./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/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_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:17:11,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:17:11,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:17:11,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:17:11,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:17:11,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:17:11,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:17:11,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:17:11,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:17:11,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:17:11,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:17:11,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:17:11,855 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:17:11,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:17:11,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:17:11,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:17:11,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:17:11,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:17:11,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:17:11,859 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:17:11,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:17:11,860 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:17:11,860 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:17:11,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:17:11,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:17:11,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:17:11,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:17:11,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:17:11,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:17:11,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:17:11,864 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:17:11,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:17:11,865 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:17:11,865 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 [2023-12-03 04:17:12,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:17:12,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:17:12,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:17:12,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:17:12,110 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:17:12,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2023-12-03 04:17:14,866 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:17:15,160 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:17:15,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2023-12-03 04:17:15,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/06dc3686a/858818242b6f42dc8d2b93cbce7f8859/FLAGd4cfbc1c8 [2023-12-03 04:17:15,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/06dc3686a/858818242b6f42dc8d2b93cbce7f8859 [2023-12-03 04:17:15,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:17:15,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:17:15,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:17:15,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:17:15,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:17:15,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:17:15" (1/1) ... [2023-12-03 04:17:15,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f1e959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:15, skipping insertion in model container [2023-12-03 04:17:15,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:17:15" (1/1) ... [2023-12-03 04:17:15,276 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:17:15,733 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2023-12-03 04:17:15,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:17:15,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:17:15,974 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2023-12-03 04:17:16,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:17:16,180 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:17:16,189 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:17:16,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16 WrapperNode [2023-12-03 04:17:16,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:17:16,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:17:16,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:17:16,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:17:16,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,365 INFO L138 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3295 [2023-12-03 04:17:16,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:17:16,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:17:16,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:17:16,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:17:16,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:17:16,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:17:16,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:17:16,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:17:16,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:17:16" (1/1) ... [2023-12-03 04:17:16,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:17:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:17:16,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:17:16,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:17:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 04:17:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 04:17:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:17:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:17:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:17:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:17:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:17:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 04:17:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:17:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:17:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:17:16,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:17:16,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:17:16,861 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:17:16,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:17:20,532 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:17:24,126 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:17:24,127 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 04:17:24,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:17:24 BoogieIcfgContainer [2023-12-03 04:17:24,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:17:24,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:17:24,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:17:24,141 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:17:24,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:17:24" (1/1) ... [2023-12-03 04:17:24,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:17:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 04:17:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 04:17:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:17:24,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:24,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:24,415 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 04:17:24,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 04:17:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 04:17:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:17:24,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:24,507 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 04:17:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:24,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 04:17:24,523 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 04:17:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:17:24,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:24,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:24,710 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 04:17:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 288 states and 491 transitions. [2023-12-03 04:17:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 491 transitions. [2023-12-03 04:17:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 04:17:24,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:24,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:24,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:35,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:35,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 04:17:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 04:17:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:17:35,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:35,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:35,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 04:17:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 04:17:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:17:35,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:35,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:35,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:35,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 04:17:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 04:17:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:17:35,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:35,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:17:35,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:45,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:17:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 04:17:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 04:17:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:17:45,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:45,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:17:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:46,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:17:46,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:17:56,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:06,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:16,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:26,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 04:18:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 04:18:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:18:26,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:26,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:26,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:18:26,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 04:18:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 04:18:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:18:26,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:26,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:27,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:18:27,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 04:18:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 04:18:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:18:27,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:27,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:27,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:18:27,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:18:37,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 04:18:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 04:18:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:18:37,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:18:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:37,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:18:37,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:18:48,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:18:58,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:08,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:18,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:18,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 04:19:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 04:19:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:19:18,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:18,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:18,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:19:18,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:18,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:19:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 04:19:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 04:19:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:19:18,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:18,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:19:18,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:18,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 04:19:18,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 04:19:19,035 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:19:19,036 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 04:19:19,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:19:19,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 04:19:19,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:19:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 308 states and 485 transitions. [2023-12-03 04:19:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 485 transitions. [2023-12-03 04:19:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 04:19:19,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:19,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:19,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:19:19,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:19:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 308 states and 479 transitions. [2023-12-03 04:19:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 479 transitions. [2023-12-03 04:19:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 04:19:19,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:20,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:19:20,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:20,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:19:30,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:19:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 308 states and 473 transitions. [2023-12-03 04:19:30,260 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 473 transitions. [2023-12-03 04:19:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:19:30,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:19:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:19:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:19:30,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:19:30,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:19:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:19:40,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:19:50,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:00,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:10,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:11,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 333 states and 502 transitions. [2023-12-03 