./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/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_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:43:54,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:43:54,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 02:43:54,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:43:54,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:43:54,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:43:54,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:43:54,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:43:54,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:43:54,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:43:54,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:43:54,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:43:54,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:43:54,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:43:54,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:43:54,688 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 02:43:54,689 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 02:43:54,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:43:54,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:43:54,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:43:54,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:43:54,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:43:54,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:43:54,692 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:43:54,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:43:54,693 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:43:54,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:43:54,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:54,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:43:54,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:43:54,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:43:54,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:43:54,696 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_6f46495d-28fd-4b26-bf6e-fae5011ab464/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2023-12-03 02:43:54,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:43:54,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:43:54,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:43:54,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:43:54,944 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:43:54,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-12-03 02:43:57,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:43:58,049 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:43:58,050 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-12-03 02:43:58,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/3896d58ff/399aaabddbfa4aa988f69512461575f0/FLAG657592339 [2023-12-03 02:43:58,084 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/3896d58ff/399aaabddbfa4aa988f69512461575f0 [2023-12-03 02:43:58,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:43:58,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:43:58,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:58,090 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:43:58,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:43:58,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,096 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30627cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58, skipping insertion in model container [2023-12-03 02:43:58,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,182 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:43:58,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:58,629 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:43:58,713 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:43:58,739 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:43:58,745 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:43:58,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58 WrapperNode [2023-12-03 02:43:58,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:43:58,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:58,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:43:58,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:43:58,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,862 INFO L138 Inliner]: procedures = 176, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1515 [2023-12-03 02:43:58,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:43:58,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:43:58,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:43:58,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:43:58,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:43:58,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:43:58,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:43:58,991 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:43:58,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:43:58" (1/1) ... [2023-12-03 02:43:58,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:43:59,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:43:59,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:43:59,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:43:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:43:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:43:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:43:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:43:59,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:43:59,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:43:59,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:43:59,314 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:43:59,316 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:44:00,672 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:44:01,946 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:44:01,946 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 02:44:01,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:01 BoogieIcfgContainer [2023-12-03 02:44:01,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:44:01,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:44:01,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:44:01,959 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:44:01,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:44:01" (1/1) ... [2023-12-03 02:44:01,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:44:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-12-03 02:44:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-12-03 02:44:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:44:02,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-03 02:44:02,254 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-03 02:44:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:44:02,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-12-03 02:44:02,455 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-12-03 02:44:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:44:02,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:02,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:02,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-12-03 02:44:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-12-03 02:44:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:44:02,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:02,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:02,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-12-03 02:44:02,730 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-12-03 02:44:02,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:44:02,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:02,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:02,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:02,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-12-03 02:44:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-12-03 02:44:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:44:02,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:02,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:03,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:03,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:03,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:13,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 133 states and 208 transitions. [2023-12-03 02:44:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 208 transitions. [2023-12-03 02:44:13,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:44:13,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:13,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:13,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:44:13,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:23,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:33,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:43,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:53,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:44:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:54,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 146 states and 223 transitions. [2023-12-03 02:44:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 223 transitions. [2023-12-03 02:44:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:44:54,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:54,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:54,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:54,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-12-03 02:44:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-12-03 02:44:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:44:54,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:54,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:54,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:54,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:44:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-12-03 02:44:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-12-03 02:44:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:44:54,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:44:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:54,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:44:54,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:04,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:04,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2023-12-03 02:45:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2023-12-03 02:45:04,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:45:04,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:04,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:05,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:45:05,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:45:15,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:25,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:35,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:45,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:45:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:45:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-12-03 02:45:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-12-03 02:45:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:45:45,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:45:45,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:45:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:45,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:45:45,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:45:55,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:05,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:15,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:25,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 184 states and 266 transitions. [2023-12-03 02:46:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 266 transitions. [2023-12-03 02:46:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:46:27,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:27,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:46:27,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:27,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 02:46:27,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 