./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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 b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:11:56,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:11:56,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:11:56,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:11:56,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:11:56,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:11:56,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:11:56,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:11:56,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:11:56,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:11:56,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:11:56,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:11:56,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:11:56,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:11:56,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:11:56,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:11:56,925 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:11:56,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:11:56,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:11:56,926 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:11:56,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:11:56,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:11:56,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:11:56,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:11:56,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:11:56,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:11:56,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:11:56,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:11:56,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:11:56,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:11:56,931 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 [2023-12-03 04:11:57,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:11:57,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:11:57,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:11:57,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:11:57,148 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:11:57,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2023-12-03 04:11:59,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:12:00,203 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:12:00,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2023-12-03 04:12:00,225 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/eb5b9a061/01a3aa42b4ab4a7b8b8692f17f7dbd4f/FLAG2b07c3b37 [2023-12-03 04:12:00,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/eb5b9a061/01a3aa42b4ab4a7b8b8692f17f7dbd4f [2023-12-03 04:12:00,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:12:00,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:12:00,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:00,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:12:00,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:12:00,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:00" (1/1) ... [2023-12-03 04:12:00,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10afa03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:00, skipping insertion in model container [2023-12-03 04:12:00,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:12:00" (1/1) ... [2023-12-03 04:12:00,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:12:00,510 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2023-12-03 04:12:01,113 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:01,124 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:12:01,136 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2023-12-03 04:12:01,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:12:01,453 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:12:01,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01 WrapperNode [2023-12-03 04:12:01,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:12:01,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:01,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:12:01,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:12:01,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:01,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:02,798 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14522 [2023-12-03 04:12:02,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:12:02,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:12:02,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:12:02,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:12:02,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:02,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:03,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:04,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:12:04,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:12:04,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:12:04,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:12:04,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:12:01" (1/1) ... [2023-12-03 04:12:04,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:12:04,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:12:04,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:12:04,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:12:04,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:12:04,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:12:04,788 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:12:04,790 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:12:13,152 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:12:32,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:12:32,284 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:12:32,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:12:32 BoogieIcfgContainer [2023-12-03 04:12:32,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:12:32,287 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:12:32,287 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:12:32,294 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:12:32,294 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:12:32" (1/1) ... [2023-12-03 04:12:32,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:12:32,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:12:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:12:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:12:32,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:12:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:39,528 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 04:12:50,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:13:00,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:13:08,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:10,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:20,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:21,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:31,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:41,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:13:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:13:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:13:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:13:41,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:41,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:13:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:13:54,253 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 04:13:54,257 INFO L158 Benchmark]: Toolchain (without parser) took 114014.83ms. Allocated memory was 146.8MB in the beginning and 7.2GB in the end (delta: 7.1GB). Free memory was 102.8MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-03 04:13:54,258 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:13:54,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1211.47ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 102.3MB in the beginning and 84.6MB in the end (delta: 17.8MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2023-12-03 04:13:54,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 1342.99ms. Allocated memory was 199.2MB in the beginning and 633.3MB in the end (delta: 434.1MB). Free memory was 84.6MB in the beginning and 364.2MB in the end (delta: -279.6MB). Peak memory consumption was 199.5MB. Max. memory is 16.1GB. [2023-12-03 04:13:54,261 INFO L158 Benchmark]: Boogie Preprocessor took 1249.09ms. Allocated memory is still 633.3MB. Free memory was 364.2MB in the beginning and 276.2MB in the end (delta: 88.0MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. [2023-12-03 04:13:54,261 INFO L158 Benchmark]: RCFGBuilder took 28237.73ms. Allocated memory was 633.3MB in the beginning and 5.0GB in the end (delta: 4.4GB). Free memory was 276.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-03 04:13:54,262 INFO L158 Benchmark]: CodeCheck took 81969.22ms. Allocated memory was 5.0GB in the beginning and 7.2GB in the end (delta: 2.2GB). Free memory was 3.5GB in the beginning and 5.7GB in the end (delta: -2.2GB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-12-03 04:13:54,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1211.47ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 102.3MB in the beginning and 84.6MB in the end (delta: 17.8MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1342.99ms. Allocated memory was 199.2MB in the beginning and 633.3MB in the end (delta: 434.1MB). Free memory was 84.6MB in the beginning and 364.2MB in the end (delta: -279.6MB). Peak memory consumption was 199.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1249.09ms. Allocated memory is still 633.3MB. Free memory was 364.2MB in the beginning and 276.2MB in the end (delta: 88.0MB). Peak memory consumption was 149.8MB. Max. memory is 16.1GB. * RCFGBuilder took 28237.73ms. Allocated memory was 633.3MB in the beginning and 5.0GB in the end (delta: 4.4GB). Free memory was 276.2MB in the beginning and 3.5GB in the end (delta: -3.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * CodeCheck took 81969.22ms. Allocated memory was 5.0GB in the beginning and 7.2GB in the end (delta: 2.2GB). Free memory was 3.5GB in the beginning and 5.7GB in the end (delta: -2.2GB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:13:54,478 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:13:54,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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 b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:13:56,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:13:56,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:13:56,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:13:56,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:13:56,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:13:56,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:13:56,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:13:56,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:13:56,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:13:56,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:13:56,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:13:56,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:13:56,550 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:13:56,551 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:13:56,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:13:56,552 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:13:56,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:13:56,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:13:56,553 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:13:56,554 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:13:56,555 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:13:56,555 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:56,556 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:13:56,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:13:56,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:56,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:13:56,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:13:56,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:13:56,558 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:13:56,558 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:56,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:13:56,559 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:13:56,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:13:56,560 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b44c5b352e2abcfd78fa3b9821a380b135ffd6e42649690a7f932053f8076bd1 [2023-12-03 04:13:56,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:13:56,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:13:56,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:13:56,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:13:56,909 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:13:56,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2023-12-03 04:13:59,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:14:00,044 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:14:00,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c [2023-12-03 04:14:00,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/f782cc758/165bba023faf4102afbeca6f5670a977/FLAGbdf1a076f [2023-12-03 04:14:00,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/data/f782cc758/165bba023faf4102afbeca6f5670a977 [2023-12-03 04:14:00,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:14:00,085 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:14:00,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:00,087 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:14:00,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:14:00,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:00" (1/1) ... [2023-12-03 04:14:00,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b03bfb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:00, skipping insertion in model container [2023-12-03 04:14:00,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:00" (1/1) ... [2023-12-03 04:14:00,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:14:00,403 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2023-12-03 04:14:00,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:00,841 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:14:00,849 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_89627964-097c-490f-aa2a-1f5d8d3b6d5f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.7.prop1-back-serstep.c[1177,1190] [2023-12-03 04:14:01,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:01,062 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:14:01,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01 WrapperNode [2023-12-03 04:14:01,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:01,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:01,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:14:01,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:14:01,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,288 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4294 [2023-12-03 04:14:01,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:01,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:14:01,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:14:01,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:14:01,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:14:01,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:14:01,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:14:01,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:14:01,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:01" (1/1) ... [2023-12-03 04:14:01,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:01,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:14:01,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:14:01,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:14:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:14:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:14:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:14:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:14:02,113 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:14:02,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:14:15,016 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:14:15,271 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:14:15,271 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:14:15,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:15 BoogieIcfgContainer [2023-12-03 04:14:15,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:14:15,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:14:15,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:14:15,284 