04:20:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2023-12-03 04:20:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 04:20:11,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:11,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:11,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:11,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:11,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 333 states and 500 transitions. [2023-12-03 04:20:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 500 transitions. [2023-12-03 04:20:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 04:20:11,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:11,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:11,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:11,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 333 states and 498 transitions. [2023-12-03 04:20:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 498 transitions. [2023-12-03 04:20:11,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 04:20:11,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:11,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:12,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:12,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:22,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 333 states and 496 transitions. [2023-12-03 04:20:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 496 transitions. [2023-12-03 04:20:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:20:22,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:22,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:20:22,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:20:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 333 states and 494 transitions. [2023-12-03 04:20:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 494 transitions. [2023-12-03 04:20:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:20:22,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:20:23,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:20:23,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:20:23,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:20:33,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:43,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:20:53,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:03,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 336 states and 496 transitions. [2023-12-03 04:21:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 496 transitions. [2023-12-03 04:21:03,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:21:03,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:03,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:21:03,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:03,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:21:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 336 states and 495 transitions. [2023-12-03 04:21:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 495 transitions. [2023-12-03 04:21:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 04:21:03,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:03,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:04,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:21:04,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:21:14,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:24,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:34,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:45,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:21:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:21:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 350 states and 514 transitions. [2023-12-03 04:21:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 514 transitions. [2023-12-03 04:21:45,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 04:21:45,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:21:45,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:21:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:21:45,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:21:45,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:21:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:21:56,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:06,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:16,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:26,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:36,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:46,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:22:56,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:06,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:17,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:27,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:37,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:47,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 422 states and 610 transitions. [2023-12-03 04:23:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 610 transitions. [2023-12-03 04:23:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:23:47,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:47,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:47,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:47,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:23:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 422 states and 606 transitions. [2023-12-03 04:23:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 606 transitions. [2023-12-03 04:23:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:23:47,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:48,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:23:48,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:23:58,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:23:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:23:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 422 states and 604 transitions. [2023-12-03 04:23:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 604 transitions. [2023-12-03 04:23:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:23:58,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:23:58,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:23:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:23:58,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:23:58,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:23:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:08,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:18,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:28,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:38,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:24:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 425 states and 606 transitions. [2023-12-03 04:24:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 606 transitions. [2023-12-03 04:24:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:24:39,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:39,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:39,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:24:39,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:24:39,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:24:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 425 states and 604 transitions. [2023-12-03 04:24:39,620 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 604 transitions. [2023-12-03 04:24:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:24:39,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:24:39,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:24:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:24:40,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:24:40,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:24:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:24:50,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:00,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:10,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:20,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:25:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 428 states and 606 transitions. [2023-12-03 04:25:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 606 transitions. [2023-12-03 04:25:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:25:20,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:25:20,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:25:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:25:20,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:25:20,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:25:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:25:30,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:40,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:25:50,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:01,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 431 states and 608 transitions. [2023-12-03 04:26:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 608 transitions. [2023-12-03 04:26:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 04:26:01,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:01,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:01,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:26:01,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:26:11,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:21,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:31,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:41,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:26:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:41,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 434 states and 610 transitions. [2023-12-03 04:26:41,746 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 610 transitions. [2023-12-03 04:26:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 04:26:41,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:41,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:42,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:26:42,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:42,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:26:42,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:26:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 443 states and 617 transitions. [2023-12-03 04:26:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 617 transitions. [2023-12-03 04:26:42,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 04:26:42,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:26:42,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:26:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:26:43,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:26:43,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:26:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 04:26:53,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:03,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:13,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:23,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 475 states and 656 transitions. [2023-12-03 04:27:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 656 transitions. [2023-12-03 04:27:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 04:27:23,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:24,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:27:24,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:27:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 484 states and 667 transitions. [2023-12-03 04:27:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 667 transitions. [2023-12-03 04:27:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 04:27:25,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:25,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:25,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:27:25,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:27:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 485 states and 669 transitions. [2023-12-03 04:27:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 669 transitions. [2023-12-03 04:27:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 04:27:26,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:26,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:27:26,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 04:27:37,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:47,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:27:57,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:28:07,218 WARN L539 Checker$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 04:28:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 488 states and 671 transitions. [2023-12-03 04:28:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 671 transitions. [2023-12-03 04:28:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 04:28:07,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:07,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:07,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:07,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 04:28:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:07,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 488 states and 669 transitions. [2023-12-03 04:28:07,788 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 669 transitions. [2023-12-03 04:28:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 04:28:07,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:07,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:08,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:28:08,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 04:28:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 491 states and 671 transitions. [2023-12-03 04:28:09,260 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 671 transitions. [2023-12-03 04:28:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 04:28:09,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:09,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:28:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:28:19,763 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 04:28:19,766 INFO L158 Benchmark]: Toolchain (without parser) took 664566.95ms. Allocated memory was 167.8MB in the beginning and 461.4MB in the end (delta: 293.6MB). Free memory was 121.4MB in the beginning and 145.9MB in the end (delta: -24.5MB). Peak memory consumption was 271.2MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,766 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:28:19,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 989.32ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 121.4MB in the beginning and 162.6MB in the end (delta: -41.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.35ms. Allocated memory is still 207.6MB. Free memory was 162.6MB in the beginning and 144.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,767 INFO L158 Benchmark]: Boogie Preprocessor took 158.92ms. Allocated memory is still 207.6MB. Free memory was 144.9MB in the beginning and 126.