02:46:27,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:46:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 185 states and 265 transitions. [2023-12-03 02:46:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 265 transitions. [2023-12-03 02:46:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:46:27,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:27,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:46:27,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:46:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:46:27,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 184 states and 260 transitions. [2023-12-03 02:46:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 260 transitions. [2023-12-03 02:46:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:46:27,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:46:27,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:46:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:46:28,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:46:28,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:46:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:46:38,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:48,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:46:58,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:08,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-12-03 02:47:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-12-03 02:47:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:47:08,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:08,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:08,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:08,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:08,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 169 states and 239 transitions. [2023-12-03 02:47:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 239 transitions. [2023-12-03 02:47:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:47:08,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:08,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:09,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:47:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 169 states and 235 transitions. [2023-12-03 02:47:09,046 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 235 transitions. [2023-12-03 02:47:09,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:47:09,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:09,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:09,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 169 states and 234 transitions. [2023-12-03 02:47:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 234 transitions. [2023-12-03 02:47:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:47:09,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:09,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:09,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:47:09,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:10,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 177 states and 244 transitions. [2023-12-03 02:47:10,084 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 244 transitions. [2023-12-03 02:47:10,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:47:10,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:10,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:10,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:47:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 177 states and 242 transitions. [2023-12-03 02:47:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2023-12-03 02:47:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-03 02:47:10,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:10,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:10,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:47:10,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:10,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:47:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 178 states and 244 transitions. [2023-12-03 02:47:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 244 transitions. [2023-12-03 02:47:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:47:11,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:11,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:11,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:47:11,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:47:21,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:47:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 178 states and 242 transitions. [2023-12-03 02:47:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 242 transitions. [2023-12-03 02:47:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 02:47:21,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:47:21,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:47:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:47:21,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:47:21,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:47:21,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:47:31,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:41,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:47:51,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:01,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:01,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 189 states and 255 transitions. [2023-12-03 02:48:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 255 transitions. [2023-12-03 02:48:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:48:01,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:02,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:02,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:48:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 189 states and 253 transitions. [2023-12-03 02:48:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2023-12-03 02:48:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:48:02,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:02,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:48:02,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:48:03,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 192 states and 255 transitions. [2023-12-03 02:48:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 255 transitions. [2023-12-03 02:48:03,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:48:03,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:03,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:03,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:48:13,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 192 states and 253 transitions. [2023-12-03 02:48:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 253 transitions. [2023-12-03 02:48:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:48:13,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:13,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:48:13,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:48:13,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 192 states and 249 transitions. [2023-12-03 02:48:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 249 transitions. [2023-12-03 02:48:13,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:48:13,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:13,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:48:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:48:14,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:48:14,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:48:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:48:24,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:34,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:44,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:54,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:48:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 195 states and 251 transitions. [2023-12-03 02:48:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 251 transitions. [2023-12-03 02:48:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 02:48:54,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:54,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 02:49:04,540 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 02:49:04,542 INFO L158 Benchmark]: Toolchain (without parser) took 306454.31ms. Allocated memory was 169.9MB in the beginning and 333.4MB in the end (delta: 163.6MB). Free memory was 131.9MB in the beginning and 151.6MB in the end (delta: -19.6MB). Peak memory consumption was 146.7MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,543 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:04,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.86ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 97.7MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.58ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 88.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,544 INFO L158 Benchmark]: Boogie Preprocessor took 127.16ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 78.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,544 INFO L158 Benchmark]: RCFGBuilder took 2957.25ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 78.2MB in the beginning and 76.0MB in the end (delta: 2.2MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,545 INFO L158 Benchmark]: CodeCheck took 302592.64ms. Allocated memory was 255.9MB in the beginning and 333.4MB in the end (delta: 77.6MB). Free memory was 76.0MB in the beginning and 151.6MB in the end (delta: -75.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2023-12-03 02:49:04,547 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 0.20ms. Allocated memory is still 104.9MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.86ms. Allocated memory is still 169.9MB. Free memory was 131.9MB in the beginning and 97.7MB in the end (delta: 34.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.58ms. Allocated memory is still 169.9MB. Free memory was 97.7MB in the beginning and 88.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.16ms. Allocated memory is still 169.9MB. Free memory was 88.0MB in the beginning and 78.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2957.25ms. Allocated memory was 169.9MB in the beginning and 255.9MB in the end (delta: 86.0MB). Free memory was 78.2MB in the beginning and 76.0MB in the end (delta: 2.2MB). Peak memory consumption was 95.4MB. Max. memory is 16.1GB. * CodeCheck took 302592.64ms. Allocated memory was 255.9MB in the beginning and 333.4MB in the end (delta: 77.6MB). Free memory was 76.0MB in the beginning and 151.6MB in the end (delta: -75.5MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 02:49:04,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/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_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:49:06,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:49:06,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-03 02:49:06,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:49:06,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:49:06,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:49:06,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:49:06,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:49:06,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:49:06,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:49:06,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:49:06,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:49:06,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:49:06,558 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 02:49:06,558 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 02:49:06,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:49:06,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:49:06,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:49:06,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:49:06,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:49:06,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:49:06,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:49:06,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:49:06,563 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:49:06,564 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:49:06,564 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:49:06,565 