./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:55,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:55,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:55:55,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:55:55,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:55:55,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:55,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:55,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:55,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:55,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:55,605 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:55,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:55,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:55:55,606 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:55:55,607 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:55:55,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:55,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:55,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:55,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:55,609 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:55:55,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:55,610 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:55,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:55,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:55,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:55,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:55,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:55,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:55,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:55,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:55,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:55:55,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:55:55,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:55,614 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2023-12-02 22:55:55,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:55,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:55,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:55,828 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:55,829 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:55,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-12-02 22:55:58,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:58,854 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:58,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-12-02 22:55:58,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/e5ab08e0e/088c17cc93fb402f8bfe389ad8d5d3cb/FLAGdc4927df4 [2023-12-02 22:55:58,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/e5ab08e0e/088c17cc93fb402f8bfe389ad8d5d3cb [2023-12-02 22:55:58,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:58,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:58,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:58,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:58,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:58,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4914db99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58, skipping insertion in model container [2023-12-02 22:55:58,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:59,390 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2023-12-02 22:55:59,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:59,571 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:59,604 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2023-12-02 22:55:59,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:59,781 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:55:59,788 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:59,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59 WrapperNode [2023-12-02 22:55:59,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:59,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:59,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:59,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:59,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:55:59,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:55:59,951 INFO L138 Inliner]: procedures = 177, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3130 [2023-12-02 22:55:59,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:59,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:59,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:59,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:59,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:55:59,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:55:59,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:55:59,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:56:00,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:56:00,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:56:00,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:56:00,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:59" (1/1) ... [2023-12-02 22:56:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:56:00,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:56:00,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:56:00,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:56:00,147 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-02 22:56:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-02 22:56:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:56:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:56:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:56:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:56:00,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 22:56:00,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:56:00,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:56:00,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:56:00,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:56:00,392 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:56:00,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:02,771 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:05,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:05,999 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-02 22:56:06,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:06 BoogieIcfgContainer [2023-12-02 22:56:06,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:06,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:06,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:06,011 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:06,012 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:06" (1/1) ... [2023-12-02 22:56:06,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-02 22:56:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-02 22:56:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:56:06,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:06,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:06,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-02 22:56:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-02 22:56:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:56:06,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-02 22:56:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-02 22:56:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:56:06,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:06,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 273 states and 465 transitions. [2023-12-02 22:56:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 465 transitions. [2023-12-02 22:56:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:56:06,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:06,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:06,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:56:06,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:06,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:16,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:16,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-02 22:56:16,841 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-02 22:56:16,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:56:16,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:17,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:56:17,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:17,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-02 22:56:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-02 22:56:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:56:17,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:17,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:17,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:56:17,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:17,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-02 22:56:17,224 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-02 22:56:17,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:56:17,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:17,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:17,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:56:17,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:17,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:27,502 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 [] [2023-12-02 22:56:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-02 22:56:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-02 22:56:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 22:56:27,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:56:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:27,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:56:27,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:38,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:48,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:58,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:08,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:08,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-02 22:57:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-02 22:57:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 22:57:08,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:08,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:08,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:57:08,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-02 22:57:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-02 22:57:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 22:57:08,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:08,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:08,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:57:08,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:08,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-02 22:57:08,867 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-02 22:57:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 22:57:08,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:08,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:09,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:57:09,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:19,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:19,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-02 22:57:19,193 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-02 22:57:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 22:57:19,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:19,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:57:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:19,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:57:19,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:57:29,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:39,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:49,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:59,714 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 [] [2023-12-02 22:57:59,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:59,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-02 22:57:59,781 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-02 22:57:59,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 22:57:59,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:59,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:00,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:00,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:00,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:00,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:00,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-02 22:58:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-02 22:58:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 22:58:00,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:00,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:00,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:58:00,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:00,384 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 [2023-12-02 22:58:00,423 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:58:00,424 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-02 22:58:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 22:58:00,432 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 [2023-12-02 22:58:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:58:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 293 states and 459 transitions. [2023-12-02 22:58:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 459 transitions. [2023-12-02 22:58:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:58:00,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:00,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:01,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:01,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:01,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 293 states and 453 transitions. [2023-12-02 22:58:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 453 transitions. [2023-12-02 22:58:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 22:58:01,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:01,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:01,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:01,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:01,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:11,515 