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,768 INFO L158 Benchmark]: RCFGBuilder took 7603.09ms. Allocated memory was 207.6MB in the beginning and 461.4MB in the end (delta: 253.8MB). Free memory was 124.9MB in the beginning and 336.6MB in the end (delta: -211.7MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,768 INFO L158 Benchmark]: CodeCheck took 655634.95ms. Allocated memory is still 461.4MB. Free memory was 336.6MB in the beginning and 145.9MB in the end (delta: 190.7MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. [2023-12-03 04:28:19,771 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 167.8MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 989.32ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 121.4MB in the beginning and 162.6MB in the end (delta: -41.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.35ms. Allocated memory is still 207.6MB. Free memory was 162.6MB in the beginning and 144.9MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.92ms. Allocated memory is still 207.6MB. Free memory was 144.9MB in the beginning and 126.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7603.09ms. Allocated memory was 207.6MB in the beginning and 461.4MB in the end (delta: 253.8MB). Free memory was 124.9MB in the beginning and 336.6MB in the end (delta: -211.7MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. * CodeCheck took 655634.95ms. Allocated memory is still 461.4MB. Free memory was 336.6MB in the beginning and 145.9MB in the end (delta: 190.7MB). Peak memory consumption was 190.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:28:19,980 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:28:20,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/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_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:28:21,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:28:21,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:28:21,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:28:21,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:28:21,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:28:21,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:28:21,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:28:21,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:28:21,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:28:21,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:28:21,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:28:21,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:28:21,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:28:21,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:28:21,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:28:21,837 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:28:21,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:28:21,838 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:28:21,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:28:21,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:28:21,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:28:21,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:28:21,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:28:21,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:28:21,842 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:21,842 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:28:21,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:28:21,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:28:21,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:28:21,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:28:21,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:28:21,845 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:28:21,845 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:21,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:28:21,846 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:28:21,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:28:21,846 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 [2023-12-03 04:28:22,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:28:22,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:28:22,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:28:22,170 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:28:22,170 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:28:22,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2023-12-03 04:28:24,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:28:25,284 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:28:25,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2023-12-03 04:28:25,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/35185ea5d/7ae5d50288b448ae8c62584bb8da6a4f/FLAG08736e6a2 [2023-12-03 04:28:25,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/data/35185ea5d/7ae5d50288b448ae8c62584bb8da6a4f [2023-12-03 04:28:25,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:28:25,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:28:25,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:28:25,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:28:25,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:28:25,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:28:25" (1/1) ... [2023-12-03 04:28:25,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f5b016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:25, skipping insertion in model container [2023-12-03 04:28:25,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:28:25" (1/1) ... [2023-12-03 04:28:25,392 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:28:25,867 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2023-12-03 04:28:26,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:28:26,114 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:28:26,137 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:28:26,158 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2023-12-03 04:28:26,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:28:26,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:28:26,289 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_a76f2f69-2728-4c14-9e9f-005fd50940fe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2023-12-03 04:28:26,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:28:26,421 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:28:26,427 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:28:26,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26 WrapperNode [2023-12-03 04:28:26,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:28:26,429 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:28:26,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:28:26,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:28:26,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,561 INFO L138 Inliner]: procedures = 180, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2343 [2023-12-03 04:28:26,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:28:26,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:28:26,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:28:26,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:28:26,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,640 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,693 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:28:26,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:28:26,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:28:26,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:28:26,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:28:26" (1/1) ... [2023-12-03 04:28:26,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:28:26,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:28:26,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:28:26,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 04:28:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 04:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:28:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:28:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 04:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:28:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:28:27,036 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:28:27,039 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:28:53,815 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:28:54,730 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:28:54,731 INFO L309 CfgBuilder]: Removed 160 assume(true) statements. [2023-12-03 04:28:54,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:28:54 BoogieIcfgContainer [2023-12-03 04:28:54,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:28:54,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:28:54,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:28:54,744 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:28:54,744 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:28:54" (1/1) ... [2023-12-03 04:28:54,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:28:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 286 states and 498 transitions. [2023-12-03 04:28:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 498 transitions. [2023-12-03 04:28:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:28:54,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:54,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:54,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:54,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:28:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:55,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:55,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:55,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:55,413 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 04:28:55,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:28:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:55,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 286 states and 494 transitions. [2023-12-03 04:28:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 494 transitions. [2023-12-03 04:28:55,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:28:55,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:55,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:55,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:55,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:55,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:28:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:55,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:56,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:56,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:56,024 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 04:28:56,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:28:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 286 states and 490 transitions. [2023-12-03 04:28:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 490 transitions. [2023-12-03 04:28:56,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 04:28:56,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:56,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:56,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:56,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:56,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:28:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:56,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:56,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:56,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:56,717 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 04:28:56,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:28:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 286 states and 488 transitions. [2023-12-03 04:28:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 488 transitions. [2023-12-03 04:28:56,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 04:28:56,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:56,737 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:56,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:28:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:57,154 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:57,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:57,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:57,279 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 04:28:57,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:28:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 286 states and 486 transitions. [2023-12-03 04:28:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 486 transitions. [2023-12-03 04:28:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:28:57,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:57,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:57,325 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:57,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:28:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:57,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:57,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 04:28:57,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:58,013 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:28:58,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:28:58,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:28:58,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 04:28:58,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:28:58,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 04:28:58,155 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 04:28:58,164 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:28:58,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:28:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 288 states and 489 transitions. [2023-12-03 04:28:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 489 transitions. [2023-12-03 04:28:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:28:58,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:58,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:58,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:58,519 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:58,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:28:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:58,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:59,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:59,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:28:59,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:28:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 288 states and 486 transitions. [2023-12-03 04:28:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 486 transitions. [2023-12-03 04:28:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:28:59,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:59,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:59,164 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:59,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:28:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:59,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:28:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:28:59,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:28:59,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:28:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:28:59,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:28:59,769 