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:49:06,565 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:06,565 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:06,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:49:06,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:06,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:49:06,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:49:06,567 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:49:06,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:06,568 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:49:06,568 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:06,568 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_6f46495d-28fd-4b26-bf6e-fae5011ab464/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99f48cdcb9a25adc64e4307e90599f4e37a0b97f677ff29ab3d60f24a1c8e980 [2023-12-03 02:49:06,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:49:06,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:49:06,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:49:06,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:49:06,865 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:49:06,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-12-03 02:49:09,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:49:09,927 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:49:09,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-2.i [2023-12-03 02:49:09,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/cc4524876/a3a8ab4379e74c58b309088113031c6f/FLAG440a35aae [2023-12-03 02:49:09,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/data/cc4524876/a3a8ab4379e74c58b309088113031c6f [2023-12-03 02:49:09,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:49:09,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:49:09,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:09,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:49:09,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:49:09,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:09,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf9da7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:09, skipping insertion in model container [2023-12-03 02:49:09,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:09" (1/1) ... [2023-12-03 02:49:10,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:49:10,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:10,565 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:49:10,581 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:49:10,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:10,668 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:49:10,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:10,768 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:10,776 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:49:10,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10 WrapperNode [2023-12-03 02:49:10,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:10,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:10,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:49:10,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:49:10,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,871 INFO L138 Inliner]: procedures = 179, calls = 331, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 1181 [2023-12-03 02:49:10,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:10,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:49:10,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:49:10,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:49:10,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:49:10,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:49:10,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:49:10,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:49:10,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:10" (1/1) ... [2023-12-03 02:49:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:10,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:49:10,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:49:11,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:49:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 02:49:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:49:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 02:49:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:49:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:49:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:49:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:49:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:49:11,243 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:49:11,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:49:26,012 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:49:26,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:49:26,479 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 02:49:26,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:26 BoogieIcfgContainer [2023-12-03 02:49:26,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:49:26,482 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:49:26,482 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:49:26,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:49:26,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:26" (1/1) ... [2023-12-03 02:49:26,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:49:26,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 225 transitions. [2023-12-03 02:49:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 225 transitions. [2023-12-03 02:49:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:49:26,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:26,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:26,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:26,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:26,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:49:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:26,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:26,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:27,008 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:27,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:27,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 131 states and 223 transitions. [2023-12-03 02:49:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 223 transitions. [2023-12-03 02:49:27,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:49:27,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:27,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:27,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:27,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:27,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:49:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:27,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:49:27,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:27,518 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:27,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:27,519 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:49:27,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 02:49:27,616 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:49:27,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 02:49:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:27,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:49:28,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 133 states and 226 transitions. [2023-12-03 02:49:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 226 transitions. [2023-12-03 02:49:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:49:28,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:28,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:28,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:28,015 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:28,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:49:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:28,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:28,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:49:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:28,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2023-12-03 02:49:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2023-12-03 02:49:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 02:49:28,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:28,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:28,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:28,505 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:28,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:49:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,841 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:28,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:28,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:28,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:49:28,949 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:28,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:28,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 133 states and 220 transitions. [2023-12-03 02:49:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 220 transitions. [2023-12-03 02:49:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 02:49:28,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:28,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:28,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:28,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:28,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:49:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:29,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:29,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:29,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:29,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:29,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 133 states and 214 transitions. [2023-12-03 02:49:29,472 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2023-12-03 02:49:29,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 02:49:29,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:29,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:29,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:29,475 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:29,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:49:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:29,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:30,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:30,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:30,018 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:30,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:49:30,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 133 states and 206 transitions. [2023-12-03 02:49:30,788 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 206 transitions. [2023-12-03 02:49:30,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 02:49:30,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:30,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:30,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:30,790 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:30,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:49:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:31,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:31,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:31,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:31,678 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:49:31,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:49:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-12-03 02:49:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-12-03 02:49:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-03 02:49:32,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:32,919 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:32,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:49:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:33,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:33,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:33,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:33,595 