./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/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_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:21,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:21,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:35:21,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:35:21,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:35:21,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:21,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:21,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:21,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:21,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:21,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:21,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:21,519 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:35:21,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:35:21,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:35:21,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:21,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:21,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:21,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:21,523 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:35:21,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:21,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:21,525 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:21,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:21,526 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:21,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:21,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:21,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:21,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:21,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:21,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:35:21,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:35:21,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:21,529 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_518814b5-2fbf-4862-bb24-90857b11a32e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed [2023-12-03 03:35:21,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:21,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:21,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:21,783 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:21,784 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:21,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-12-03 03:35:24,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:24,749 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:24,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-12-03 03:35:24,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/713093022/8dff93d8c7824817ba2d094d93dd7690/FLAGa85ed56ae [2023-12-03 03:35:24,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/713093022/8dff93d8c7824817ba2d094d93dd7690 [2023-12-03 03:35:24,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:24,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:24,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:24,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:24,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:24,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:24" (1/1) ... [2023-12-03 03:35:24,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9fb620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:24, skipping insertion in model container [2023-12-03 03:35:24,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:24" (1/1) ... [2023-12-03 03:35:24,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:24,955 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-12-03 03:35:24,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:25,001 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:25,011 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-12-03 03:35:25,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:25,043 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:25,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25 WrapperNode [2023-12-03 03:35:25,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:25,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:25,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:25,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:25,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,085 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-12-03 03:35:25,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:25,086 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:25,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:25,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:25,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:25,114 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:25,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:25,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:25,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:25,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:25,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:25,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:35:25,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:35:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:35:25,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:25,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:25,234 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:25,235 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:25,410 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:25,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:25,498 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:35:25,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:25 BoogieIcfgContainer [2023-12-03 03:35:25,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:25,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:25,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:25,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:25,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:25" (1/1) ... [2023-12-03 03:35:25,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:25,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 03:35:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 03:35:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:35:25,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:25,772 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:25,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:35:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:35:26,039 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:35:26,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:35:26 ImpRootNode [2023-12-03 03:35:26,078 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:35:26,079 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:35:26,079 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:35:26,079 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:35:26,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:25" (3/4) ... [2023-12-03 03:35:26,082 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:35:26,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:35:26,085 INFO L158 Benchmark]: Toolchain (without parser) took 1305.97ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 104.6MB in the beginning and 145.0MB in the end (delta: -40.3MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-03 03:35:26,085 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:26,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.03ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 92.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:35:26,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.94ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:35:26,087 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:26,088 INFO L158 Benchmark]: RCFGBuilder took 385.58ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 70.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:35:26,089 INFO L158 Benchmark]: CodeCheck took 577.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 70.6MB in the beginning and 145.0MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:26,089 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 184.5MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:35:26,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 38. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] float var_1_6 = 2.375; [L25] float var_1_7 = 10.8; [L26] double var_1_9 = 9.6; [L27] double var_1_12 = 128.5; [L28] unsigned char var_1_13 = 128; [L29] float var_1_14 = 8.5; [L30] unsigned char var_1_15 = 128; [L31] unsigned char last_1_var_1_13 = 128; [L81] isInitial = 1 [L82] FCALL initially() [L83] COND TRUE 1 [L84] CALL updateLastVariables() [L74] last_1_var_1_13 = var_1_13 [L84] RET updateLastVariables() [L85] CALL updateVariables() [L57] var_1_4 = __VERIFIER_nondet_uchar() [L58] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L59] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_6=19/8, var_1_7=54/5, var_1_9=48/5] [L60] var_1_6 = __VERIFIER_nondet_float() [L61] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_7=54/5, var_1_9=48/5] [L62] var_1_7 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_12=257/2, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L64] var_1_12 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_14=17/2, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L66] var_1_14 = __VERIFIER_nondet_float() [L67] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L68] CALL assume_abort_if_not(var_1_14 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_14 != 0.0F) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=128, var_1_1=1, var_1_4=1, var_1_9=48/5] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 >= 127) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L71] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=128, var_1_13=128, var_1_15=133, var_1_1=1, var_1_4=1, var_1_9=48/5] [L85] RET updateVariables() [L86] CALL step() [L35] COND TRUE ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13) [L36] var_1_9 = var_1_12 [L38] COND TRUE var_1_9 <= (16.2f / var_1_14) [L39] var_1_13 = (var_1_15 - 5) [L41] unsigned char stepLocal_0 = var_1_9 > var_1_9; [L42] COND TRUE stepLocal_0 && var_1_4 [L43] COND FALSE !(((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) [L50] var_1_1 = var_1_13 [L86] RET step() [L87] CALL, EXPR property() [L77-L78] return ((((var_1_9 > var_1_9) && var_1_4) ? ((((((var_1_9) > ((- var_1_9))) ? (var_1_9) : ((- var_1_9)))) != var_1_9) ? ((! (var_1_9 >= (var_1_6 - var_1_7))) ? (var_1_1 == ((unsigned long int) var_1_13)) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) : (var_1_1 == ((unsigned long int) var_1_13))) && ((((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < (last_1_var_1_13 + last_1_var_1_13)) ? (var_1_9 == ((double) var_1_12)) : 1)) && ((var_1_9 <= (16.2f / var_1_14)) ? (var_1_13 == ((unsigned char) (var_1_15 - 5))) : 1) ; [L87] RET, EXPR property() [L87] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=128, var_1_12=2, var_1_13=128, var_1_15=133, var_1_1=128, var_1_4=1, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.03ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 92.7MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.94ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 138.4MB. Free memory was 90.6MB in the beginning and 89.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.58ms. Allocated memory is still 138.4MB. Free memory was 89.0MB in the beginning and 70.