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:28:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:28:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 288 states and 482 transitions. [2023-12-03 04:28:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 482 transitions. [2023-12-03 04:28:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 04:28:59,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:28:59,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:28:59,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:28:59,780 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:28:59,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:29:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:00,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:00,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:00,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:00,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 476 transitions. [2023-12-03 04:29:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 476 transitions. [2023-12-03 04:29:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:29:00,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:00,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:00,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:00,456 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:29:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:01,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:01,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:01,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:01,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:29:01,341 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:29:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 288 states and 470 transitions. [2023-12-03 04:29:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 470 transitions. [2023-12-03 04:29:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:29:01,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:01,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:01,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:01,994 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:01,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:29:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:02,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:02,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:02,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:03,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:29:04,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 302 states and 488 transitions. [2023-12-03 04:29:04,713 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 488 transitions. [2023-12-03 04:29:04,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 04:29:04,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:04,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:04,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:04,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:04,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:29:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:05,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:05,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:05,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:05,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:29:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 302 states and 486 transitions. [2023-12-03 04:29:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 486 transitions. [2023-12-03 04:29:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 04:29:05,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:05,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:05,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:05,656 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:05,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:29:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:06,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:06,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:06,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:06,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:29:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 302 states and 484 transitions. [2023-12-03 04:29:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 484 transitions. [2023-12-03 04:29:06,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 04:29:06,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:06,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:06,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:06,656 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:06,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:29:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:07,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:07,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:07,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:07,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:07,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:29:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 302 states and 482 transitions. [2023-12-03 04:29:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 482 transitions. [2023-12-03 04:29:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 04:29:07,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:07,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:07,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:07,685 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:07,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:29:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:08,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:08,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:08,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:08,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:29:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 305 states and 484 transitions. [2023-12-03 04:29:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 484 transitions. [2023-12-03 04:29:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 04:29:08,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:08,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:08,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:08,807 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:08,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:29:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:09,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:09,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:09,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:09,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:29:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 305 states and 479 transitions. [2023-12-03 04:29:09,904 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 479 transitions. [2023-12-03 04:29:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 04:29:09,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:09,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:09,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:09,906 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:09,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:29:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:10,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:11,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:29:11,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:29:11,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:11,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:11,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:11,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:11,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:11,253 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:11,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:29:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:12,180 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:12,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:12,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:12,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:29:12,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:12,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:12,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:12,808 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:12,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:29:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:13,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:14,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:14,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:14,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:29:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:14,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:14,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:14,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:14,097 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:14,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:29:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:15,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:15,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:15,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:15,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:29:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:15,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:15,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:15,522 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:15,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:29:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:16,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:17,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:17,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:17,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:17,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:29:17,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:17,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:17,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:17,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:17,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:17,098 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:17,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:29:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:18,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:18,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:18,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:18,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:18,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:18,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:18,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:18,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:18,521 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:18,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:29:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:19,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:20,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:20,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:20,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:20,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:29:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:20,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:20,083 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:20,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:20,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:20,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:20,085 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:20,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:29:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:21,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:21,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:21,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:21,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:29:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:21,716 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:21,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:21,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:21,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:21,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:21,718 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:21,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:29:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:22,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:23,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:23,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:23,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:23,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:23,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:23,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:23,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:23,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:23,184 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:23,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:29:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:24,454 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:24,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:24,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:24,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:29:24,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:24,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:24,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:24,838 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:24,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:29:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:26,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:26,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:26,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:26,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:29:26,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:26,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:26,479 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:26,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:29:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:27,814 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:28,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:28,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:28,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:29:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:28,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:28,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:28,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:28,221 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:28,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:29:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:29,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:30,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:30,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:30,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:29:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:30,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:30,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:30,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:30,117 