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:14:15,284 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:15" (1/1) ... [2023-12-03 04:14:15,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:14:15,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:15,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:14:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:14:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:14:15,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:15,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:15,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:15,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:15,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:14:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:16,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:17,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:14:17,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:17,158 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 04:14:17,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:14:21,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:14:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:14:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:14:21,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:21,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:21,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:21,423 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:21,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:14:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:24,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:26,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 3800 conjuncts, 131 conjunts are in the unsatisfiable core [2023-12-03 04:14:26,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:27,632 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 04:14:27,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:14:30,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:33,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:38,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:41,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:44,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:51,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:52,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 04:14:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 04:14:52,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:14:52,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:52,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:52,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:52,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:14:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:57,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:00,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:15:00,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:19,144 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 04:15:19,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:15:25,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:15:38,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:15:45,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:15:53,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:16:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:16:40,734 WARN L293 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 549 DAG size of output: 545 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:17:07,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:17:36,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:17:38,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:17:41,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 19 states and 44 transitions. [2023-12-03 04:17:41,693 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 44 transitions. [2023-12-03 04:17:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:17:41,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:41,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:41,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:17:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:47,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:49,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:17:49,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:53,653 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 04:17:53,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:18:05,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:18:07,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:18:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:08,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:18:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:18:08,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:08,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:08,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:08,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:08,906 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:08,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:18:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:15,125 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:17,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:18:17,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:20,899 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 04:18:20,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:18:21,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:18:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:18:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:21,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:21,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:21,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:21,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:18:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:27,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:29,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:18:29,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:33,437 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 04:18:33,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 04:18:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:18:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:18:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:33,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:33,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:33,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:33,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:33,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:18:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:39,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:42,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:18:42,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:45,741 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 04:18:45,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:18:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:18:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:18:46,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:46,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:46,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:46,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:46,096 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:46,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:18:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:52,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:54,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:18:54,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:57,762 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 04:18:57,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:18:58,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:18:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:18:58,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:18:58,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:58,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:58,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:58,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:58,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:19:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:04,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:06,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:19:06,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:09,796 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 04:19:09,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:19:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:19:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:19:10,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:19:10,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:10,150 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:10,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:19:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:16,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:18,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:19:18,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:21,901 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 04:19:21,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 04:19:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:22,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:19:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:19:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:19:22,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:22,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:22,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:22,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:22,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:19:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:28,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:29,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:30,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:19:30,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:33,680 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 04:19:33,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:19:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:19:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:19:34,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:19:34,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:34,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:34,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:34,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:34,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:19:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:40,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:42,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:19:42,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:45,905 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 04:19:45,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:19:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:19:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:19:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:19:46,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:46,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:46,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:46,234 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:46,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:19:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:52,528 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:19:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:54,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:19:54,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:58,020 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 04:19:58,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 04:19:58,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:19:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:19:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:19:58,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:58,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:19:58,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:19:58,344 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:19:58,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:20:04,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:04,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:06,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:20:06,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:09,857 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 04:20:09,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:20:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:10,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:20:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:20:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:20:10,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:10,186 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:10,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:20:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:16,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:18,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:20:18,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:22,210 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 04:20:22,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:20:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:20:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:20:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:20:22,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:22,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:22,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:22,569 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:22,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:20:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:28,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:31,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:20:31,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:34,474 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 04:20:34,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 04:20:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:20:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:20:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:20:34,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:34,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:34,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:34,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:34,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:20:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:41,266 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:43,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:20:43,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:46,853 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 04:20:46,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:20:47,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:20:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:20:47,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:20:47,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:47,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:47,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:47,223 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:20:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:53,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:20:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:55,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:20:55,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:59,037 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 04:20:59,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:20:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:20:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:20:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:20:59,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:59,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:59,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:59,388 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:21:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:05,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:07,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:21:07,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:11,189 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 