./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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 64bit --witnessprinter.graph.data.programhash f3404e2fbc7a20869c435d02f711b49b9954190b9e76f3a225c068832cc39dae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:55:22,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:55:22,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:55:22,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:55:22,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:55:22,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:55:22,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:55:22,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:55:22,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:55:22,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:55:22,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:55:22,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:55:22,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:55:22,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:55:22,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:55:22,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:55:22,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:55:22,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:55:22,310 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:55:22,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:55:22,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:55:22,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:55:22,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:55:22,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:22,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:55:22,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:55:22,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:55:22,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:55:22,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:55:22,315 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:55:22,316 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3404e2fbc7a20869c435d02f711b49b9954190b9e76f3a225c068832cc39dae [2023-12-03 03:55:22,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:55:22,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:55:22,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:55:22,564 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:55:22,564 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:55:22,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-03 03:55:25,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:55:25,599 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:55:25,600 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-03 03:55:25,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/1c3632544/b0ebac413b33498c9f5d96ec9a984035/FLAG6ccfe5bf1 [2023-12-03 03:55:25,632 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/1c3632544/b0ebac413b33498c9f5d96ec9a984035 [2023-12-03 03:55:25,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:55:25,635 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:55:25,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:25,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:55:25,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:55:25,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:25" (1/1) ... [2023-12-03 03:55:25,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1793ad20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:25, skipping insertion in model container [2023-12-03 03:55:25,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:25" (1/1) ... [2023-12-03 03:55:25,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:55:25,920 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-03 03:55:26,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:26,281 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:55:26,293 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-03 03:55:26,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:26,440 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:55:26,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26 WrapperNode [2023-12-03 03:55:26,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:26,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:26,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:55:26,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:55:26,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:26,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:26,957 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5210 [2023-12-03 03:55:26,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:26,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:55:26,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:55:26,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:55:26,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:26,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,299 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:55:27,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:55:27,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:55:27,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:55:27,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:26" (1/1) ... [2023-12-03 03:55:27,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:55:27,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:55:27,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:55:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:55:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:55:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:55:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:55:28,015 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:55:28,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:55:31,676 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:55:37,972 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:55:37,972 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:55:37,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:37 BoogieIcfgContainer [2023-12-03 03:55:37,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:55:37,974 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:55:37,974 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:55:37,981 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:55:37,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:37" (1/1) ... [2023-12-03 03:55:37,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:55:38,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:55:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:55:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:55:38,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:50,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:56:00,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:56:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:56:01,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 03:56:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 03:56:01,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:56:01,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:56:01,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:58:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:58:56,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:02:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:02:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:02:25,960 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:02:25,964 INFO L158 Benchmark]: Toolchain (without parser) took 420328.74ms. Allocated memory was 157.3MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 120.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 804.7MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,965 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:02:25,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.55ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 84.8MB in the end (delta: 35.9MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 516.48ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 84.8MB in the beginning and 88.0MB in the end (delta: -3.2MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,967 INFO L158 Benchmark]: Boogie Preprocessor took 559.09ms. Allocated memory is still 216.0MB. Free memory was 88.0MB in the beginning and 66.4MB in the end (delta: 21.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,968 INFO L158 Benchmark]: RCFGBuilder took 10455.59ms. Allocated memory was 216.0MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 66.4MB in the beginning and 475.8MB in the end (delta: -409.4MB). Peak memory consumption was 697.9MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,968 INFO L158 Benchmark]: CodeCheck took 407989.03ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 475.8MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. [2023-12-03 04:02:25,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 60.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.55ms. Allocated memory is still 157.3MB. Free memory was 120.7MB in the beginning and 84.8MB in the end (delta: 35.9MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 516.48ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 84.8MB in the beginning and 88.0MB in the end (delta: -3.2MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 559.09ms. Allocated memory is still 216.0MB. Free memory was 88.0MB in the beginning and 66.4MB in the end (delta: 21.6MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * RCFGBuilder took 10455.59ms. Allocated memory was 216.0MB in the beginning and 1.2GB in the end (delta: 960.5MB). Free memory was 66.4MB in the beginning and 475.8MB in the end (delta: -409.4MB). Peak memory consumption was 697.9MB. Max. memory is 16.1GB. * CodeCheck took 407989.03ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 475.8MB in the beginning and 1.5GB in the end (delta: -1.0GB). Peak memory consumption was 141.