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 [] [2023-12-02 22:58:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 293 states and 447 transitions. [2023-12-02 22:58:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 447 transitions. [2023-12-02 22:58:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 22:58:11,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:11,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:58:11,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:22,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:32,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:42,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:52,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 318 states and 476 transitions. [2023-12-02 22:58:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 476 transitions. [2023-12-02 22:58:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 22:58:52,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:52,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:52,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 318 states and 474 transitions. [2023-12-02 22:58:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 474 transitions. [2023-12-02 22:58:52,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-02 22:58:52,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:52,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:53,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:53,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:58:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:58:53,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 318 states and 472 transitions. [2023-12-02 22:58:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 472 transitions. [2023-12-02 22:58:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 22:58:53,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:58:53,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:58:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:58:53,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:58:53,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:59:03,438 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 [] [2023-12-02 22:59:03,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:03,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 318 states and 470 transitions. [2023-12-02 22:59:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 470 transitions. [2023-12-02 22:59:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:59:03,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:03,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:59:03,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:59:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 318 states and 468 transitions. [2023-12-02 22:59:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 468 transitions. [2023-12-02 22:59:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 22:59:04,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:04,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:59:04,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:59:14,590 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 [] [2023-12-02 22:59:24,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:34,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:59:44,715 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 [] [2023-12-02 22:59:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 321 states and 470 transitions. [2023-12-02 22:59:44,779 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 470 transitions. [2023-12-02 22:59:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 22:59:44,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:44,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:45,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:59:45,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:59:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 321 states and 469 transitions. [2023-12-02 22:59:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 469 transitions. [2023-12-02 22:59:45,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 22:59:45,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:59:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:59:45,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:59:45,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:59:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 22:59:56,218 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 [] [2023-12-02 23:00:06,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:16,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:26,316 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 [] [2023-12-02 23:00:26,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 335 states and 488 transitions. [2023-12-02 23:00:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 488 transitions. [2023-12-02 23:00:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-02 23:00:26,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:26,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:26,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:00:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:00:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 344 states and 498 transitions. [2023-12-02 23:00:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 498 transitions. [2023-12-02 23:00:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 23:00:26,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:00:26,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:00:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:27,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:00:27,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:27,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:00:37,476 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 [] [2023-12-02 23:00:47,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:00:57,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:07,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 347 states and 500 transitions. [2023-12-02 23:01:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 500 transitions. [2023-12-02 23:01:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 23:01:07,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:01:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:01:08,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:01:08,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:01:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:01:18,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:28,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:38,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:48,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:01:59,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:02:09,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:02:19,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:02:29,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:02:40,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:02:50,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:00,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:10,276 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 [] [2023-12-02 23:03:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 426 states and 603 transitions. [2023-12-02 23:03:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 603 transitions. [2023-12-02 23:03:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 23:03:10,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:10,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:03:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:10,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:10,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:03:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 435 states and 614 transitions. [2023-12-02 23:03:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 614 transitions. [2023-12-02 23:03:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 23:03:11,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:11,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:03:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:11,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:03:11,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:03:11,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 435 states and 610 transitions. [2023-12-02 23:03:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 610 transitions. [2023-12-02 23:03:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 23:03:11,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:11,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:03:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:12,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:03:12,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-12-02 23:03:22,562 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 [] [2023-12-02 23:03:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 435 states and 608 transitions. [2023-12-02 23:03:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 608 transitions. [2023-12-02 23:03:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 23:03:22,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:03:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:23,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:23,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:03:23,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 436 states and 610 transitions. [2023-12-02 23:03:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 610 transitions. [2023-12-02 23:03:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:03:23,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:03:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:24,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:03:24,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 23:03:34,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:44,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:03:54,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:04,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:04,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 439 states and 612 transitions. [2023-12-02 23:04:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 612 transitions. [2023-12-02 23:04:04,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:04:04,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:04,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:04:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:05,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:05,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 23:04:15,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:25,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:35,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:45,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:04:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 442 states and 614 transitions. [2023-12-02 23:04:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 614 transitions. [2023-12-02 23:04:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:04:45,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:45,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:04:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:45,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:04:45,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 23:04:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:46,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 442 states and 612 transitions. [2023-12-02 23:04:46,186 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 612 transitions. [2023-12-02 23:04:46,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:04:46,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:46,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:04:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:46,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:04:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:46,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 23:04:56,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:05:06,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:05:16,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:05:26,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:05:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 445 states and 614 transitions. [2023-12-02 23:05:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 614 transitions. [2023-12-02 23:05:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 23:05:26,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:26,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:05:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:27,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:05:27,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:27,576 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:05:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 445 states and 612 transitions. [2023-12-02 23:05:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 612 transitions. [2023-12-02 23:05:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 23:05:27,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:27,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:05:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:28,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:05:28,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:28,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:05:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 448 states and 614 transitions. [2023-12-02 23:05:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 614 transitions. [2023-12-02 23:05:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 23:05:29,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:29,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:05:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:05:39,596 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) [2023-12-02 23:05:39,599 INFO L158 Benchmark]: Toolchain (without parser) took 580709.17ms. Allocated memory was 144.7MB in the beginning and 400.6MB in the end (delta: 255.9MB). Free memory was 104.1MB in the beginning and 279.3MB in the end (delta: -175.2MB). Peak memory consumption was 288.2MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,599 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:05:39,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.55ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 103.5MB in the beginning and 133.2MB in the end (delta: -29.7MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.84ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 114.