./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:33:50,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:33:50,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:33:50,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:33:50,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:33:50,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:33:50,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:33:50,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:33:50,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:33:50,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:33:50,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:33:50,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:33:50,598 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:33:50,598 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:33:50,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:33:50,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:33:50,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:33:50,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:33:50,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:33:50,601 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:33:50,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:33:50,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:33:50,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:33:50,605 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:33:50,606 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:33:50,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:33:50,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:33:50,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:33:50,608 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:33:50,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:33:50,608 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:33:50,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:33:50,609 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:33:50,609 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 [2023-12-03 03:33:50,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:33:50,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:33:50,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:33:50,857 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:33:50,857 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:33:50,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-12-03 03:33:53,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:33:53,872 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:33:53,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-12-03 03:33:53,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/47a870edb/c0f9e719f9994a94a11ccb4f0fc65dae/FLAGc1c212fa3 [2023-12-03 03:33:53,905 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/47a870edb/c0f9e719f9994a94a11ccb4f0fc65dae [2023-12-03 03:33:53,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:33:53,908 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:33:53,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:33:53,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:33:53,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:33:53,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:33:53" (1/1) ... [2023-12-03 03:33:53,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a7b518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:53, skipping insertion in model container [2023-12-03 03:33:53,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:33:53" (1/1) ... [2023-12-03 03:33:53,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:33:54,329 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2023-12-03 03:33:54,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:33:54,511 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:33:54,539 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2023-12-03 03:33:54,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:33:54,680 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:33:54,686 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:33:54,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54 WrapperNode [2023-12-03 03:33:54,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:33:54,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:33:54,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:33:54,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:33:54,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,835 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3130 [2023-12-03 03:33:54,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:33:54,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:33:54,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:33:54,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:33:54,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:54,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:55,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:55,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:33:55,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:33:55,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:33:55,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:33:55,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:33:54" (1/1) ... [2023-12-03 03:33:55,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:33:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:33:55,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:33:55,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:33:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 03:33:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 03:33:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:33:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:33:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:33:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:33:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:33:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:33:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:33:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:33:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:33:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:33:55,088 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:33:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:33:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:33:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:33:55,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:33:55,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:33:55,335 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:33:55,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:33:57,865 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:34:01,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:34:01,491 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-03 03:34:01,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:01 BoogieIcfgContainer [2023-12-03 03:34:01,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:34:01,494 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:34:01,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:34:01,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:34:01,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:34:01" (1/1) ... [2023-12-03 03:34:01,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:34:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-03 03:34:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-03 03:34:01,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:34:01,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:01,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-03 03:34:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-03 03:34:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:34:01,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:01,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:01,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:01,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-03 03:34:01,871 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-03 03:34:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:34:01,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:02,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 273 states and 465 transitions. [2023-12-03 03:34:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 465 transitions. [2023-12-03 03:34:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:34:02,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:02,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:02,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:12,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:12,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-03 03:34:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-03 03:34:12,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:34:12,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:12,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:12,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:12,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:12,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-03 03:34:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-03 03:34:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:34:12,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:12,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:12,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:12,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-03 03:34:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-03 03:34:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:34:12,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:13,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:13,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:13,229 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 03:34:23,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-03 03:34:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-03 03:34:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:34:23,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:23,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:34:23,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:33,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:43,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:49,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:34:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-03 03:34:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-03 03:34:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:34:49,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:49,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:49,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-03 03:34:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-03 03:34:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:34:49,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:49,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:49,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:34:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:34:49,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-03 03:34:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-03 03:34:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:34:49,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:34:49,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:34:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:34:49,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:34:49,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:34:49,983 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 03:34:59,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-03 03:35:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-03 03:35:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:35:00,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:00,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:00,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:00,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:00,395 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 03:35:10,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:20,463 WARN L539 Checker$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 03:35:30,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:40,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:40,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:40,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-03 03:35:40,563 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-03 03:35:40,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:35:40,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:40,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:40,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:40,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-03 03:35:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-03 03:35:40,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:35:40,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:40,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:41,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:35:41,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:41,199 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 11 treesize of output 7 [2023-12-03 03:35:41,247 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:35:41,248 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 03:35:41,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 03:35:41,255 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 03:35:41,277 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 03:35:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 293 states and 459 transitions. [2023-12-03 03:35:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 459 transitions. [2023-12-03 03:35:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:35:41,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:41,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:41,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:41,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 293 states and 453 transitions. [2023-12-03 03:35:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 453 transitions. [2023-12-03 03:35:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 03:35:41,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:41,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:42,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:35:42,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:35:52,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:35:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:35:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 293 states and 447 transitions. [2023-12-03 03:35:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 447 transitions. [2023-12-03 03:35:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:35:52,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:35:52,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:35:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:35:52,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:35:52,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:35:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:02,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:12,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:23,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:33,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:33,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:33,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 