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:46:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:46:37,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:46:38,213 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:46:38,216 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:06,262 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:47:06,874 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:47:06,874 INFO L309 CfgBuilder]: Removed 100 assume(true) statements. [2023-12-02 22:47:06,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:06 BoogieIcfgContainer [2023-12-02 22:47:06,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:47:06,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:47:06,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:47:06,885 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:47:06,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:06" (1/1) ... [2023-12-02 22:47:06,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:47:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 209 states and 347 transitions. [2023-12-02 22:47:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 347 transitions. [2023-12-02 22:47:06,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:47:06,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:06,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:06,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:06,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:06,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:47:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:07,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:07,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:47:07,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:07,569 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 22:47:07,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 211 states and 350 transitions. [2023-12-02 22:47:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 350 transitions. [2023-12-02 22:47:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:47:07,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:07,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:07,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:07,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:07,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:47:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:08,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:08,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:47:08,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:08,481 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 22:47:08,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:47:08,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 212 states and 351 transitions. [2023-12-02 22:47:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 351 transitions. [2023-12-02 22:47:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:47:08,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:08,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:08,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:08,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:08,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:47:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:09,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:09,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:09,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:09,242 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 22:47:09,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:47:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 211 states and 346 transitions. [2023-12-02 22:47:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 346 transitions. [2023-12-02 22:47:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:47:09,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:09,255 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:09,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:47:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:09,563 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:09,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:09,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:09,653 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 22:47:09,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:47:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 211 states and 338 transitions. [2023-12-02 22:47:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 338 transitions. [2023-12-02 22:47:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 22:47:09,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:09,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:09,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:09,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:09,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:47:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:10,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:10,227 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 22:47:10,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:10,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 211 states and 326 transitions. [2023-12-02 22:47:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 326 transitions. [2023-12-02 22:47:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:47:10,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:10,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:10,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:10,243 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:10,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 22:47:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:10,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:10,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:10,994 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 22:47:10,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 22:47:12,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 211 states and 314 transitions. [2023-12-02 22:47:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 314 transitions. [2023-12-02 22:47:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:47:13,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:13,166 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 22:47:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:13,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:14,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:14,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:14,351 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 22:47:14,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 22:47:14,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 225 states and 329 transitions. [2023-12-02 22:47:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 329 transitions. [2023-12-02 22:47:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:47:14,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:14,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:14,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:14,713 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:14,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 22:47:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:15,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:15,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:15,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:15,666 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 22:47:15,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 225 states and 327 transitions. [2023-12-02 22:47:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 327 transitions. [2023-12-02 22:47:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:47:15,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:15,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:15,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:15,694 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:15,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 22:47:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:16,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:16,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:16,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:16,644 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 22:47:16,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 22:47:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2023-12-02 22:47:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2023-12-02 22:47:16,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:47:16,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:16,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:16,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:16,664 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:16,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 22:47:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:17,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:17,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:17,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:17,846 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 22:47:17,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 22:47:17,855 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:47:17,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:17,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 225 states and 323 transitions. [2023-12-02 22:47:17,868 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 323 transitions. [2023-12-02 22:47:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 22:47:17,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:17,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:17,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:17,871 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:17,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 22:47:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:18,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:18,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:18,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:19,141 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 22:47:19,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 22:47:19,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 228 states and 325 transitions. [2023-12-02 22:47:19,169 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 325 transitions. [2023-12-02 22:47:19,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:47:19,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:19,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:19,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:19,171 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:19,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 22:47:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:20,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:20,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:20,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:20,970 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 22:47:20,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 22:47:23,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:26,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:26,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 274 states and 381 transitions. [2023-12-02 22:47:26,671 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 381 transitions. [2023-12-02 22:47:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 22:47:26,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:26,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:26,673 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:26,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 22:47:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:27,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:27,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:27,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:27,969 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 22:47:27,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 22:47:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 274 states and 379 transitions. [2023-12-02 22:47:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 379 transitions. [2023-12-02 22:47:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 22:47:27,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:27,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:27,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:27,995 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:27,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 22:47:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:28,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:29,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:29,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:29,326 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 22:47:29,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 22:47:29,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:29,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 274 states and 377 transitions. [2023-12-02 22:47:29,352 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 377 transitions. [2023-12-02 22:47:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 22:47:29,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:29,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:29,354 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:29,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 22:47:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:30,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:30,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:30,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:30,719 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 22:47:30,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 22:47:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 274 states and 375 transitions. [2023-12-02 22:47:30,750 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 375 transitions. [2023-12-02 22:47:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:47:30,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:30,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:30,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:30,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:30,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 22:47:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:31,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:32,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:32,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:32,677 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 22:47:32,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 22:47:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 277 states and 377 transitions. [2023-12-02 22:47:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 377 transitions. [2023-12-02 22:47:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:47:32,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:32,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:32,735 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:32,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 22:47:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:33,781 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:34,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:34,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:34,249 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 22:47:34,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 22:47:44,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 277 states and 375 transitions. [2023-12-02 22:47:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 375 transitions. [2023-12-02 22:47:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 22:47:44,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:44,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:44,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:44,315 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:44,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 22:47:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:45,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:46,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:46,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:46,463 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 22:47:46,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 280 states and 377 transitions. [2023-12-02 22:47:46,528 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 377 transitions. [2023-12-02 22:47:46,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 22:47:46,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:46,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:46,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:46,530 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:46,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 22:47:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:47,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:48,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:47:48,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:48,510 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 22:47:48,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 22:47:48,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 280 states and 376 transitions. [2023-12-02 22:47:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 376 transitions. [2023-12-02 22:47:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 22:47:48,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:48,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:48,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:48,542 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 22:47:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:49,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:47:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:47:50,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:47:50,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:47:50,689 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 22:47:50,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 22:47:55,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:57,014 WARN L539 Checker$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 22:47:59,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:47:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:47:59,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 347 states and 457 transitions. [2023-12-02 22:47:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 457 transitions. [2023-12-02 22:47:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:47:59,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:47:59,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:59,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:47:59,665 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:47:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 22:48:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:01,025 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:01,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:01,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:02,133 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 22:48:02,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 22:48:12,220 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 22:48:22,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:48:31,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 22:48:41,437 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 22:48:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:41,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:41,495 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:41,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:41,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:41,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:41,497 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:41,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 22:48:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:43,041 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:43,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:43,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:43,733 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 22:48:43,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 22:48:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:43,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:43,946 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:43,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 22:48:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:45,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:45,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:45,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:46,002 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 22:48:46,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 22:48:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:46,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:46,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:46,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:46,045 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:46,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 22:48:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:47,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:48,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:48,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:48,284 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 22:48:48,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 22:48:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:48,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:48,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:48,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:48,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:48,328 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:48,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 22:48:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:49,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:50,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:50,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:50,538 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 22:48:50,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 22:48:50,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:50,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:50,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:50,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:50,586 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:50,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 22:48:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:52,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:53,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:53,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:53,031 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 22:48:53,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 22:48:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:53,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:53,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:53,089 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:53,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 22:48:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:54,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:55,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:55,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:55,402 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 22:48:55,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 22:48:55,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:55,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:55,447 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:55,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 22:48:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:57,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:48:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:57,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:48:57,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:48:57,905 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 22:48:57,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 22:48:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:57,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:48:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:48:57,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:48:57,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:57,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:48:57,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:48:57,963 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:48:57,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 22:48:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:59,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:00,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:00,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:00,358 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 22:49:00,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 22:49:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:00,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:00,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:00,412 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:00,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 22:49:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:02,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:02,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:02,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:02,944 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 22:49:02,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 22:49:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:02,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:02,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:02,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:02,998 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:02,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 22:49:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:05,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:05,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:05,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:05,703 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 22:49:05,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 22:49:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:05,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:05,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:05,771 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 22:49:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:07,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:08,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:08,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:08,412 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 22:49:08,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 22:49:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:08,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:08,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:08,468 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:08,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 22:49:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:10,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:11,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:11,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:11,217 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 22:49:11,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 22:49:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:11,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:11,287 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:11,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:11,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:11,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:11,289 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:11,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 22:49:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:13,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:14,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:14,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:14,187 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 22:49:14,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 22:49:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:14,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:14,238 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:14,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:14,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:14,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:14,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:14,240 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:14,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 22:49:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:16,694 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:17,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:17,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:17,256 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 22:49:17,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 22:49:17,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:17,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:17,309 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:17,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:17,310 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:17,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 22:49:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:19,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:20,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:20,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:20,138 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 22:49:20,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 22:49:20,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:20,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:20,193 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:20,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:20,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:20,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:20,195 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:20,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 22:49:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:22,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:23,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:23,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:23,049 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 22:49:23,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:23,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:23,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:23,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:23,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:23,091 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:23,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 22:49:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:25,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:25,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:25,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:25,995 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 22:49:26,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 22:49:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:26,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:26,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:26,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:26,035 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:26,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 22:49:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:28,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:29,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:29,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:29,305 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 22:49:29,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 22:49:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:29,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:29,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:29,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:29,345 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:29,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 22:49:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:31,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:32,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:32,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:32,235 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 22:49:32,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 22:49:32,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:32,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:32,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:32,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:32,278 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 22:49:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:34,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:35,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:35,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:49:35,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 22:49:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:35,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:35,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:35,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:35,449 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:35,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 22:49:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:38,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:38,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:38,982 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 22:49:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 22:49:39,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:39,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:39,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:39,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:39,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:39,032 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:39,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 22:49:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:41,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:42,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:42,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:42,466 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 22:49:42,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 22:49:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:42,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:42,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:42,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:42,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:42,510 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:42,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 22:49:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:45,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:46,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:46,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:46,246 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 22:49:46,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 22:49:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:46,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:46,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:46,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:46,293 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:46,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 22:49:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:49,201 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:49,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:49,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:49,745 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 22:49:49,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-02 22:49:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:49,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:49,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:49,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:49,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:49,789 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:49,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 22:49:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:52,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:53,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:53,177 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 22:49:53,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 22:49:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:53,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:53,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:53,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:53,221 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:53,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 22:49:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:56,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:56,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:49:56,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:56,636 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 22:49:56,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 22:49:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:56,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:49:56,683 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:49:56,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:49:56,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:56,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:56,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:56,685 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 22:49:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:59,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:00,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:50:00,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:00,428 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 22:50:00,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 22:50:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 356 states and 468 transitions. [2023-12-02 22:50:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 468 transitions. [2023-12-02 22:50:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 22:50:00,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:00,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:00,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:00,478 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:00,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6473bd25-6abd-4460-86a8-f68f353f813d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process