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,601 INFO L158 Benchmark]: Boogie Preprocessor took 138.57ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 96.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,601 INFO L158 Benchmark]: RCFGBuilder took 5910.40ms. Allocated memory was 176.2MB in the beginning and 400.6MB in the end (delta: 224.4MB). Free memory was 96.6MB in the beginning and 147.1MB in the end (delta: -50.5MB). Peak memory consumption was 175.8MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,601 INFO L158 Benchmark]: CodeCheck took 573596.41ms. Allocated memory is still 400.6MB. Free memory was 147.1MB in the beginning and 279.3MB in the end (delta: -132.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-12-02 23:05:39,603 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 102.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.55ms. Allocated memory was 144.7MB in the beginning and 176.2MB in the end (delta: 31.5MB). Free memory was 103.5MB in the beginning and 133.2MB in the end (delta: -29.7MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.84ms. Allocated memory is still 176.2MB. Free memory was 132.3MB in the beginning and 114.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.57ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 96.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5910.40ms. Allocated memory was 176.2MB in the beginning and 400.6MB in the end (delta: 224.4MB). Free memory was 96.6MB in the beginning and 147.1MB in the end (delta: -50.5MB). Peak memory consumption was 175.8MB. Max. memory is 16.1GB. * CodeCheck took 573596.41ms. Allocated memory is still 400.6MB. Free memory was 147.1MB in the beginning and 279.3MB in the end (delta: -132.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:05:39,813 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:05:39,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:05:41,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:05:41,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:05:41,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:05:41,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:05:41,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:05:41,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:05:41,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:05:41,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:05:41,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:05:41,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:05:41,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:05:41,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:05:41,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:05:41,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:05:41,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:05:41,833 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:05:41,834 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:05:41,834 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:05:41,835 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:05:41,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:05:41,836 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:05:41,837 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:05:41,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:05:41,838 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:05:41,839 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:41,839 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:05:41,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:05:41,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:05:41,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:05:41,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:05:41,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:05:41,842 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:05:41,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:41,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:05:41,843 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:05:41,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:05:41,843 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9885703216edf9cfe4bfb438db591a48e102e73a3e0423f90ce871c05fdf2b57 [2023-12-02 23:05:42,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:05:42,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:05:42,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:05:42,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:05:42,186 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:05:42,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-12-02 23:05:45,124 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:05:45,453 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:05:45,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i [2023-12-02 23:05:45,476 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/cb8c21a1c/3efba69e5df34607812fcc3f6f611538/FLAG5e12be251 [2023-12-02 23:05:45,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/data/cb8c21a1c/3efba69e5df34607812fcc3f6f611538 [2023-12-02 23:05:45,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:05:45,499 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:05:45,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:05:45,500 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:05:45,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:05:45,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:05:45" (1/1) ... [2023-12-02 23:05:45,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ab839f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:45, skipping insertion in model container [2023-12-02 23:05:45,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:05:45" (1/1) ... [2023-12-02 23:05:45,596 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:05:46,058 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2023-12-02 23:05:46,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:05:46,353 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:05:46,376 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:05:46,401 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2023-12-02 23:05:46,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:05:46,525 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:05:46,555 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_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test10-1.i[33022,33035] [2023-12-02 23:05:46,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:05:46,687 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:05:46,696 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:05:46,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46 WrapperNode [2023-12-02 23:05:46,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:05:46,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:05:46,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:05:46,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:05:46,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,757 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,846 INFO L138 Inliner]: procedures = 180, calls = 524, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2185 [2023-12-02 23:05:46,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:05:46,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:05:46,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:05:46,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:05:46,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,874 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,874 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:46,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:05:46,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:05:47,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:05:47,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:05:47,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:05:46" (1/1) ... [2023-12-02 23:05:47,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:05:47,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:05:47,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:05:47,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:05:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 23:05:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-02 23:05:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-02 23:05:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:05:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:05:47,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:05:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:05:47,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:05:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:05:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:05:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:05:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:05:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 23:05:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:05:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:05:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:05:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:05:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:05:47,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:05:47,374 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:05:47,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:06:17,166 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:06:18,142 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:06:18,142 INFO L309 CfgBuilder]: Removed 151 assume(true) statements. [2023-12-02 23:06:18,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:18 BoogieIcfgContainer [2023-12-02 23:06:18,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:06:18,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:06:18,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:06:18,155 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:06:18,155 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:06:18" (1/1) ... [2023-12-02 23:06:18,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:06:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:18,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 271 states and 472 transitions. [2023-12-02 23:06:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 472 transitions. [2023-12-02 23:06:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:06:18,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:18,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:18,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:18,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:18,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:06:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:18,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:18,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:18,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:18,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:18,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 271 states and 468 transitions. [2023-12-02 23:06:18,877 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 468 transitions. [2023-12-02 23:06:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:06:18,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:18,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:18,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:18,885 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:18,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:06:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:19,351 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:19,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:19,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:19,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:19,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:06:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 271 states and 464 transitions. [2023-12-02 23:06:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 464 transitions. [2023-12-02 23:06:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:06:19,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:19,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:19,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:19,549 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:19,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:06:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:19,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:20,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:20,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:20,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:20,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:06:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 271 states and 462 transitions. [2023-12-02 23:06:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 462 transitions. [2023-12-02 23:06:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:06:20,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:20,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:20,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:06:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:20,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:20,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:20,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:20,633 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:20,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:06:20,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:20,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 271 states and 460 transitions. [2023-12-02 23:06:20,667 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 460 transitions. [2023-12-02 23:06:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 