318 states and 476 transitions. [2023-12-03 03:36:33,222 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 476 transitions. [2023-12-03 03:36:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 03:36:33,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:33,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:33,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:33,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 318 states and 474 transitions. [2023-12-03 03:36:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 474 transitions. [2023-12-03 03:36:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 03:36:33,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:33,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:33,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:33,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 318 states and 472 transitions. [2023-12-03 03:36:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 472 transitions. [2023-12-03 03:36:33,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 03:36:33,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:33,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:34,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:34,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:34,278 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 03:36:44,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:36:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 318 states and 470 transitions. [2023-12-03 03:36:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 470 transitions. [2023-12-03 03:36:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:36:44,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:44,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:44,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:36:44,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:36:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:36:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 318 states and 468 transitions. [2023-12-03 03:36:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 468 transitions. [2023-12-03 03:36:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 03:36:44,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:36:44,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:36:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:36:45,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:36:45,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:36:45,311 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 03:36:55,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:05,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:15,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:25,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 321 states and 470 transitions. [2023-12-03 03:37:25,468 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 470 transitions. [2023-12-03 03:37:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 03:37:25,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:25,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:37:25,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:37:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 321 states and 469 transitions. [2023-12-03 03:37:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 469 transitions. [2023-12-03 03:37:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 03:37:25,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:25,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:26,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:37:26,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:37:26,375 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 03:37:36,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:46,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:37:57,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:07,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 335 states and 488 transitions. [2023-12-03 03:38:07,107 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 488 transitions. [2023-12-03 03:38:07,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 03:38:07,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:07,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:07,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:07,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:07,614 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 03:38:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 344 states and 498 transitions. [2023-12-03 03:38:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 498 transitions. [2023-12-03 03:38:07,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 03:38:07,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:08,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:08,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:08,184 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 03:38:18,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:28,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:38,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:48,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:38:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:38:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 347 states and 500 transitions. [2023-12-03 03:38:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 500 transitions. [2023-12-03 03:38:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 03:38:48,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:38:48,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:38:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:38:48,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:38:48,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:38:48,871 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 03:38:59,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:09,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:19,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:29,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:40,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:39:50,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:00,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:10,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:20,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:30,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:40,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:50,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:40:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 426 states and 603 transitions. [2023-12-03 03:40:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 603 transitions. [2023-12-03 03:40:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 03:40:50,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:50,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:40:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:51,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:40:51,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:51,379 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 03:40:51,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 435 states and 614 transitions. [2023-12-03 03:40:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 614 transitions. [2023-12-03 03:40:51,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 03:40:51,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:51,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:40:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:52,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:40:52,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:40:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:40:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 435 states and 610 transitions. [2023-12-03 03:40:52,276 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 610 transitions. [2023-12-03 03:40:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-03 03:40:52,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:40:52,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:40:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:40:52,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:40:52,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:40:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-03 03:41:02,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:02,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 435 states and 608 transitions. [2023-12-03 03:41:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 608 transitions. [2023-12-03 03:41:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 03:41:02,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:02,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:03,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:03,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:03,370 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 03:41:03,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 436 states and 610 transitions. [2023-12-03 03:41:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 610 transitions. [2023-12-03 03:41:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 03:41:03,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:03,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:04,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:04,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:04,181 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 03:41:14,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:24,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:34,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:44,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:41:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:41:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 439 states and 612 transitions. [2023-12-03 03:41:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 612 transitions. [2023-12-03 03:41:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 03:41:44,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:41:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:41:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:41:44,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:41:44,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:41:44,903 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 03:41:54,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:04,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:15,054 WARN L539 Checker$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 03:42:25,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 442 states and 614 transitions. [2023-12-03 03:42:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 614 transitions. [2023-12-03 03:42:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 03:42:25,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:25,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:42:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:25,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:42:25,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:25,626 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 03:42:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:42:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 442 states and 612 transitions. [2023-12-03 03:42:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 612 transitions. [2023-12-03 03:42:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 03:42:25,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:42:25,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:42:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:42:26,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:42:26,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:42:26,222 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 03:42:36,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:46,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:42:56,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:06,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:43:06,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:06,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 445 states and 614 transitions. [2023-12-03 03:43:06,368 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 614 transitions. [2023-12-03 03:43:06,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 03:43:06,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:06,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:06,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:06,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:06,885 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 03:43:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 445 states and 612 transitions. [2023-12-03 03:43:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 612 transitions. [2023-12-03 03:43:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 03:43:06,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:06,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:07,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 03:43:07,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:07,648 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 03:43:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 448 states and 614 transitions. [2023-12-03 03:43:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 614 transitions. [2023-12-03 03:43:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 03:43:09,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:43:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:43:19,445 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 03:43:19,447 INFO L158 Benchmark]: Toolchain (without parser) took 565539.17ms. Allocated memory was 127.9MB in the beginning and 440.4MB in the end (delta: 312.5MB). Free memory was 86.8MB in the beginning and 106.4MB in the end (delta: -19.6MB). Peak memory consumption was 296.7MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,448 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 93.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:43:19,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.24ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 77.6MB in the end (delta: 9.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.58ms. Allocated memory is still 127.9MB. Free memory was 77.6MB in the beginning and 59.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,449 INFO L158 Benchmark]: Boogie Preprocessor took 184.67ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 59.7MB in the beginning and 134.2MB in the end (delta: -74.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,449 INFO L158 Benchmark]: RCFGBuilder took 6471.69ms. Allocated memory was 186.6MB in the beginning and 440.4MB in the end (delta: 253.8MB). Free memory was 134.2MB in the beginning and 281.0MB in the end (delta: -146.9MB). Peak memory consumption was 188.9MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,449 INFO L158 Benchmark]: CodeCheck took 557952.52ms. Allocated memory is still 440.4MB. Free memory was 281.0MB in the beginning and 106.4MB in the end (delta: 174.6MB). Peak memory consumption was 178.8MB. Max. memory is 16.1GB. [2023-12-03 03:43:19,451 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 0.28ms. Allocated memory is still 127.9MB. Free memory was 93.0MB in the beginning and 93.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.24ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 77.6MB in the end (delta: 9.