04:21:11,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:21:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:21:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:21:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:21:11,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:11,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:11,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:11,513 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:11,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:21:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:17,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:19,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:21:19,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:23,288 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 04:21:23,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:21:23,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:23,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:21:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:21:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:21:23,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:23,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:23,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:23,611 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:23,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:21:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:30,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:32,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:21:32,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:35,872 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 04:21:35,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:21:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:21:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:21:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:21:36,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:36,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:36,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:36,203 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:36,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:21:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:42,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:44,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:21:44,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:48,455 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 04:21:48,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:21:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:21:48,779 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:21:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:21:48,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:48,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:21:48,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:21:48,780 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:21:48,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:21:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:55,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:21:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:57,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:21:57,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:00,680 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 04:22:00,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:22:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:22:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:22:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:22:01,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:01,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:01,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:01,008 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:01,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:22:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:07,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:09,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:22:09,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:13,205 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 04:22:13,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:22:13,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:13,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:22:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:22:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:22:13,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:13,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:13,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:13,532 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:13,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:22:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:20,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:22,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:22:22,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:25,836 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 04:22:25,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:22:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:22:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:22:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:22:26,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:26,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:26,164 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:22:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:32,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:34,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:22:34,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:38,292 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 04:22:38,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 04:22:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:22:38,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:22:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:22:38,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:38,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:38,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:38,648 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:38,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:22:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:45,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:47,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:22:47,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:22:50,657 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 04:22:50,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:22:51,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:51,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:22:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:22:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:22:51,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:51,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:51,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:51,017 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:22:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:57,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:22:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:22:59,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:22:59,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:03,320 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 04:23:03,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:23:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:03,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:23:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:23:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:23:03,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:03,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:03,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:03,651 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:03,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:23:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:10,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:12,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:23:12,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:16,006 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 04:23:16,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 04:23:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:16,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:23:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:23:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:23:16,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:16,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:16,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:16,322 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:23:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:23,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:25,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:23:25,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:28,897 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 04:23:28,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 04:23:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:23:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:23:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:23:29,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:29,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:29,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:29,213 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:29,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:23:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:36,062 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:38,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:23:38,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:41,714 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 04:23:41,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:23:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:23:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:23:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:23:42,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:42,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:42,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:42,037 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:42,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:23:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:48,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:23:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:51,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:23:51,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:54,484 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 04:23:54,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:23:54,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:23:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:23:54,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:23:54,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:54,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:23:54,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:23:54,800 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:23:54,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:24:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:02,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:04,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:24:04,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:08,385 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 04:24:08,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:24:08,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:24:08,700 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:24:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:08,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:08,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:08,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:08,701 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:08,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:24:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:16,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:18,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:24:18,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:21,769 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 04:24:21,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:24:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:22,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:24:22,220 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:24:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:22,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:22,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:22,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:22,221 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:22,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:24:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:29,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:32,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:24:32,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:35,641 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 04:24:35,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2023-12-03 04:24:35,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:35,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:24:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:24:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:35,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:35,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:35,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:35,993 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:35,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:24:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:43,186 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:45,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:24:45,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:48,851 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 04:24:48,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:24:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:24:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:24:49,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:24:49,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:49,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:24:49,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:24:49,192 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:24:49,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:24:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:56,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:24:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:58,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:24:58,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:02,547 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 04:25:02,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:25:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:02,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:25:02,904 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:25:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:25:02,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:02,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:02,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:02,905 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:02,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:25:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:10,755 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:25:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:12,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 7062 conjuncts, 368 conjunts are in the unsatisfiable core [2023-12-03 04:25:12,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:16,461 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 04:25:16,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:25:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:17,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 20 states and 46 transitions. [2023-12-03 04:25:17,027 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 46 transitions. [2023-12-03 04:25:17,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:25:17,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:17,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:25:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:25:17,028 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:25:17,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89627964-097c-490f-aa2a-1f5d8d3b6d5f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:25:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:24,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported