./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/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_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/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_54f0284a-b66f-415d-8210-354b416fa9f2/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:41:22,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:41:22,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2023-12-03 03:41:22,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:41:22,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:41:22,697 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:41:22,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:41:22,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:41:22,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:41:22,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:41:22,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:41:22,700 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:41:22,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:41:22,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:41:22,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:41:22,702 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:41:22,703 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:41:22,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:41:22,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:41:22,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:41:22,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:41:22,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:41:22,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:41:22,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:41:22,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:41:22,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:41:22,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:41:22,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:41:22,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:41:22,709 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:41:22,710 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:41:22,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:41:22,711 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_54f0284a-b66f-415d-8210-354b416fa9f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 03:41:22,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:41:22,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:41:22,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:41:22,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:41:22,964 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:41:22,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 03:41:25,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:41:26,087 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:41:26,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 03:41:26,106 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/7948ea665/cbe80a9ab6ed40b0a09ea0b21c37002d/FLAG97c717998 [2023-12-03 03:41:26,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/7948ea665/cbe80a9ab6ed40b0a09ea0b21c37002d [2023-12-03 03:41:26,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:41:26,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:41:26,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:41:26,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:41:26,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:41:26,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:26,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d00c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26, skipping insertion in model container [2023-12-03 03:41:26,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:26,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:41:26,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:41:26,767 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:41:26,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:41:26,923 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:41:26,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26 WrapperNode [2023-12-03 03:41:26,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:41:26,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:41:26,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:41:26,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:41:26,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:26,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,029 INFO L138 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1803 [2023-12-03 03:41:27,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:41:27,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:41:27,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:41:27,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:41:27,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,049 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:41:27,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:41:27,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:41:27,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:41:27,142 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:41:26" (1/1) ... [2023-12-03 03:41:27,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:41:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:41:27,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:41:27,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:41:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:41:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:41:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:41:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:41:27,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:41:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:41:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:41:27,456 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:41:27,459 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:41:29,077 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:41:30,680 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:41:30,680 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 03:41:30,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:41:30 BoogieIcfgContainer [2023-12-03 03:41:30,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:41:30,683 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:41:30,683 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:41:30,693 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:41:30,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:41:30" (1/1) ... [2023-12-03 03:41:30,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:41:30,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 136 states and 237 transitions. [2023-12-03 03:41:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2023-12-03 03:41:30,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:41:30,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:30,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:30,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2023-12-03 03:41:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2023-12-03 03:41:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:41:30,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:31,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 246 transitions. [2023-12-03 03:41:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2023-12-03 03:41:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:41:31,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:31,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 247 transitions. [2023-12-03 03:41:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 247 transitions. [2023-12-03 03:41:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:41:31,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:31,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:31,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:31,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2023-12-03 03:41:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2023-12-03 03:41:31,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:41:31,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:31,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:31,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:31,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:31,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:31,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 239 transitions. [2023-12-03 03:41:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2023-12-03 03:41:31,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:41:31,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:31,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 246 transitions. [2023-12-03 03:41:32,077 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 246 transitions. [2023-12-03 03:41:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:41:32,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:32,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:32,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 144 states and 238 transitions. [2023-12-03 03:41:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 238 transitions. [2023-12-03 03:41:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:41:32,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:32,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:32,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:32,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 144 states and 226 transitions. [2023-12-03 03:41:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2023-12-03 03:41:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:41:32,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:32,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:41:32,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:41:42,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:52,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 144 states and 214 transitions. [2023-12-03 03:41:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2023-12-03 03:41:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:41:52,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:52,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:53,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:53,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:42:03,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:13,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:23,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:33,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:43,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:53,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:03,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:13,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 180 states and 256 transitions. [2023-12-03 03:43:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 256 transitions. [2023-12-03 03:43:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:43:13,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:13,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:14,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:14,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 180 states and 254 transitions. [2023-12-03 03:43:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 254 transitions. [2023-12-03 03:43:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:43:14,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:14,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:14,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:14,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 180 states and 252 transitions. [2023-12-03 03:43:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 252 transitions. [2023-12-03 03:43:14,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:43:14,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:15,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 