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:30,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:29:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:31,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:31,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:31,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:31,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:31,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:31,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:31,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:31,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:31,825 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:31,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:29:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:33,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:33,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:33,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:33,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:29:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:33,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:33,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:33,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:33,711 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:33,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:29:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:35,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:35,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:35,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:35,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:35,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:29:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:35,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:35,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:35,555 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:35,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:29:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:37,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:37,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:37,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:37,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:37,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:29:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:37,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:37,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:37,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:37,536 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:37,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:29:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:39,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:39,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:39,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:39,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:39,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:39,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:39,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:39,482 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:39,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:29:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:41,092 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:41,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:41,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:41,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 04:29:41,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:41,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:41,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:41,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:41,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:41,533 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:41,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:29:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:43,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:43,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:43,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:43,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:29:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:43,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:43,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:43,634 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:43,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:29:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:45,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:45,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:45,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:45,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:45,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:29:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:45,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:45,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:45,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:45,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:45,728 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:45,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:29:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:47,446 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:47,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:47,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:47,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:29:47,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:47,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:47,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:47,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:47,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:47,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:47,895 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:47,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:29:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:49,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:49,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:49,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:49,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:29:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:50,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:50,000 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:50,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:50,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:50,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:50,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:50,001 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:50,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:29:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:51,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:52,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:52,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:52,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:29:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:52,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:52,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:52,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:52,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:52,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:52,060 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:52,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:29:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:54,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:54,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:54,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:54,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:29:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:54,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:54,613 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:54,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:29:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:56,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:56,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:56,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:56,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:29:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:56,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:56,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:56,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:56,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:56,818 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:56,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:29:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:58,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:29:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:29:59,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:29:59,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:29:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:29:59,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:29:59,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:29:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:29:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:29:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:29:59,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:29:59,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:29:59,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:29:59,137 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:29:59,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:30:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:01,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:01,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:01,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:01,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 04:30:01,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:01,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:01,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:01,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:01,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:01,623 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:01,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:30:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:03,497 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:03,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:03,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:03,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:03,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 04:30:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:03,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:03,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:03,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:03,920 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:03,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:30:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:05,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:06,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:06,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:06,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 04:30:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:06,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:06,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:06,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:06,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:06,323 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:06,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:30:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:08,312 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:08,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:08,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:08,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:30:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:08,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:08,749 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:08,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:08,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:08,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:08,750 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:08,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:30:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:10,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:11,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:11,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:11,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:30:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:11,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:11,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:11,076 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:11,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:30:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:13,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:13,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:13,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:13,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:30:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:13,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:13,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:13,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:13,680 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:13,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:30:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:15,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:16,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:16,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:16,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:30:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:16,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:16,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:16,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:16,244 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:16,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:30:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:18,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:18,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:18,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:18,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:30:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:18,752 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:18,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:18,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:18,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:18,754 