23:06:20,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:20,670 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:20,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:06:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:21,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:21,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:06:21,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:21,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:06:21,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:06:21,282 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 23:06:21,293 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 [2023-12-02 23:06:21,392 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:06:21,393 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 [2023-12-02 23:06:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:21,454 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:21,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:21,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 273 states and 463 transitions. [2023-12-02 23:06:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 463 transitions. [2023-12-02 23:06:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:06:21,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:21,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:21,819 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:21,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:06:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:22,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:22,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:22,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:22,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:22,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:06:22,401 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 273 states and 460 transitions. [2023-12-02 23:06:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 460 transitions. [2023-12-02 23:06:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 23:06:22,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:22,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:22,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:22,418 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:22,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:06:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:22,818 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:22,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:22,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:23,006 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:23,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:06:23,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:23,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 273 states and 456 transitions. [2023-12-02 23:06:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 456 transitions. [2023-12-02 23:06:23,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 23:06:23,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:23,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:23,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:23,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:23,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:06:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:23,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:23,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:23,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:23,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:06:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 273 states and 450 transitions. [2023-12-02 23:06:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 450 transitions. [2023-12-02 23:06:23,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 23:06:23,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:23,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:23,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:23,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:23,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:06:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:24,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:24,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:24,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:24,422 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:06:24,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:25,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:06:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 273 states and 444 transitions. [2023-12-02 23:06:25,942 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 444 transitions. [2023-12-02 23:06:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:06:25,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:25,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:25,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:25,945 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:25,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:06:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:26,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:26,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:27,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:06:29,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 287 states and 462 transitions. [2023-12-02 23:06:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 462 transitions. [2023-12-02 23:06:29,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:06:29,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:29,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:29,044 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:29,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:06:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:29,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:29,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:06:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 287 states and 460 transitions. [2023-12-02 23:06:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2023-12-02 23:06:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 23:06:29,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:29,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:29,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:29,984 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:06:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:30,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:30,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:30,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:30,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:06:30,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 287 states and 458 transitions. [2023-12-02 23:06:30,939 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 458 transitions. [2023-12-02 23:06:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 23:06:30,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:30,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:30,942 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:30,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:06:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:31,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:31,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:31,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:31,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:31,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 287 states and 456 transitions. [2023-12-02 23:06:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 456 transitions. [2023-12-02 23:06:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 23:06:31,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:31,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:31,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:31,980 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:31,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:06:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:32,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:33,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:33,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:33,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:33,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:06:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 290 states and 458 transitions. [2023-12-02 23:06:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 458 transitions. [2023-12-02 23:06:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 23:06:33,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:33,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:33,341 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:33,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:06:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:34,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:34,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:34,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:34,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:06:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2023-12-02 23:06:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2023-12-02 23:06:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 23:06:34,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:34,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:34,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:34,404 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:06:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:35,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:35,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:06:35,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:35,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:06:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:35,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:35,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:35,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:35,499 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:35,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:06:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:36,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:36,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:36,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:37,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:37,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:06:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:37,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:37,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:37,173 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:37,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:06:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:38,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:38,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:38,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:38,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:38,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:06:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:38,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:38,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:38,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:38,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:38,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:38,541 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:06:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:39,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:39,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:39,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:39,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:06:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:39,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:39,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:39,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:39,982 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:39,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:06:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:41,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:41,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:41,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:41,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:41,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:41,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:41,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:41,490 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:41,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:06:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:42,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:43,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:43,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:43,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:06:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:43,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:43,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:43,083 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:43,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:06:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:44,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:44,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:44,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:44,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:44,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:44,719 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:44,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:44,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:44,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:44,722 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:44,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:06:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:46,115 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:46,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:46,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:46,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:06:46,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:46,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:46,527 