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.58ms. Allocated memory is still 127.9MB. Free memory was 77.6MB in the beginning and 59.7MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 184.67ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 59.7MB in the beginning and 134.2MB in the end (delta: -74.4MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6471.69ms. Allocated memory was 186.6MB in the beginning and 440.4MB in the end (delta: 253.8MB). Free memory was 134.2MB in the beginning and 281.0MB in the end (delta: -146.9MB). Peak memory consumption was 188.9MB. Max. memory is 16.1GB. * CodeCheck took 557952.52ms. Allocated memory is still 440.4MB. Free memory was 281.0MB in the beginning and 106.4MB in the end (delta: 174.6MB). Peak memory consumption was 178.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:43:19,658 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 03:43:19,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:43:21,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:43:21,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:43:21,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:43:21,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:43:21,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:43:21,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:43:21,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:43:21,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:43:21,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:43:21,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:43:21,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:43:21,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:43:21,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:43:21,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:43:21,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:43:21,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:43:21,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:43:21,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:43:21,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:43:21,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:43:21,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:43:21,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:43:21,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:43:21,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:43:21,566 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:21,567 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:43:21,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:43:21,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:21,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:43:21,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:43:21,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:43:21,570 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:43:21,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:21,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:43:21,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:43:21,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:43:21,571 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85fe539c4a9811cd5d49f239f4680cc0b3752a2958e9f287c34e302b923af4f9 [2023-12-03 03:43:21,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:43:21,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:43:21,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:43:21,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:43:21,895 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:43:21,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-12-03 03:43:24,723 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:43:25,070 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:43:25,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i [2023-12-03 03:43:25,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/587b07af3/54aa0502d8f1472e869006f60d16fa92/FLAG9eb80374a [2023-12-03 03:43:25,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/data/587b07af3/54aa0502d8f1472e869006f60d16fa92 [2023-12-03 03:43:25,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:43:25,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:43:25,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:25,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:43:25,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:43:25,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:25" (1/1) ... [2023-12-03 03:43:25,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7baf0294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:25, skipping insertion in model container [2023-12-03 03:43:25,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:43:25" (1/1) ... [2023-12-03 03:43:25,189 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:43:25,649 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2023-12-03 03:43:25,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:25,886 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 03:43:25,906 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:43:25,930 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2023-12-03 03:43:26,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:26,038 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:43:26,067 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_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test10-1.i[33022,33035] [2023-12-03 03:43:26,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:43:26,180 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:43:26,187 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:43:26,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26 WrapperNode [2023-12-03 03:43:26,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:43:26,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:26,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:43:26,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:43:26,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,322 INFO L138 Inliner]: procedures = 180, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2185 [2023-12-03 03:43:26,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:43:26,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:43:26,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:43:26,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:43:26,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:43:26,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:43:26,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:43:26,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:43:26,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:43:26" (1/1) ... [2023-12-03 03:43:26,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:43:26,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:43:26,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:43:26,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:43:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 03:43:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 03:43:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 03:43:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:43:26,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 03:43:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 03:43:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 03:43:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 03:43:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 03:43:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:43:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 03:43:26,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:43:26,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:43:26,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:43:26,773 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:43:26,775 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:43:55,433 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:43:56,289 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:43:56,290 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-03 03:43:56,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:56 BoogieIcfgContainer [2023-12-03 03:43:56,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:43:56,293 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:43:56,293 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:43:56,302 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:43:56,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:43:56" (1/1) ... [2023-12-03 03:43:56,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:43:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-03 03:43:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-03 03:43:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:43:56,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:56,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:56,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:56,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:56,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:43:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:56,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:56,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:56,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:56,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:56,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:43:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-03 03:43:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-03 03:43:57,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:43:57,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:57,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:57,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:57,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:57,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:43:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:57,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:57,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:57,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:57,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:57,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:43:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-03 03:43:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-03 03:43:57,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:43:57,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:57,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:57,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:57,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:57,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:43:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:57,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:58,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:58,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:58,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:43:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 271 states and 462 transitions. [2023-12-03 03:43:58,056 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 462 transitions. [2023-12-03 03:43:58,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:43:58,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:58,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:58,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:58,059 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:58,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:43:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:58,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:58,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:43:58,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:58,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:58,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:43:58,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 271 states and 460 transitions. [2023-12-03 03:43:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 460 transitions. [2023-12-03 03:43:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:43:58,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:58,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:58,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:58,563 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:58,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 03:43:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:59,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:43:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:43:59,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 03:43:59,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:43:59,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:43:59,174 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:43:59,175 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 03:43:59,182 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 03:43:59,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 03:43:59,261 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 03:43:59,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:43:59,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 03:43:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:43:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 273 states and 463 transitions. [2023-12-03 03:43:59,625 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 463 transitions. [2023-12-03 03:43:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:43:59,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:43:59,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:43:59,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:43:59,628 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:43:59,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 03:44:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:00,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:00,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 03:44:00,250 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:44:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-03 03:44:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-03 03:44:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 03:44:00,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:00,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:00,261 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:00,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 03:44:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:00,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:00,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:00,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:00,856 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:44:00,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:00,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-03 03:44:00,865 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-03 03:44:00,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 03:44:00,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:00,868 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:00,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 03:44:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:01,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:01,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 03:44:01,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-03 03:44:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-03 03:44:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 