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:33,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:49:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 146 states and 219 transitions. [2023-12-03 02:49:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 219 transitions. [2023-12-03 02:49:33,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 02:49:33,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:33,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:33,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:33,618 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:33,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:49:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:49:34,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:34,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:49:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2023-12-03 02:49:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2023-12-03 02:49:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 02:49:34,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:34,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:34,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:34,418 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:34,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:49:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:34,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:49:35,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:49:35,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 02:49:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 149 states and 219 transitions. [2023-12-03 02:49:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 219 transitions. [2023-12-03 02:49:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:49:35,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:35,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:35,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:35,296 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:35,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:49:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:35,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:36,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:49:36,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:36,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:49:47,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:49:57,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:07,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:17,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:20,687 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 [] [2023-12-03 02:50:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 184 states and 266 transitions. [2023-12-03 02:50:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 266 transitions. [2023-12-03 02:50:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-03 02:50:21,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:21,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:21,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:21,513 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:21,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:50:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:22,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:22,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:22,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:50:22,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:50:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 184 states and 263 transitions. [2023-12-03 02:50:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 263 transitions. [2023-12-03 02:50:22,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 02:50:22,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:22,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:22,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:22,866 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:22,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:50:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:23,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:23,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:50:23,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:23,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:23,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:50:34,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:34,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:34,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 185 states and 264 transitions. [2023-12-03 02:50:34,334 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 264 transitions. [2023-12-03 02:50:34,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:50:34,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:34,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:34,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:34,336 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:34,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:50:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:35,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:35,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:50:35,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:35,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:50:35,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:50:35,466 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 02:50:35,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 02:50:35,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:50:35,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 02:50:35,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:50:35,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:50:36,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 187 states and 267 transitions. [2023-12-03 02:50:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 267 transitions. [2023-12-03 02:50:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 02:50:36,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:36,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:36,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:36,247 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:36,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:50:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:36,894 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:37,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:37,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:50:37,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:50:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 186 states and 262 transitions. [2023-12-03 02:50:37,229 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 262 transitions. [2023-12-03 02:50:37,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:50:37,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:37,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:37,231 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:37,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:50:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:38,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:38,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:50:38,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:50:38,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:50:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 171 states and 243 transitions. [2023-12-03 02:50:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 243 transitions. [2023-12-03 02:50:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:50:38,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:38,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:38,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:38,520 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:38,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:50:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:39,375 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:39,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:39,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:50:39,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:50:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 171 states and 239 transitions. [2023-12-03 02:50:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 239 transitions. [2023-12-03 02:50:39,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:50:39,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:39,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:39,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:39,699 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:50:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:40,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:40,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:50:40,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:50:50,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:50:50,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:50,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 171 states and 237 transitions. [2023-12-03 02:50:50,922 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 237 transitions. [2023-12-03 02:50:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-03 02:50:50,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:50,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:50,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:50,924 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:50,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:50:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:51,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:52,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:52,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:50:52,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:50:53,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 171 states and 236 transitions. [2023-12-03 02:50:53,269 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 236 transitions. [2023-12-03 02:50:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:50:53,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:53,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:53,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:53,271 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:53,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:50:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:54,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:54,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:50:54,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:50:54,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:50:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:50:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 171 states and 234 transitions. [2023-12-03 02:50:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 234 transitions. [2023-12-03 02:50:54,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:50:54,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:50:54,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:50:54,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:50:54,554 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:50:54,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:50:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:55,632 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:50:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:50:56,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:50:56,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:50:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:50:56,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:51:07,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:17,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:27,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:37,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 179 states and 244 transitions. [2023-12-03 02:51:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 244 transitions. [2023-12-03 02:51:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-03 02:51:37,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:37,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:37,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:37,300 