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 577.37ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 70.6MB in the beginning and 145.0MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 184.5MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:35:26,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/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_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:35:28,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:35:28,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:35:28,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:35:28,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:35:28,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:35:28,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:35:28,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:35:28,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:35:28,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:35:28,137 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:35:28,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:35:28,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:35:28,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:35:28,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:35:28,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:35:28,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:35:28,141 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:35:28,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:35:28,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:35:28,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:35:28,143 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:35:28,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:35:28,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:35:28,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:35:28,145 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:28,146 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:28,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:35:28,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:28,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:35:28,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:35:28,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:35:28,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:35:28,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:28,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:35:28,149 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:35:28,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:35:28,150 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_518814b5-2fbf-4862-bb24-90857b11a32e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a35769e60951934d6bdd49ba63ee6bf96f7f37fd27fc4fb212883b40db8837ed [2023-12-03 03:35:28,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:35:28,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:35:28,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:35:28,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:35:28,464 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:35:28,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-12-03 03:35:31,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:35:31,477 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:35:31,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i [2023-12-03 03:35:31,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/55f1cba6e/e6665ae0bc6a4f5fb7e1d1e5facbfcb9/FLAG0f536c9d4 [2023-12-03 03:35:31,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/data/55f1cba6e/e6665ae0bc6a4f5fb7e1d1e5facbfcb9 [2023-12-03 03:35:31,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:35:31,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:35:31,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:31,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:35:31,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:35:31,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ac6296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31, skipping insertion in model container [2023-12-03 03:35:31,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:35:31,659 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-12-03 03:35:31,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:31,709 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:35:31,720 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-36.i[915,928] [2023-12-03 03:35:31,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:35:31,757 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:35:31,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31 WrapperNode [2023-12-03 03:35:31,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:35:31,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:31,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:35:31,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:35:31,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,799 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 84 [2023-12-03 03:35:31,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:35:31,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:35:31,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:35:31,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:35:31,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,813 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:35:31,836 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:35:31,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:35:31,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:35:31,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:35:31" (1/1) ... [2023-12-03 03:35:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:35:31,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:35:31,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:35:31,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:35:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:35:31,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:35:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:35:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:35:31,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:35:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:35:31,975 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:35:31,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:35:37,056 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:35:37,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:35:37,151 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:35:37,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:37 BoogieIcfgContainer [2023-12-03 03:35:37,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:35:37,154 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:35:37,154 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:35:37,164 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:35:37,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:35:37" (1/1) ... [2023-12-03 03:35:37,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:35:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:37,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-03 03:35:37,224 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-03 03:35:37,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 03:35:37,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:37,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:35:37,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:35:37,232 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:35:37,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:35:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:37,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:35:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:38,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 03:35:38,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 35 proven. 11 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-03 03:35:59,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:36:03,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:04,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:04,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 68 transitions. [2023-12-03 03:36:04,973 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2023-12-03 03:36:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:36:04,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:04,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:04,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:04,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:04,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:36:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:06,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:36:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:06,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:36:06,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:36:51,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:36:59,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.66s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:36:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:36:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:36:59,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:59,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:36:59,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:36:59,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:36:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:37:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:00,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:37:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:01,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:37:01,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:25,096 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:37:44,382 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:37:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:37:46,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:37:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:37:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:37:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:37:48,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:48,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:37:48,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:37:48,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:37:48,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:37:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:49,301 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:37:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:49,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:37:49,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:10,504 WARN L293 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:38:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:38:43,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:38:43,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:38:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:38:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:38:43,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:43,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:38:43,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:38:43,129 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:38:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:38:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:44,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:38:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:44,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:38:44,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:39:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:39:37,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:39:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:39:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:39:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:39:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:39:37,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:39:37,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:39:37,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:39:37,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:39:37,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:39:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:38,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:39:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:39:38,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:39:38,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:40:22,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:40:23,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:40:23,002 