03:44:01,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:01,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:01,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:01,497 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:01,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 03:44:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:01,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:02,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:02,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:02,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 03:44:04,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 03:44:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-03 03:44:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-03 03:44:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:44:04,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:04,399 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:04,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 03:44:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:04,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:05,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:05,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:05,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 03:44:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-03 03:44:06,406 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-03 03:44:06,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 03:44:06,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:06,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:06,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:06,408 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:06,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 03:44:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:06,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:07,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:07,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:07,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 03:44:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-03 03:44:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-03 03:44:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 03:44:07,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:07,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:07,287 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:07,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 03:44:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:07,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:08,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:08,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:08,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 03:44:08,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-03 03:44:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-03 03:44:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 03:44:08,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:08,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:08,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:08,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:08,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 03:44:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:08,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:09,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:09,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:09,130 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 03:44:09,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 03:44:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-03 03:44:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-03 03:44:09,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 03:44:09,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:09,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:09,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:09,152 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:09,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 03:44:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:09,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:10,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:10,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:10,317 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 03:44:10,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 03:44:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-03 03:44:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-03 03:44:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 03:44:10,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:10,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:10,347 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:10,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 03:44:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:11,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:11,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:11,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 03:44:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-03 03:44:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-03 03:44:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 03:44:11,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:11,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:11,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:11,309 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 03:44:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:12,015 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:12,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:44:12,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:44:12,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 03:44:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:12,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:12,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:12,337 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:12,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 03:44:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:13,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:13,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:13,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:13,649 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 03:44:13,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 03:44:13,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:13,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:13,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:13,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:13,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:13,798 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:13,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 03:44:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:14,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:15,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:15,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:15,150 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 03:44:15,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 03:44:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:15,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:15,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:15,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:15,176 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:15,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 03:44:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:16,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:16,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:16,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:16,510 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 03:44:16,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 03:44:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:16,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:16,535 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:16,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:16,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:16,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:16,538 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:16,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 03:44:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:17,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:17,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:17,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:18,005 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 03:44:18,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 03:44:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:18,033 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:18,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:18,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:18,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:18,035 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:18,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 03:44:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:19,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:19,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:19,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:19,471 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 03:44:19,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 03:44:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:19,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:19,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:19,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:19,494 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:19,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 03:44:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:20,588 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:20,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:20,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:20,975 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 03:44:20,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:20,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:20,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:20,998 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:20,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:20,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:20,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:21,000 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:21,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 03:44:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:22,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:22,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:22,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:22,544 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 03:44:22,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:22,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:22,570 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:22,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:22,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:22,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:22,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:22,572 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:22,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 03:44:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:23,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:24,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:24,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:24,126 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 03:44:24,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 03:44:24,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:24,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:24,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:24,151 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 03:44:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:25,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:25,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:25,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:25,731 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 03:44:25,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 03:44:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:25,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:25,757 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:25,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:25,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:25,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:25,759 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:25,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 03:44:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:27,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:27,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:27,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:27,464 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 03:44:27,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:27,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:27,491 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:27,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 03:44:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:28,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:29,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:29,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:29,120 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 03:44:29,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 03:44:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:29,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:29,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:29,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:29,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:29,148 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:29,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 03:44:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:30,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:31,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:31,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:31,052 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 03:44:31,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 03:44:31,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:31,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:31,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:31,082 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:31,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 03:44:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:32,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:32,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:32,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:32,789 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 03:44:32,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 03:44:32,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:32,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:32,816 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:32,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:32,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:32,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:32,818 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:32,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 03:44:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:34,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:34,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:34,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:34,631 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 03:44:34,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:34,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:34,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:34,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:34,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:34,661 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:34,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 03:44:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:35,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:36,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:36,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:36,325 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 03:44:36,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 03:44:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:36,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:36,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:36,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:36,360 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 03:44:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:37,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:38,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:38,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:38,063 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 03:44:38,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 03:44:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:38,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:38,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:38,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:38,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:38,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:38,094 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:38,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 03:44:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:39,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:39,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:39,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:39,985 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 03:44:40,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 03:44:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:40,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:40,021 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:40,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 03:44:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:41,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:41,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:41,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:41,791 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 03:44:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 03:44:41,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:41,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:41,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:41,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:41,824 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:41,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 03:44:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:43,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:43,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:43,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:43,880 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 03:44:43,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 03:44:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:43,913 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:43,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:43,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:43,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:43,914 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:43,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 03:44:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:46,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:46,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:46,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:46,535 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 03:44:46,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 03:44:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:46,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:46,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:46,569 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:46,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 03:44:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:48,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:48,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:48,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:48,635 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 03:44:48,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 03:44:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:48,669 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:48,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:48,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:48,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:48,670 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:48,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 03:44:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:50,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:50,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:50,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:50,687 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 03:44:50,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:50,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:50,724 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:50,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 03:44:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:52,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:53,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:53,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:53,155 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 03:44:53,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:53,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:53,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:53,191 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:53,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 03:44:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:54,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:55,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:55,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:55,365 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 03:44:55,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 03:44:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:55,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:55,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:55,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:55,403 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:55,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 03:44:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:57,212 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:57,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:57,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:57,561 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 03:44:57,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 03:44:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:57,597 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:57,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:57,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:57,599 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:57,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 03:44:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:59,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:44:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:44:59,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:44:59,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:44:59,952 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 03:44:59,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 03:44:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:44:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:44:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:44:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:44:59,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:44:59,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:44:59,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:44:59,995 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:44:59,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 03:45:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:01,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:02,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:02,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:02,231 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 03:45:02,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 03:45:02,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:02,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:02,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:02,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:02,274 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:02,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 03:45:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:04,255 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:04,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:04,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:04,640 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 03:45:04,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 03:45:04,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:04,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:04,679 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:04,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:04,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:04,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:04,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:04,681 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:04,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 03:45:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:06,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:07,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:07,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:07,064 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 03:45:07,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:07,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:07,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:07,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:07,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:07,104 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:07,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 03:45:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:08,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:09,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:09,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:09,240 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 03:45:09,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 03:45:09,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:09,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:09,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:09,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:09,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:09,283 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:09,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 03:45:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:11,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:11,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:11,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:11,621 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 03:45:11,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 03:45:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:11,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:11,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:11,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:11,664 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:11,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 03:45:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:13,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:14,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:14,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:14,135 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 03:45:14,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 03:45:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:14,177 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:14,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:14,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:14,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:14,179 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:14,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 03:45:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:16,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:16,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:16,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:16,798 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 03:45:16,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:16,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:16,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:16,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:16,843 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:16,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 03:45:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:19,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:19,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:19,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:19,758 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 03:45:19,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 03:45:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:19,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:19,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:19,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:19,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:19,804 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:19,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 03:45:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:22,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:22,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:22,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:22,724 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 03:45:22,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 03:45:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:22,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:22,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:22,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:22,754 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:22,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 03:45:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:25,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:25,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:25,496 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 03:45:25,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 03:45:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:25,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:25,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:25,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:25,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:25,527 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:25,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 03:45:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:27,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:28,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:28,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:28,100 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 03:45:28,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 03:45:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:28,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:28,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:28,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:28,130 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:28,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 03:45:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:30,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:30,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:30,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:30,969 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 03:45:30,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 03:45:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:30,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:30,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:30,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:30,999 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:31,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 03:45:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:33,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:33,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:33,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:33,896 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 03:45:33,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 03:45:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:33,926 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:33,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:33,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:33,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:33,928 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:33,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 03:45:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:35,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:36,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:36,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:36,358 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 03:45:36,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 03:45:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:36,388 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:36,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:36,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:36,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:36,390 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:36,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 03:45:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:38,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:38,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:38,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:38,944 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 03:45:38,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 03:45:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:38,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:38,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:38,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:38,975 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 03:45:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:41,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:41,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:41,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:41,998 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 03:45:42,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 03:45:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:42,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:42,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:42,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:42,031 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:42,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 03:45:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:44,532 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:44,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:44,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:44,884 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 03:45:44,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 03:45:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:44,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:44,917 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:44,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 03:45:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:47,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:47,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:47,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:47,717 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 03:45:47,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 03:45:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:47,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:47,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:47,750 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:47,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 03:45:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:50,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:50,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:50,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:50,841 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 03:45:50,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 03:45:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:50,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:50,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:50,874 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:50,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 03:45:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:53,551 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:53,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:53,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:53,938 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 03:45:53,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 03:45:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:53,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:53,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:53,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:53,972 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:53,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 03:45:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:56,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:45:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:56,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:45:56,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:45:56,866 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 03:45:56,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 03:45:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:45:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:45:56,899 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:45:56,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:45:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:45:56,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:45:56,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:45:56,901 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:45:56,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 03:45:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:45:59,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:00,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:00,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:00,141 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 03:46:00,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 03:46:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:00,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:00,176 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:00,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 03:46:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:02,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:03,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:03,402 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 03:46:03,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 03:46:03,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:03,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:03,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:03,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:03,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:03,441 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:03,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 03:46:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:06,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:06,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:06,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:06,861 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 03:46:06,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 03:46:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:06,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:06,895 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:06,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:06,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:06,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:06,896 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:06,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 03:46:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:09,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:10,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:10,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:10,148 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 03:46:10,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 03:46:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:10,184 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:10,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:10,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:10,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:10,186 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:10,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 03:46:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:13,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:13,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:13,584 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 03:46:13,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 03:46:13,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:13,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:13,620 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:13,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:13,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:13,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:13,621 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:13,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 03:46:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:16,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:16,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:16,800 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 03:46:16,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 03:46:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:16,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:16,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:16,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:16,837 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:16,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 03:46:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:19,797 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:20,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:20,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:20,165 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 03:46:20,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 03:46:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:20,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:20,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:20,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:20,203 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:20,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 03:46:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:23,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:23,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:23,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:23,495 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 03:46:23,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 03:46:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:23,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:23,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:23,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:23,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:23,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:23,533 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:23,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 03:46:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:26,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:27,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:27,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:27,115 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 03:46:27,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 03:46:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:27,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:27,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:27,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:27,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:27,153 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:27,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 03:46:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:30,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:30,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:30,767 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 03:46:30,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:30,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:30,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:30,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:30,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:30,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:30,806 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 03:46:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:34,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:34,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:34,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:34,371 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 03:46:34,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 03:46:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:34,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:34,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:34,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:34,410 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:34,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 03:46:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:37,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:38,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:38,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:38,247 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 03:46:38,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 03:46:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:38,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:38,286 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:38,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 03:46:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:41,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:41,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:41,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:41,749 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 03:46:41,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 03:46:41,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:41,805 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:41,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:41,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:41,806 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:41,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 03:46:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:45,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:45,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:45,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:45,761 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 03:46:45,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 03:46:45,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:45,800 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:45,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:45,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:45,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:45,801 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:45,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 03:46:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:49,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:49,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:49,590 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 03:46:49,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:49,630 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:49,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:49,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:49,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:49,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:49,631 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:49,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 03:46:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:53,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:53,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:53,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:53,424 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 03:46:53,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 03:46:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:53,463 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:53,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:53,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:53,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:53,465 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:53,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 03:46:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:56,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:46:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:46:57,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:46:57,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:46:57,280 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 03:46:57,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-03 03:46:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:46:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:46:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:46:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:46:57,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:46:57,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:57,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:46:57,322 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:46:57,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 03:47:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:00,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:01,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:01,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:01,183 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 03:47:01,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 03:47:01,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:01,224 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:01,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:01,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:01,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:01,226 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:01,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 03:47:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:04,418 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:04,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:04,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:04,859 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 03:47:04,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 03:47:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:04,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:04,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:04,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:04,902 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:04,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 03:47:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:08,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:08,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:08,692 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 03:47:08,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 03:47:08,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:08,734 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:08,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:08,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:08,736 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:08,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 03:47:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:12,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:12,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:12,815 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 03:47:12,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 03:47:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:12,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:12,857 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:12,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:12,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:12,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:12,858 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:12,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 03:47:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:16,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:16,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:16,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:16,926 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 03:47:16,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 03:47:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:16,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:16,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:16,988 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:16,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 03:47:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:20,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:21,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:21,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:21,184 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 03:47:21,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 03:47:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:21,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:21,225 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:21,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:21,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:21,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:21,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:21,227 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:21,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 03:47:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:24,980 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:25,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:25,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:25,376 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 03:47:25,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 03:47:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:25,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:25,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:25,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:25,420 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:25,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 03:47:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:29,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:29,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:29,454 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 03:47:29,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 03:47:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:29,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:29,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:29,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:29,497 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:29,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 03:47:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:33,316 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:33,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:33,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:33,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:33,695 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 03:47:33,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 03:47:33,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:33,741 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:33,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:33,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:33,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:33,742 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:33,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 03:47:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:37,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:38,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:38,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:38,024 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 03:47:38,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 03:47:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:38,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:38,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:38,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:38,069 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 03:47:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:41,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:42,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:42,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:42,202 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 03:47:42,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2023-12-03 03:47:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:42,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:42,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:42,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:42,249 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:42,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 03:47:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:46,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:46,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:46,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:46,693 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 03:47:46,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 03:47:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:46,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:46,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:46,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:46,739 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:46,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 03:47:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:50,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:51,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:51,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:51,336 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 03:47:51,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 03:47:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:51,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:51,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:51,382 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:51,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 03:47:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:55,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:47:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:47:55,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 03:47:55,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:47:55,589 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 03:47:55,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 03:47:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:47:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-03 03:47:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-03 03:47:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 03:47:55,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:47:55,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:47:55,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:47:55,636 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:47:55,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ae130b-9a6c-4c18-9ac9-1eba108477a6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process