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:37,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:51:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:38,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:51:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:51:38,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:51:38,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:51:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:51:38,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:51:48,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:58,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:51:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:51:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-03 02:51:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-03 02:51:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 02:51:59,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:51:59,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:51:59,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:51:59,007 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:51:59,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:52:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:00,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:00,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:00,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:52:00,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:52:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-03 02:52:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-03 02:52:00,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 02:52:00,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:00,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:00,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:00,447 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:00,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:52:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:01,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:01,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:01,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:52:02,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:52:02,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 191 states and 257 transitions. [2023-12-03 02:52:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 257 transitions. [2023-12-03 02:52:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 02:52:02,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:02,202 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:52:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:03,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:04,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:04,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 02:52:04,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:52:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 191 states and 255 transitions. [2023-12-03 02:52:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 255 transitions. [2023-12-03 02:52:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 02:52:04,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:04,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:04,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:04,187 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:04,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:52:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:05,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:06,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:52:06,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:06,339 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 02:52:06,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:52:16,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:26,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:26,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:26,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 194 states and 257 transitions. [2023-12-03 02:52:26,436 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 257 transitions. [2023-12-03 02:52:26,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:52:26,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:26,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:26,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:26,437 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:26,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:52:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:27,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:28,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:28,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:52:28,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:52:28,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:28,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 194 states and 255 transitions. [2023-12-03 02:52:28,171 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 255 transitions. [2023-12-03 02:52:28,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 02:52:28,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:28,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:28,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:28,173 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:28,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:52:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:29,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:29,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:52:29,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 02:52:29,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:52:29,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 194 states and 251 transitions. [2023-12-03 02:52:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 251 transitions. [2023-12-03 02:52:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 02:52:29,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:29,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:29,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:29,961 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:29,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:52:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:31,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:31,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:52:31,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:52:32,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:52:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 197 states and 253 transitions. [2023-12-03 02:52:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 253 transitions. [2023-12-03 02:52:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 02:52:32,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:32,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:32,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:32,025 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:32,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:52:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:33,759 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:34,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:52:34,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:52:34,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:52:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 198 states and 251 transitions. [2023-12-03 02:52:34,995 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 251 transitions. [2023-12-03 02:52:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 02:52:34,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:34,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:34,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:34,996 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:34,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:52:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:36,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:37,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:52:37,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:52:37,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:52:47,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:52:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:52:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 199 states and 252 transitions. [2023-12-03 02:52:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 252 transitions. [2023-12-03 02:52:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 02:52:47,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:52:47,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:52:47,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:52:47,941 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:52:47,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:52:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:49,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:52:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:52:49,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:52:49,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:52:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:52:50,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 02:53:00,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 200 states and 253 transitions. [2023-12-03 02:53:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 253 transitions. [2023-12-03 02:53:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 02:53:00,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:00,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:00,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:00,874 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:00,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:53:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:02,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:03,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:53:03,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 02:53:03,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:53:14,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 201 states and 254 transitions. [2023-12-03 02:53:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2023-12-03 02:53:14,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 02:53:14,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:14,254 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:14,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:53:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:16,213 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:16,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 02:53:16,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:53:16,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:53:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 202 states and 255 transitions. [2023-12-03 02:53:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 255 transitions. [2023-12-03 02:53:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 02:53:17,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:17,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:17,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:17,607 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:17,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:53:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:19,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:19,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:53:19,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:53:20,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:53:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 203 states and 256 transitions. [2023-12-03 02:53:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 256 transitions. [2023-12-03 02:53:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 02:53:21,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:21,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:21,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:21,009 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:21,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:53:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:23,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:23,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:53:23,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:53:23,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:53:34,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:34,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 204 states and 257 transitions. [2023-12-03 02:53:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 257 transitions. [2023-12-03 02:53:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 02:53:34,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:34,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:34,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:34,651 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:34,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:53:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:36,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:37,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:53:37,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:37,259 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 02:53:37,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:53:48,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:53:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 205 states and 258 transitions. [2023-12-03 02:53:48,281 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2023-12-03 02:53:48,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 02:53:48,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:48,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:48,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:48,282 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:48,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:53:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:50,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:50,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 02:53:50,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:53:51,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:53:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 206 states and 259 transitions. [2023-12-03 02:53:52,082 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 259 transitions. [2023-12-03 02:53:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 02:53:52,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:52,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:52,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:52,083 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:52,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:53:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:54,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:54,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:53:54,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:53:54,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:53:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:53:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 207 states and 260 transitions. [2023-12-03 02:53:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 260 transitions. [2023-12-03 02:53:55,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 02:53:55,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:53:55,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:53:55,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:53:55,743 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:53:55,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:53:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:57,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:53:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:53:58,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:53:58,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:53:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:53:58,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:54:09,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:54:09,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:09,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 208 states and 261 transitions. [2023-12-03 02:54:09,762 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2023-12-03 02:54:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 02:54:09,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:09,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:09,764 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:09,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:54:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:11,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:12,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:54:12,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 02:54:12,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:54:23,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:54:23,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 209 states and 262 transitions. [2023-12-03 02:54:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 262 transitions. [2023-12-03 02:54:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 02:54:23,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:23,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:23,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:23,941 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:23,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:54:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:26,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:26,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 02:54:26,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:26,755 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 02:54:26,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:54:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:28,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 210 states and 263 transitions. [2023-12-03 02:54:28,054 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 263 transitions. [2023-12-03 02:54:28,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 02:54:28,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:28,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:28,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:28,055 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:28,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:54:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:30,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:30,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:54:30,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:30,793 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 02:54:30,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:54:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:32,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 211 states and 264 transitions. [2023-12-03 02:54:32,171 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 264 transitions. [2023-12-03 02:54:32,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 02:54:32,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:32,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:32,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:32,172 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:32,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:54:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:34,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:35,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:54:35,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 02:54:35,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:54:46,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:54:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:54:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 212 states and 265 transitions. [2023-12-03 02:54:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 265 transitions. [2023-12-03 02:54:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 02:54:46,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:54:46,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:54:46,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:54:46,384 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:54:46,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:54:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:49,036 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:54:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:54:49,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:54:49,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:54:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-03 02:54:49,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:55:01,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 213 states and 266 transitions. [2023-12-03 02:55:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 266 transitions. [2023-12-03 02:55:01,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 02:55:01,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:01,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:01,209 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:01,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:55:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:03,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:04,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:55:04,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:55:04,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:55:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 267 transitions. [2023-12-03 02:55:05,845 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 267 transitions. [2023-12-03 02:55:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 02:55:05,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:05,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:05,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:05,846 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:05,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:55:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:08,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-03 02:55:08,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:55:09,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:55:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 215 states and 268 transitions. [2023-12-03 02:55:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2023-12-03 02:55:10,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 02:55:10,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:10,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:10,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:10,792 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:10,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:55:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:13,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:13,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:55:13,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:55:14,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 02:55:25,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:25,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 216 states and 269 transitions. [2023-12-03 02:55:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 269 transitions. [2023-12-03 02:55:25,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 02:55:25,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:25,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:25,604 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:25,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:55:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:28,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:28,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:55:28,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-03 02:55:29,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:55:40,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:55:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 217 states and 270 transitions. [2023-12-03 02:55:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 270 transitions. [2023-12-03 02:55:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 02:55:41,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:41,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:41,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:41,017 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:41,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:55:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:43,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:44,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 02:55:44,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:44,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:55:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:46,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 218 states and 271 transitions. [2023-12-03 02:55:46,472 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 271 transitions. [2023-12-03 02:55:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 02:55:46,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:46,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:46,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:46,474 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:46,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:55:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:49,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:49,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 02:55:49,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:50,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:55:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:55:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 219 states and 272 transitions. [2023-12-03 02:55:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 272 transitions. [2023-12-03 02:55:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 02:55:51,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:55:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:55:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:55:51,820 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:55:51,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:55:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:54,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:55:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:55:55,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:55:55,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:55:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:55:55,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:56:07,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:56:07,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:07,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 220 states and 273 transitions. [2023-12-03 02:56:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 273 transitions. [2023-12-03 02:56:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-03 02:56:07,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:07,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:07,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:07,589 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:07,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:56:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:10,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:10,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:56:10,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:11,348 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-03 02:56:11,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:56:23,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:56:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 221 states and 274 transitions. [2023-12-03 02:56:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 274 transitions. [2023-12-03 02:56:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 02:56:23,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:23,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:23,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:23,567 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:23,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:56:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:27,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:56:27,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:56:27,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:56:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 222 states and 275 transitions. [2023-12-03 02:56:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 275 transitions. [2023-12-03 02:56:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 02:56:30,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:30,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:30,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:30,034 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:30,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:56:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:33,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:34,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 02:56:34,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:56:34,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:56:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 223 states and 276 transitions. [2023-12-03 02:56:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 276 transitions. [2023-12-03 02:56:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-03 02:56:37,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:37,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:37,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:37,084 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:37,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:56:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:40,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:40,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:56:40,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:41,496 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:56:41,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:56:54,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:56:54,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 224 states and 277 transitions. [2023-12-03 02:56:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2023-12-03 02:56:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 02:56:54,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:54,072 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:54,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:56:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:57,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:56:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:56:57,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:56:57,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:56:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 02:56:58,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:57:10,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:57:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:10,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 225 states and 278 transitions. [2023-12-03 02:57:10,910 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2023-12-03 02:57:10,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-03 02:57:10,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:10,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:10,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:10,911 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:10,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:57:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:14,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:15,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 02:57:15,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 02:57:15,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:57:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 226 states and 279 transitions. [2023-12-03 02:57:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 279 transitions. [2023-12-03 02:57:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-03 02:57:17,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:17,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:17,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:17,819 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:17,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:57:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:21,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:21,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 02:57:21,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 02:57:22,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:57:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 227 states and 280 transitions. [2023-12-03 02:57:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 280 transitions. [2023-12-03 02:57:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 02:57:24,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:24,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:24,918 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:24,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:57:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:28,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:29,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:57:29,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 02:57:29,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:57:42,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:57:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:42,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 228 states and 281 transitions. [2023-12-03 02:57:42,167 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2023-12-03 02:57:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 02:57:42,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:42,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:42,168 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:42,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:57:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:45,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:57:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:57:46,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:57:46,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:57:46,999 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-12-03 02:57:47,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:57:59,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:57:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:57:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 229 states and 282 transitions. [2023-12-03 02:57:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2023-12-03 02:57:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-03 02:57:59,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:57:59,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:57:59,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:57:59,462 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:57:59,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:58:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:03,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:03,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 02:58:03,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:04,367 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 02:58:04,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:58:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:58:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 230 states and 283 transitions. [2023-12-03 02:58:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 283 transitions. [2023-12-03 02:58:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 02:58:07,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:58:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:58:07,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:58:07,097 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:58:07,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:58:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:11,070 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:58:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:58:11,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-03 02:58:11,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:58:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2023-12-03 02:58:12,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f46495d-28fd-4b26-bf6e-fae5011ab464/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0