./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/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_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/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_72738741-803a-4d61-9c2f-a21e00a31327/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:36:56,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:36:56,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:36:56,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:36:56,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:36:56,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:36:56,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:36:56,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:36:56,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:36:56,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:36:56,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:36:56,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:36:56,849 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:36:56,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:36:56,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:36:56,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:36:56,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:36:56,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:36:56,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:36:56,852 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:36:56,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:36:56,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:36:56,854 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:36:56,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:36:56,855 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:36:56,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:36:56,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:36:56,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:36:56,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:36:56,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:36:56,857 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:36:56,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:36:56,858 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:36:56,859 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_72738741-803a-4d61-9c2f-a21e00a31327/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-12-02 21:36:57,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:36:57,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:36:57,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:36:57,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:36:57,105 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:36:57,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-02 21:36:59,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:37:00,225 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:37:00,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-02 21:37:00,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/944043917/c13e342ec4734ea59a99fa56f06c14fa/FLAGf598cd348 [2023-12-02 21:37:00,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/944043917/c13e342ec4734ea59a99fa56f06c14fa [2023-12-02 21:37:00,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:37:00,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:37:00,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:00,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:37:00,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:37:00,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:00" (1/1) ... [2023-12-02 21:37:00,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b815b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:00, skipping insertion in model container [2023-12-02 21:37:00,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:37:00" (1/1) ... [2023-12-02 21:37:00,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:37:00,773 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-12-02 21:37:00,786 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-12-02 21:37:00,876 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-12-02 21:37:00,878 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-12-02 21:37:00,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:00,908 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:37:00,950 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-12-02 21:37:00,954 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-12-02 21:37:01,014 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-12-02 21:37:01,015 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-12-02 21:37:01,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:37:01,077 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:37:01,084 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:37:01,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01 WrapperNode [2023-12-02 21:37:01,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:37:01,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:01,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:37:01,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:37:01,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,129 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,199 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-12-02 21:37:01,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:37:01,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:37:01,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:37:01,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:37:01,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,313 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:37:01,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:37:01,314 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:37:01,314 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:37:01,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:37:01" (1/1) ... [2023-12-02 21:37:01,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:37:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:37:01,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:37:01,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:37:01,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:37:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 21:37:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:37:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:37:01,407 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-02 21:37:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-02 21:37:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:37:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:37:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:37:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:37:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:37:01,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:37:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-02 21:37:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-02 21:37:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:37:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-02 21:37:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-02 21:37:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:37:01,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:37:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:37:01,619 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:37:01,621 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:02,921 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:04,401 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:04,402 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 21:37:04,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:04 BoogieIcfgContainer [2023-12-02 21:37:04,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:04,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:04,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:04,414 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:04,414 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:04" (1/1) ... [2023-12-02 21:37:04,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-12-02 21:37:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-12-02 21:37:04,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:37:04,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:04,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:04,651 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 21:37:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:04,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 169 states and 271 transitions. [2023-12-02 21:37:04,672 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 271 transitions. [2023-12-02 21:37:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:37:04,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:04,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:04,825 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 21:37:04,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 274 transitions. [2023-12-02 21:37:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2023-12-02 21:37:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:37:04,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:05,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:37:05,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:05,067 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 21:37:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:05,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 171 states and 265 transitions. [2023-12-02 21:37:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 265 transitions. [2023-12-02 21:37:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:37:05,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:05,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:05,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:37:05,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:05,221 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 21:37:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:05,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2023-12-02 21:37:05,228 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2023-12-02 21:37:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:37:05,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:05,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:05,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:37:05,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:05,375 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 21:37:15,401 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 21:37:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 171 states and 261 transitions. [2023-12-02 21:37:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 261 transitions. [2023-12-02 21:37:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:37:15,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:15,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:16,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:37:16,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:16,481 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 21:37:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2023-12-02 21:37:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2023-12-02 21:37:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:37:16,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:16,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:37:16,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:16,872 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 21:37:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 176 states and 262 transitions. [2023-12-02 21:37:16,913 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2023-12-02 21:37:16,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:37:16,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:17,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:37:17,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:17,270 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 21:37:27,622 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 21:37:37,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:37:47,667 WARN L539 Checker$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 21:37:57,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:37:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 189 states and 278 transitions. [2023-12-02 21:37:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 278 transitions. [2023-12-02 21:37:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:37:57,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:57,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:37:57,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:38:08,770 WARN L539 