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:46,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:46,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:46,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:46,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:46,529 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:46,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:06:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:47,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:48,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:48,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:48,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:48,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:48,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:48,199 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:48,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:06:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:49,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:49,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:49,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:49,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:49,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:06:49,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:49,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:49,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:49,924 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:49,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:06:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:51,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:51,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:51,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:51,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 23:06:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:51,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:51,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:51,536 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:51,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:06:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:52,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:53,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:53,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:53,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:06:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:53,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:53,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:53,192 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:53,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:06:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:54,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:55,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:55,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:55,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:55,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:55,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:55,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:55,117 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:06:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:56,702 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:57,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:57,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:57,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:06:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:57,128 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:57,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:57,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:57,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:57,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:57,130 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:57,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:06:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:58,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:59,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:06:59,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:06:59,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-02 23:06:59,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:59,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:06:59,056 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:06:59,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:06:59,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:59,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:59,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:59,058 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:59,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:07:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:00,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:01,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:01,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:01,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:07:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:01,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:01,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:01,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:01,066 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:01,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:07:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:02,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:03,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:03,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:03,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:07:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:03,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:03,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:03,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:03,302 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:03,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:07:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:04,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:05,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:05,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:05,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 23:07:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:05,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:05,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:05,461 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:07:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:07,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:07,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:07,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:07,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:07,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:07:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:07,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:07,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:07,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:07,547 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:07,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:07:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:09,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:09,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:09,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:09,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:07:09,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:09,860 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:09,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:09,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:09,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:09,862 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:09,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:07:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:11,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:11,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:11,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:11,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:11,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:07:11,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:11,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:11,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:11,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:11,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:11,946 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:11,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:07:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:13,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:14,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:14,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:14,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:14,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:14,251 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:14,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:14,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:14,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:14,253 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:14,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:07:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:16,406 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:16,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:16,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:16,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:16,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:16,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:16,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:16,865 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:16,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:07:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:18,803 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:19,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:19,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:19,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:07:19,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:19,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:19,270 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:19,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:07:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:21,077 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:21,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:21,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:21,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:07:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:21,558 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:21,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:21,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:21,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:21,560 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:21,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:07:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:23,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:23,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:23,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:23,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:23,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 23:07:23,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:23,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:23,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:23,878 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:23,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:07:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:26,000 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:26,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:26,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:26,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:26,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:26,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:26,470 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:26,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:26,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:26,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:26,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:26,472 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:26,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:07:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:28,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:28,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:28,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:28,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:28,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:28,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:28,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:28,977 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:28,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:07:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:30,926 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:31,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:31,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:31,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:31,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:07:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:31,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:31,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:31,422 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:31,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:07:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:33,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:33,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:33,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:33,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:07:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:33,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:33,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:33,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:33,900 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:33,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:07:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:36,081 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:36,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:36,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:36,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-02 23:07:36,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:36,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:36,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:36,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:36,542 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:36,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:07:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:38,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:39,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:39,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:39,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:39,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:07:39,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:39,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:39,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:39,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:39,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:39,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:39,143 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:39,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:07:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:41,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:41,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:41,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:41,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 23:07:41,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:41,668 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:41,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:41,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:41,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:41,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:41,669 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:07:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:43,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:44,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:44,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:44,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:44,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:07:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:44,375 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:44,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:44,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:44,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:44,376 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:07:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:46,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:47,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:47,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:47,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:07:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:47,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:47,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:47,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:47,099 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:47,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:07:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:49,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:49,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:49,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:49,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:07:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:49,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:49,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:49,912 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:49,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:07:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:52,450 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:52,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:52,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:52,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:52,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:07:52,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:52,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:52,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:52,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:52,909 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:52,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:07:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:55,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:55,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:55,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:55,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:55,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:07:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:55,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:55,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:55,751 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:55,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:07:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:58,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:58,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:07:58,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:07:58,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:07:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:07:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:07:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:07:58,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:58,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:58,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:58,833 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:58,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:08:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:01,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:01,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:02,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:02,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:08:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:02,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:02,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:02,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:02,047 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:02,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:08:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:04,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:05,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:05,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:05,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:08:05,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:05,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:05,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:05,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:05,188 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:05,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:08:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:07,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:08,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:08,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:08,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:08:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:08,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:08,400 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:08,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:08,402 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:08,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:08:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:11,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:11,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:11,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:11,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:08:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:11,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:11,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:11,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:11,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:11,606 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:08:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:14,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:14,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:14,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:14,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:14,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:14,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:14,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:14,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:14,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:14,852 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:14,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:08:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:17,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:18,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:18,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:18,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:18,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:18,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:18,118 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:08:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:20,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:21,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:21,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:21,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:21,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:21,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:21,279 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:21,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:08:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:24,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:24,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:24,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:24,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:08:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:24,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:24,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:24,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:24,644 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:24,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:08:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:27,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:28,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:28,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:28,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2023-12-02 23:08:28,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:28,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:28,113 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:28,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:28,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:28,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:28,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:28,114 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:28,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:08:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:31,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:31,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:31,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:31,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:08:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:31,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:31,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:31,805 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:31,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:08:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:34,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:35,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:35,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:35,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:08:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:35,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:35,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:35,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:35,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:35,169 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:35,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:08:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:38,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:38,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:38,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:38,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:08:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:38,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:38,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:38,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:38,621 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:38,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:08:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:41,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:41,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:41,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:41,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:08:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:41,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:41,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:41,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:41,977 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:41,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:08:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:45,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:45,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:45,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:45,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:08:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:45,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:45,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:45,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:45,786 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:45,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:08:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:49,131 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:49,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:49,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:49,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:08:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:49,617 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:49,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:49,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:49,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:49,618 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:49,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:08:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:52,941 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:53,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:53,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:53,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:53,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:08:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:53,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:53,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:53,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:53,466 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:53,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:08:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:56,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:08:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:08:57,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:08:57,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:08:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:08:57,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 23:08:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:08:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:08:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:08:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:08:57,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:08:57,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:08:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:08:57,182 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:08:57,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:09:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:00,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:00,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:00,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:00,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:09:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:00,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:00,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:00,776 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:09:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:04,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:04,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:04,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:04,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:09:04,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:04,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:04,582 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:04,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:04,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:04,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:04,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:04,584 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:04,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:09:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:08,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:08,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:08,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:08,818 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:08,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:09:08,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:08,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:08,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:08,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:08,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:08,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:08,862 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:08,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:09:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:12,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:13,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:13,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:13,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:13,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:09:13,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:13,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:13,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:13,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:13,157 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:13,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:09:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:16,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:17,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:17,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:17,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:09:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:17,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:17,413 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:17,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:17,414 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:17,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:09:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:21,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:21,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:21,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:21,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:21,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:09:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:21,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:21,526 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:21,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:09:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:24,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:25,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:25,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:25,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:09:25,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:25,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:25,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:25,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:25,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:25,490 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:25,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:09:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:28,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:29,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:29,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:29,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:09:29,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:29,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:29,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:29,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:29,374 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:29,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:09:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:32,782 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:33,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:33,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:33,212 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:33,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:09:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:33,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:33,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:33,258 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:33,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:09:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:36,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:37,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:37,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:37,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:09:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:37,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:37,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:37,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:37,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:37,246 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:37,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:09:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:41,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:41,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:41,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:41,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:09:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:41,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:41,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:41,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:41,469 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:41,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:09:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:45,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:45,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:45,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:45,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:09:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:45,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:45,736 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:45,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:45,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:45,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:45,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:45,738 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:09:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:49,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:49,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:49,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:50,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:09:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:50,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:50,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:50,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:50,021 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:50,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:09:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:53,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:53,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:53,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:53,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:53,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-02 23:09:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:53,940 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:53,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:53,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:53,943 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:53,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:09:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:57,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:09:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:09:58,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:09:58,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:09:58,238 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:09:58,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 23:09:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:09:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:09:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:09:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:09:58,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:09:58,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:09:58,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:09:58,295 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:09:58,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:10:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:01,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:10:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:10:02,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:10:02,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:10:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:10:02,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 23:10:02,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:10:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 290 states and 447 transitions. [2023-12-02 23:10:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 447 transitions. [2023-12-02 23:10:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 23:10:02,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:10:02,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:02,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:10:02,353 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:10:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98acd5e8-542f-4a11-bbcf-a7fb09b17b26/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process