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:02:26,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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 64bit --witnessprinter.graph.data.programhash f3404e2fbc7a20869c435d02f711b49b9954190b9e76f3a225c068832cc39dae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:02:27,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:02:28,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:02:28,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:02:28,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:02:28,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:02:28,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:02:28,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:02:28,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:02:28,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:02:28,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:02:28,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:02:28,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:02:28,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:02:28,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:02:28,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:02:28,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:02:28,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:02:28,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:02:28,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:02:28,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:02:28,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:02:28,086 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:28,086 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:02:28,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:02:28,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:02:28,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:02:28,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:02:28,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:02:28,089 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:02:28,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:28,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:02:28,090 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:02:28,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:02:28,090 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3404e2fbc7a20869c435d02f711b49b9954190b9e76f3a225c068832cc39dae [2023-12-03 04:02:28,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:02:28,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:02:28,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:02:28,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:02:28,394 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:02:28,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-03 04:02:31,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:02:31,433 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:02:31,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c [2023-12-03 04:02:31,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/2d51945c2/ab00c281e9454bbb9a0d68dbec8afa97/FLAG953bb6c64 [2023-12-03 04:02:31,467 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/data/2d51945c2/ab00c281e9454bbb9a0d68dbec8afa97 [2023-12-03 04:02:31,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:02:31,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:02:31,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:31,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:02:31,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:02:31,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:31" (1/1) ... [2023-12-03 04:02:31,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cbdd67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:31, skipping insertion in model container [2023-12-03 04:02:31,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:02:31" (1/1) ... [2023-12-03 04:02:31,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:02:31,725 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-03 04:02:32,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:32,038 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:02:32,050 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_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p8.c[1260,1273] [2023-12-03 04:02:32,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:02:32,194 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:02:32,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32 WrapperNode [2023-12-03 04:02:32,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:02:32,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:32,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:02:32,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:02:32,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,329 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1840 [2023-12-03 04:02:32,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:02:32,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:02:32,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:02:32,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:02:32,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:02:32,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:02:32,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:02:32,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:02:32,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:02:32" (1/1) ... [2023-12-03 04:02:32,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:02:32,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:02:32,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:02:32,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:02:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:02:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:02:32,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:02:32,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:02:32,862 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:02:32,864 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:02:35,162 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:02:35,288 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:02:35,289 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:02:35,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:35 BoogieIcfgContainer [2023-12-03 04:02:35,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:02:35,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:02:35,291 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:02:35,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:02:35,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:02:35" (1/1) ... [2023-12-03 04:02:35,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:02:35,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:02:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:02:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:02:35,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:35,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:35,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:35,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:35,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:02:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:35,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:36,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:02:36,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:36,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:36,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:02:36,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:02:36,630 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:02:36,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:02:36,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:36,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:36,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:36,632 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:36,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:02:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:37,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:38,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 1606 conjuncts, 96 conjunts are in the unsatisfiable core [2023-12-03 04:02:38,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:40,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:02:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:42,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 12 states and 20 transitions. [2023-12-03 04:02:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 20 transitions. [2023-12-03 04:02:42,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:02:42,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:42,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:42,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:42,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:42,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:02:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:44,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:44,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 04:02:44,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:45,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:02:52,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:02:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2023-12-03 04:02:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2023-12-03 04:02:52,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:02:52,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:02:52,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:02:52,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:02:52,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:02:52,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:02:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:54,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:02:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:02:54,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 3072 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-03 04:02:54,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:02:55,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:02:55,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:03:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 26 states and 60 transitions. [2023-12-03 04:03:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 60 transitions. [2023-12-03 04:03:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:03:02,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:02,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:02,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:02,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:03:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:04,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:05,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 4538 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-03 04:03:05,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:03:06,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:03:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 32 states and 76 transitions. [2023-12-03 04:03:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 76 transitions. [2023-12-03 04:03:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:03:13,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:13,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:13,896 