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:18,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:30:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:21,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:21,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:21,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:21,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:21,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:30:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:21,537 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:21,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:21,539 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:21,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:30:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:23,758 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:24,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:24,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:24,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:30:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:24,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:24,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:24,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:24,181 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:24,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:30:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:26,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:26,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:26,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:26,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:26,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:30:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:26,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:26,869 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:26,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:26,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:26,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:26,871 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:26,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:30:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:29,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:29,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:29,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:29,512 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:29,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:30:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:29,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:29,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:29,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:29,544 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:30:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:31,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:32,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:32,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:32,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:30:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:32,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:32,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:32,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:32,310 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:32,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:30:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:34,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:35,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:35,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:35,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:35,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:30:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:35,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:35,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:35,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:35,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:35,170 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:35,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:30:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:37,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:37,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:37,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:37,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:30:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:37,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:37,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:37,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:37,932 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:37,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:30:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:40,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:40,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:40,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:40,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:30:40,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:40,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:40,779 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:40,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:40,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:40,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:40,781 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:40,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:30:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:43,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:43,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:43,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:43,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:30:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:43,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:43,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:43,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:43,770 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:43,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:30:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:46,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:46,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:46,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:46,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:30:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:46,780 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:46,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:46,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:46,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:46,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:46,781 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:46,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:30:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:49,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:49,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:49,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:49,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:49,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:30:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:49,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:49,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:49,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:49,710 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:30:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:52,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:52,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:52,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:52,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:30:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:52,934 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:52,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:52,935 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:30:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:55,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:56,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:56,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:56,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:30:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:56,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:56,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:56,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:56,175 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:56,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:30:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:58,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:30:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:30:59,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:30:59,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:30:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:30:59,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:30:59,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:30:59,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:30:59,274 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:30:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:30:59,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:30:59,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:30:59,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:30:59,275 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:30:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:31:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:02,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:02,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:02,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:02,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:31:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:02,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:02,681 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:02,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:02,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:02,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:02,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:02,683 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:02,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:31:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:05,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:05,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:05,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:06,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:06,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:06,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:06,035 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:06,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:06,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:06,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:06,036 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:06,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:31:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:08,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:09,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:09,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:09,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:31:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:09,335 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:09,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:09,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:09,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:09,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:09,336 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:09,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:31:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:12,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:12,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:12,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:12,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:12,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:12,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:12,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:12,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:12,571 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:31:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:15,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:15,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:15,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:15,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:15,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:31:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:15,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:15,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:15,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:15,922 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:15,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:31:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:18,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:18,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:18,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:18,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:31:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:18,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:18,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:18,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:18,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:18,972 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:18,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:31:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:21,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:22,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:22,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:22,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:31:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:22,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:22,331 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:31:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:31:25,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:31:25,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:31:25,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:31:25,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:31:25,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2023-12-03 04:31:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:31:25,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 305 states and 473 transitions. [2023-12-03 04:31:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 473 transitions. [2023-12-03 04:31:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 04:31:25,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:31:25,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:31:25,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:31:25,754 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:31:25,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a76f2f69-2728-4c14-9e9f-005fd50940fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process