180 states and 250 transitions. [2023-12-03 03:43:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 250 transitions. [2023-12-03 03:43:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:43:15,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:15,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:15,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:15,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:15,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 180 states and 248 transitions. [2023-12-03 03:43:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 248 transitions. [2023-12-03 03:43:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:43:15,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:15,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:15,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:15,747 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 03:43:25,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:25,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 180 states and 246 transitions. [2023-12-03 03:43:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 246 transitions. [2023-12-03 03:43:25,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:43:25,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:25,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:26,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:26,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:26,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:36,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 180 states and 244 transitions. [2023-12-03 03:43:36,235 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 244 transitions. [2023-12-03 03:43:36,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:43:36,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:36,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:36,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:36,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:36,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:43:46,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:56,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:06,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:16,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:16,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 183 states and 246 transitions. [2023-12-03 03:44:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 246 transitions. [2023-12-03 03:44:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:44:16,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:16,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:17,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:17,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:44:27,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:37,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:47,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:57,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:57,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 186 states and 248 transitions. [2023-12-03 03:44:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 248 transitions. [2023-12-03 03:44:57,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:44:57,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:57,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:57,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:58,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 186 states and 246 transitions. [2023-12-03 03:44:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 246 transitions. [2023-12-03 03:44:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:44:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:58,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:44:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:58,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:44:58,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:08,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:18,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:28,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:38,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 197 states and 259 transitions. [2023-12-03 03:45:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2023-12-03 03:45:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:45:38,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:38,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:39,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:39,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:45:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 204 states and 267 transitions. [2023-12-03 03:45:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 267 transitions. [2023-12-03 03:45:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:45:39,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:39,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:45:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:39,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:45:39,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:45:49,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:45:59,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:09,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:20,002 WARN L539 Checker$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 03:46:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 207 states and 269 transitions. [2023-12-03 03:46:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 269 transitions. [2023-12-03 03:46:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:20,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:46:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:46:20,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:46:30,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:40,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:46:50,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:00,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:11,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:21,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:31,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:41,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:47:41,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:41,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 268 states and 351 transitions. [2023-12-03 03:47:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 351 transitions. [2023-12-03 03:47:41,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:47:41,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:47:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:47:52,376 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 03:47:52,380 INFO L158 Benchmark]: Toolchain (without parser) took 386254.71ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 95.4MB in the beginning and 141.1MB in the end (delta: -45.7MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,380 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:47:52,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 798.01ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 106.2MB in the end (delta: -11.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,381 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.18ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 94.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,382 INFO L158 Benchmark]: Boogie Preprocessor took 110.39ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 81.9MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,382 INFO L158 Benchmark]: RCFGBuilder took 3541.12ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 81.9MB in the beginning and 156.9MB in the end (delta: -75.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,383 INFO L158 Benchmark]: CodeCheck took 381695.55ms. Allocated memory is still 251.7MB. Free memory was 156.9MB in the beginning and 141.1MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-12-03 03:47:52,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 798.01ms. Allocated memory is still 151.0MB. Free memory was 95.1MB in the beginning and 106.2MB in the end (delta: -11.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.18ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 94.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.39ms. Allocated memory is still 151.0MB. Free memory was 94.6MB in the beginning and 81.9MB in the end (delta: 12.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3541.12ms. Allocated memory was 151.0MB in the beginning and 251.7MB in the end (delta: 100.7MB). Free memory was 81.9MB in the beginning and 156.9MB in the end (delta: -75.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * CodeCheck took 381695.55ms. Allocated memory is still 251.7MB. Free memory was 156.9MB in the beginning and 141.1MB in the end (delta: 15.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:47:52,595 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:47:52,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/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_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/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_54f0284a-b66f-415d-8210-354b416fa9f2/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 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:47:54,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:47:54,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2023-12-03 03:47:54,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:47:54,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:47:54,363 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:47:54,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:47:54,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:47:54,365 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:47:54,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:47:54,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:47:54,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:47:54,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:47:54,368 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-03 03:47:54,368 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-03 03:47:54,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:47:54,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:47:54,370 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:47:54,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:47:54,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:47:54,372 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:47:54,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:47:54,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:47:54,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:47:54,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:47:54,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:47:54,375 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:47:54,375 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:54,376 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:47:54,376 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:47:54,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:54,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:47:54,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:47:54,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:47:54,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:54,378 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:47:54,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:47:54,378 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_54f0284a-b66f-415d-8210-354b416fa9f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87dd09ebbd7004650762949ef44f5f810b259dfe76e04f61193dc727167eb435 [2023-12-03 03:47:54,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:47:54,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:47:54,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:47:54,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:47:54,696 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:47:54,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 03:47:57,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:47:57,691 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:47:57,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_nondet_test4-3.i [2023-12-03 03:47:57,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/21921a4ec/003cd2bbace24e189a6dc986269b1546/FLAGb09dc2a7e [2023-12-03 03:47:57,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/data/21921a4ec/003cd2bbace24e189a6dc986269b1546 [2023-12-03 03:47:57,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:47:57,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:47:57,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:57,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:47:57,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:47:57,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:57" (1/1) ... [2023-12-03 03:47:57,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79374aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:57, skipping insertion in model container [2023-12-03 03:47:57,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:47:57" (1/1) ... [2023-12-03 03:47:58,027 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:47:58,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:58,601 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:47:58,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:47:58,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:58,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:47:58,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:47:58,824 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:47:58,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58 WrapperNode [2023-12-03 03:47:58,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:47:58,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:58,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:47:58,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:47:58,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:58,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:58,947 INFO L138 Inliner]: procedures = 180, calls = 439, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1452 [2023-12-03 03:47:58,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:47:58,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:47:58,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:47:58,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:47:58,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:58,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:58,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:58,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:47:59,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:47:59,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:47:59,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:47:59,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:47:58" (1/1) ... [2023-12-03 03:47:59,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:47:59,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:47:59,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:47:59,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:47:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:47:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:47:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:47:59,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:47:59,374 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:47:59,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:48:27,350 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:48:27,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:48:27,881 INFO L309 CfgBuilder]: Removed 77 assume(true) statements. [2023-12-03 03:48:27,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:48:27 BoogieIcfgContainer [2023-12-03 03:48:27,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:48:27,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:48:27,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:48:27,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:48:27,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:48:27" (1/1) ... [2023-12-03 03:48:27,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:48:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 136 states and 237 transitions. [2023-12-03 03:48:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2023-12-03 03:48:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 03:48:27,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:27,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:27,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:27,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:27,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:48:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:28,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:28,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:28,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:28,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:28,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 238 transitions. [2023-12-03 03:48:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2023-12-03 03:48:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:48:28,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:28,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:28,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:28,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:28,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:48:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:28,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:28,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:48:28,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:28,860 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:48:28,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:48:29,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 140 states and 246 transitions. [2023-12-03 03:48:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 246 transitions. [2023-12-03 03:48:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:48:29,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:29,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:29,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:29,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:29,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:48:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:29,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:29,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:29,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:29,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:48:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 141 states and 247 transitions. [2023-12-03 03:48:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 247 transitions. [2023-12-03 03:48:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:48:29,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:29,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:29,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:29,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:29,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:48:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:30,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:30,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:30,267 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:48:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 141 states and 243 transitions. [2023-12-03 03:48:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 243 transitions. [2023-12-03 03:48:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:48:30,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:30,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:30,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:30,294 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:48:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,629 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:30,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:30,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:48:30,715 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:48:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 141 states and 239 transitions. [2023-12-03 03:48:30,721 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 239 transitions. [2023-12-03 03:48:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:48:30,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:30,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:30,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:30,725 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:30,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:48:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:30,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:31,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:48:31,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:31,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:48:31,154 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:48:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:31,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 144 states and 245 transitions. [2023-12-03 03:48:31,799 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2023-12-03 03:48:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:48:31,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:31,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:31,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:31,802 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:31,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:48:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:32,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:32,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:32,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:32,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:48:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 144 states and 237 transitions. [2023-12-03 03:48:32,168 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 237 transitions. [2023-12-03 03:48:32,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:48:32,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:32,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:32,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:32,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:32,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:48:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:32,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:32,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:32,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:32,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:32,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:48:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 144 states and 225 transitions. [2023-12-03 03:48:32,598 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 225 transitions. [2023-12-03 03:48:32,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 03:48:32,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:32,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:32,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:32,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:32,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:48:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:33,073 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:33,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:33,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:33,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:48:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 144 states and 213 transitions. [2023-12-03 03:48:35,319 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 213 transitions. [2023-12-03 03:48:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:48:35,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:35,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:35,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:35,321 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:35,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:48:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:35,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:36,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:36,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:36,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:48:36,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:36,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2023-12-03 03:48:36,989 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2023-12-03 03:48:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:48:36,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:36,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:36,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:36,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:36,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:48:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:37,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:37,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:37,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:37,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:48:37,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 155 states and 223 transitions. [2023-12-03 03:48:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 223 transitions. [2023-12-03 03:48:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:48:37,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:37,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:37,867 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:37,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:48:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:38,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:38,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:38,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:38,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:38,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:48:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 155 states and 221 transitions. [2023-12-03 03:48:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 221 transitions. [2023-12-03 03:48:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 03:48:38,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:38,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:38,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:38,803 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:38,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:48:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:39,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:48:39,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:39,752 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 03:48:39,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:48:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 155 states and 219 transitions. [2023-12-03 03:48:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2023-12-03 03:48:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-03 03:48:39,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:39,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:39,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:39,768 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:48:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:40,480 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:40,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:40,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:48:41,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:48:41,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 158 states and 221 transitions. [2023-12-03 03:48:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 221 transitions. [2023-12-03 03:48:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:48:41,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:41,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:41,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:41,040 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:41,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:48:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:41,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:42,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:48:42,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:48:42,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:48:53,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:03,227 WARN L539 Checker$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 03:49:13,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:23,285 WARN L539 Checker$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 03:49:25,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:28,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:29,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:49:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:29,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 199 states and 271 transitions. [2023-12-03 03:49:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 271 transitions. [2023-12-03 03:49:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-03 03:49:29,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:29,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:29,657 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:29,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:49:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:30,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:30,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:30,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:30,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:30,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:49:30,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:30,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 199 states and 269 transitions. [2023-12-03 03:49:30,881 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 269 transitions. [2023-12-03 03:49:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 03:49:30,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:30,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:30,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:30,883 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:49:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:31,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:32,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:32,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:32,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 03:49:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 199 states and 267 transitions. [2023-12-03 03:49:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 267 transitions. [2023-12-03 03:49:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:49:32,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:32,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:32,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:32,168 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:32,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:49:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:33,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:33,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:33,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:33,544 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 03:49:33,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:49:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 199 states and 265 transitions. [2023-12-03 03:49:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 265 transitions. [2023-12-03 03:49:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:49:33,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:33,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:33,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:33,570 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:33,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:49:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:34,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:35,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:49:35,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:35,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2023-12-03 03:49:45,080 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 03:49:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 199 states and 263 transitions. [2023-12-03 03:49:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 263 transitions. [2023-12-03 03:49:45,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:49:45,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:45,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:45,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:45,116 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:45,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:49:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:46,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:46,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:49:46,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:46,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:49:46,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:49:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 202 states and 265 transitions. [2023-12-03 03:49:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2023-12-03 03:49:47,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-03 03:49:47,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:47,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:47,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:47,046 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:47,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:49:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:48,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:48,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:49:48,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:49:49,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:49:49,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 205 states and 267 transitions. [2023-12-03 03:49:49,052 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2023-12-03 03:49:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:49:49,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:49,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:49,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:49,054 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:49,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:49:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:50,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:50,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:49:50,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:49:51,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 03:49:58,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:08,208 WARN L539 Checker$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 03:50:18,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:27,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:29,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:31,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:41,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:50:52,019 WARN L539 Checker$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 03:50:59,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:09,609 WARN L539 Checker$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 03:51:12,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:13,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:14,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 265 states and 345 transitions. [2023-12-03 03:51:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 345 transitions. [2023-12-03 03:51:14,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-03 03:51:14,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:14,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:14,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:14,802 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:14,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:51:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:16,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:16,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:16,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:16,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 03:51:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 266 states and 346 transitions. [2023-12-03 03:51:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 346 transitions. [2023-12-03 03:51:17,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 03:51:17,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:17,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:17,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:17,399 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:17,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:51:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:18,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:19,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:19,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:19,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:51:19,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:51:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 267 states and 347 transitions. [2023-12-03 03:51:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 347 transitions. [2023-12-03 03:51:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:51:19,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:19,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:19,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:19,680 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:51:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:21,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:21,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:51:21,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:51:21,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:51:22,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:51:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 267 states and 346 transitions. [2023-12-03 03:51:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 346 transitions. [2023-12-03 03:51:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-03 03:51:23,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:23,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:23,004 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:23,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:51:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:24,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:24,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:24,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:51:25,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 03:51:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 268 states and 347 transitions. [2023-12-03 03:51:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 347 transitions. [2023-12-03 03:51:25,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:51:25,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:25,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:25,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:25,902 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:25,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:51:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:27,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:28,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:28,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:28,170 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 03:51:28,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:51:38,873 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 03:51:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 269 states and 348 transitions. [2023-12-03 03:51:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 348 transitions. [2023-12-03 03:51:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 03:51:38,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:38,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:38,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:38,922 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:51:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:40,381 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:40,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:51:40,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 03:51:41,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:51:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 254 states and 329 transitions. [2023-12-03 03:51:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 329 transitions. [2023-12-03 03:51:41,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:51:41,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:41,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:41,221 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:41,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:51:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:42,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:43,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:43,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:51:43,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:51:53,896 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 03:51:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 255 states and 330 transitions. [2023-12-03 03:51:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 330 transitions. [2023-12-03 03:51:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:51:53,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:53,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:51:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:51:53,947 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:51:53,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:51:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:55,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:51:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:56,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:51:56,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:51:56,762 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 03:51:56,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 03:52:07,828 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 03:52:17,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:52:27,887 WARN L539 Checker$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 03:52:37,910 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 03:52:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 263 states and 340 transitions. [2023-12-03 03:52:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 340 transitions. [2023-12-03 03:52:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 03:52:37,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:37,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:37,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:37,959 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:37,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:52:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:40,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:40,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:52:40,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:52:40,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:52:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 264 states and 341 transitions. [2023-12-03 03:52:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 341 transitions. [2023-12-03 03:52:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:52:41,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:41,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:41,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:41,200 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:41,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:52:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:43,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:43,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:52:43,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 03:52:44,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:52:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 265 states and 342 transitions. [2023-12-03 03:52:44,901 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 342 transitions. [2023-12-03 03:52:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 03:52:44,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:44,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:44,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:44,903 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:44,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:52:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:47,099 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:52:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:52:47,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:52:47,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:52:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:52:47,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:52:58,645 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 03:52:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:52:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 266 states and 343 transitions. [2023-12-03 03:52:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 343 transitions. [2023-12-03 03:52:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:52:58,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:52:58,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:52:58,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:52:58,699 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:52:58,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:53:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:01,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:01,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:53:01,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 03:53:01,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:53:12,353 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 03:53:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 267 states and 344 transitions. [2023-12-03 03:53:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 344 transitions. [2023-12-03 03:53:12,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-03 03:53:12,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:12,399 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:12,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:53:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:14,598 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:15,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:53:15,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 03:53:15,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:53:15,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 270 states and 346 transitions. [2023-12-03 03:53:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 346 transitions. [2023-12-03 03:53:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 03:53:15,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:15,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:15,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:15,565 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:15,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:53:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:17,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:18,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:53:18,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 03:53:18,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:53:19,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:19,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 271 states and 347 transitions. [2023-12-03 03:53:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 347 transitions. [2023-12-03 03:53:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-03 03:53:19,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:19,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:19,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:19,751 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:19,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:53:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:22,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:22,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 807 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:53:22,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:23,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 03:53:23,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:53:34,209 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 03:53:34,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 272 states and 348 transitions. [2023-12-03 03:53:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 348 transitions. [2023-12-03 03:53:34,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:53:34,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:34,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:34,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:34,282 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:34,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:53:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:37,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:37,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:53:37,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-03 03:53:37,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 03:53:49,052 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 03:53:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:53:49,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 273 states and 349 transitions. [2023-12-03 03:53:49,105 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 349 transitions. [2023-12-03 03:53:49,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-03 03:53:49,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:53:49,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:53:49,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:53:49,107 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:53:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:53:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:52,104 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:53:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:53:52,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:53:52,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:53:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-03 03:53:52,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 03:54:03,571 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 03:54:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 274 states and 350 transitions. [2023-12-03 03:54:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 350 transitions. [2023-12-03 03:54:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:54:03,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:03,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:03,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:03,623 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:03,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:54:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:06,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:06,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:54:06,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-03 03:54:07,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:54:17,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:54:27,508 WARN L539 Checker$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 03:54:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 275 states and 352 transitions. [2023-12-03 03:54:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 352 transitions. [2023-12-03 03:54:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:54:27,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:27,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:27,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:27,558 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:27,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:54:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:30,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:31,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:54:31,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-12-03 03:54:31,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:54:42,349 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 03:54:42,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:42,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 276 states and 353 transitions. [2023-12-03 03:54:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2023-12-03 03:54:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:54:42,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:42,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:42,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:42,417 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:42,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:54:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:45,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:46,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-03 03:54:46,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:54:46,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 03:54:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:54:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 277 states and 354 transitions. [2023-12-03 03:54:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 354 transitions. [2023-12-03 03:54:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:54:46,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:54:46,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:54:46,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:54:46,908 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:54:46,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:54:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:49,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:54:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:54:50,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 03:54:50,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:54:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:54:50,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:55:02,001 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 03:55:12,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:55:22,061 WARN L539 Checker$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 03:55:32,088 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 03:55:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:32,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 285 states and 364 transitions. [2023-12-03 03:55:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 364 transitions. [2023-12-03 03:55:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:55:32,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:32,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:32,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:32,127 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:32,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:55:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:35,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:35,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:55:35,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:55:35,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 03:55:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 286 states and 365 transitions. [2023-12-03 03:55:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 365 transitions. [2023-12-03 03:55:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:55:36,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:36,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:36,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:36,835 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:36,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:55:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:39,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:40,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:55:40,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:40,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:55:40,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 03:55:40,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 286 states and 363 transitions. [2023-12-03 03:55:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 363 transitions. [2023-12-03 03:55:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 03:55:40,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:40,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:40,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:40,468 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:40,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:55:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:43,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:44,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 03:55:44,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:55:44,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:55:45,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:45,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 287 states and 364 transitions. [2023-12-03 03:55:45,999 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 364 transitions. [2023-12-03 03:55:45,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 03:55:45,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:46,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:46,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:46,001 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:46,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:55:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:49,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:49,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 03:55:49,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:50,298 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-03 03:55:50,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:55:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 288 states and 365 transitions. [2023-12-03 03:55:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 365 transitions. [2023-12-03 03:55:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-03 03:55:51,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:51,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:51,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:51,705 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:51,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f0284a-b66f-415d-8210-354b416fa9f2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process