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:13,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:03:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:16,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:17,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 4538 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-03 04:03:17,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:03:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:03:19,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:03:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:03:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 34 states and 84 transitions. [2023-12-03 04:03:23,409 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 84 transitions. [2023-12-03 04:03:23,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:03:23,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:03:23,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:23,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:03:23,411 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:03:23,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:03:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:27,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:03:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:03:28,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 6004 conjuncts, 997 conjunts are in the unsatisfiable core [2023-12-03 04:03:28,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:14,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:05:52,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:05:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 47 states and 126 transitions. [2023-12-03 04:05:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 126 transitions. [2023-12-03 04:05:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:05:52,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:05:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:05:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:05:52,086 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:05:52,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:05:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:56,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:05:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:57,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 7470 conjuncts, 98 conjunts are in the unsatisfiable core [2023-12-03 04:05:57,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:05:59,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:06:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 54 states and 144 transitions. [2023-12-03 04:06:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 144 transitions. [2023-12-03 04:06:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 04:06:20,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:20,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:20,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:06:20,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:06:20,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:06:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:25,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:06:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:27,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 7470 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-03 04:06:27,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:27,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:06:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:30,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 55 states and 145 transitions. [2023-12-03 04:06:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 145 transitions. [2023-12-03 04:06:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:06:30,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:30,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:30,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:06:30,432 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:06:30,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:06:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:35,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:06:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:37,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 8936 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-03 04:06:37,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:38,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:06:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 151 transitions. [2023-12-03 04:06:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 151 transitions. [2023-12-03 04:06:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 04:06:47,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:47,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:47,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:06:47,387 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:06:47,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:06:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:52,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:06:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:06:54,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 8936 conjuncts, 107 conjunts are in the unsatisfiable core [2023-12-03 04:06:54,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:06:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 04:06:55,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:06:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 152 transitions. [2023-12-03 04:06:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 152 transitions. [2023-12-03 04:06:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:06:58,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:58,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:58,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:06:58,326 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:06:58,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:07:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:04,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:06,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 10402 conjuncts, 131 conjunts are in the unsatisfiable core [2023-12-03 04:07:06,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:07:07,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:07:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:07:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 66 states and 169 transitions. [2023-12-03 04:07:32,037 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 169 transitions. [2023-12-03 04:07:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:07:32,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:07:32,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:07:32,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:07:32,039 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:07:32,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:07:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:37,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:40,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 10402 conjuncts, 117 conjunts are in the unsatisfiable core [2023-12-03 04:07:40,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:07:42,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:08:01,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 72 states and 182 transitions. [2023-12-03 04:08:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 182 transitions. [2023-12-03 04:08:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:08:01,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:01,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:01,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:01,455 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:08:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:07,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:09,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 10402 conjuncts, 122 conjunts are in the unsatisfiable core [2023-12-03 04:08:09,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:08:10,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:08:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 75 states and 186 transitions. [2023-12-03 04:08:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 186 transitions. [2023-12-03 04:08:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:08:17,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:17,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:17,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:17,832 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:17,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:08:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:24,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:26,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 11868 conjuncts, 134 conjunts are in the unsatisfiable core [2023-12-03 04:08:26,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:08:28,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:08:31,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:31,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 76 states and 187 transitions. [2023-12-03 04:08:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 187 transitions. [2023-12-03 04:08:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 04:08:31,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:31,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:31,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:31,507 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:31,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:08:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:38,464 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:41,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 11868 conjuncts, 132 conjunts are in the unsatisfiable core [2023-12-03 04:08:41,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:43,022 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:08:43,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:08:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 79 states and 196 transitions. [2023-12-03 04:08:57,944 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 196 transitions. [2023-12-03 04:08:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:08:57,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:57,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:57,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:57,946 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:57,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ca1fb8-9ef1-41e4-9671-f17084b4bf54/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process