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:40:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:40:23,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:23,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:40:23,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:40:23,004 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:40:23,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:40:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:24,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:40:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:24,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:40:24,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:41:14,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 03:41:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:41:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:41:14,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:41:14,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:14,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:41:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:41:14,077 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:41:14,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:41:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:15,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:41:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:15,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:41:15,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:02,662 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:42:02,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:42:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:42:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:42:02,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:42:02,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:02,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:02,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:02,691 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:02,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:42:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:03,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:04,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:42:04,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:18,105 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-03 03:42:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:42:50,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:42:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 80 transitions. [2023-12-03 03:42:50,704 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-03 03:42:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:42:50,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:50,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:42:50,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:42:50,707 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:42:50,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:42:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:51,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:42:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:52,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:42:52,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 21 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:43:34,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:43:43,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:44,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:47,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:53,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 152 transitions. [2023-12-03 03:43:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2023-12-03 03:43:53,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:43:53,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:53,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:53,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:53,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:53,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:43:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:54,495 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:54,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:43:54,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:44:45,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:44:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 152 transitions. [2023-12-03 03:44:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2023-12-03 03:44:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:44:46,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:46,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:46,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:46,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:44:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:47,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:47,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:44:47,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:45:43,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:49,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 82 states and 162 transitions. [2023-12-03 03:45:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2023-12-03 03:45:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:45:49,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:49,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:49,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:49,350 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:49,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:45:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:50,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:50,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:45:50,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:46:36,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:46:43,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:43,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:46:43,835 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:46:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:46:43,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:43,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:43,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:43,837 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:43,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:46:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:44,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:45,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:46:45,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:47:36,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:47:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:36,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:47:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:47:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:47:36,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:36,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:36,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:36,464 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:36,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:47:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:37,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:37,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:47:37,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:48:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:48:23,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 03:48:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:48:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:48:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:48:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:48:23,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:48:23,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:48:23,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:48:23,450 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:48:23,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:48:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:24,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:48:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:48:24,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:48:24,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:49:10,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 03:49:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:49:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:49:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:49:10,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:10,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:10,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:10,233 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:10,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:49:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:11,349 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:11,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:49:11,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:49:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 21 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:49:43,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:49:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:49:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:49:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:49:43,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:49:43,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:49:43,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:49:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:49:43,095 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:49:43,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:49:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:44,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:49:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:49:44,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:49:44,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:50:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-12-03 03:50:30,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:50:30,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 172 transitions. [2023-12-03 03:50:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 172 transitions. [2023-12-03 03:50:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-03 03:50:30,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:30,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:50:30,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:50:30,877 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:50:30,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_518814b5-2fbf-4862-bb24-90857b11a32e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:50:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:32,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:50:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:32,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-03 03:50:32,411 INFO L285 TraceCheckSpWp]: Computing forward predicates...