Checker$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 21:38:18,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:38:28,818 WARN L539 Checker$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 21:38:38,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:38:39,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 215 states and 325 transitions. [2023-12-02 21:38:39,679 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 325 transitions. [2023-12-02 21:38:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:38:39,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:39,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:38:39,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:38:49,950 WARN L539 Checker$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 21:38:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 215 states and 323 transitions. [2023-12-02 21:38:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2023-12-02 21:38:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:38:49,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:49,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:50,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:38:50,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:39:00,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:39:10,366 WARN L539 Checker$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 21:39:20,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:39:30,440 WARN L539 Checker$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 21:39:30,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:30,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 218 states and 325 transitions. [2023-12-02 21:39:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 325 transitions. [2023-12-02 21:39:30,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:39:30,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:30,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:39:30,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 224 states and 337 transitions. [2023-12-02 21:39:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2023-12-02 21:39:31,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:39:31,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:31,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:31,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:39:31,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:39:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 222 states and 332 transitions. [2023-12-02 21:39:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2023-12-02 21:39:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:39:31,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:31,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:31,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:39:31,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:39:42,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:39:52,051 WARN L539 Checker$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 21:40:02,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:12,112 WARN L539 Checker$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 21:40:12,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 225 states and 334 transitions. [2023-12-02 21:40:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 334 transitions. [2023-12-02 21:40:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:40:12,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:12,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:12,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:40:12,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:40:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 238 states and 350 transitions. [2023-12-02 21:40:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 350 transitions. [2023-12-02 21:40:13,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:40:13,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:13,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 21:40:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 238 states and 348 transitions. [2023-12-02 21:40:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 348 transitions. [2023-12-02 21:40:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:40:13,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:13,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:14,138 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:40:24,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:35,012 WARN L539 Checker$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 21:40:45,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:40:55,246 WARN L539 Checker$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 21:40:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 254 states and 379 transitions. [2023-12-02 21:40:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 379 transitions. [2023-12-02 21:40:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:40:56,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:56,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:56,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:40:56,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:56,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:40:56,574 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 21:40:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:40:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 256 states and 382 transitions. [2023-12-02 21:40:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 382 transitions. [2023-12-02 21:40:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:40:56,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:56,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:57,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:40:57,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:40:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 256 states and 379 transitions. [2023-12-02 21:40:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 379 transitions. [2023-12-02 21:40:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:40:57,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:57,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:57,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:40:57,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:41:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 262 states and 396 transitions. [2023-12-02 21:41:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2023-12-02 21:41:00,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:41:00,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:00,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:41:11,263 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 21:41:11,266 INFO L158 Benchmark]: Toolchain (without parser) took 251001.96ms. Allocated memory was 163.6MB in the beginning and 257.9MB in the end (delta: 94.4MB). Free memory was 123.4MB in the beginning and 56.9MB in the end (delta: 66.5MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,266 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:41:11,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.79ms. Allocated memory is still 163.6MB. Free memory was 123.4MB in the beginning and 78.7MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.12ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,268 INFO L158 Benchmark]: Boogie Preprocessor took 113.29ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 57.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,269 INFO L158 Benchmark]: RCFGBuilder took 3089.67ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 57.7MB in the beginning and 100.1MB in the end (delta: -42.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,269 INFO L158 Benchmark]: CodeCheck took 246860.73ms. Allocated memory was 207.6MB in the beginning and 257.9MB in the end (delta: 50.3MB). Free memory was 100.1MB in the beginning and 56.9MB in the end (delta: 43.3MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2023-12-02 21:41:11,272 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 0.21ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.79ms. Allocated memory is still 163.6MB. Free memory was 123.4MB in the beginning and 78.7MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.12ms. Allocated memory is still 163.6MB. Free memory was 78.7MB in the beginning and 68.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.29ms. Allocated memory is still 163.6MB. Free memory was 68.2MB in the beginning and 57.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3089.67ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 57.7MB in the beginning and 100.1MB in the end (delta: -42.5MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * CodeCheck took 246860.73ms. Allocated memory was 207.6MB in the beginning and 257.9MB in the end (delta: 50.3MB). Free memory was 100.1MB in the beginning and 56.9MB in the end (delta: 43.3MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:41:11,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/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_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/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_72738741-803a-4d61-9c2f-a21e00a31327/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:41:13,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:41:13,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:41:13,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:41:13,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:41:13,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:41:13,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:41:13,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:41:13,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:41:13,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:41:13,236 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:41:13,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:41:13,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:41:13,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:41:13,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:41:13,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:41:13,239 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:41:13,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:41:13,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:41:13,241 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:41:13,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:41:13,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:41:13,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:41:13,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:41:13,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:41:13,244 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:13,244 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:41:13,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:41:13,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:41:13,246 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:41:13,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:41:13,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:41:13,247 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:41:13,247 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:13,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:41:13,248 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:41:13,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:41:13,248 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_72738741-803a-4d61-9c2f-a21e00a31327/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2023-12-02 21:41:13,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:41:13,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:41:13,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:41:13,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:41:13,560 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:41:13,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-02 21:41:16,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:41:16,688 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:41:16,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2023-12-02 21:41:16,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/1614b2768/dbde0c3522fc4eaa956146f96c881d9b/FLAGd32ef330f [2023-12-02 21:41:16,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/data/1614b2768/dbde0c3522fc4eaa956146f96c881d9b [2023-12-02 21:41:16,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:41:16,727 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:41:16,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:41:16,729 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:41:16,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:41:16,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:41:16" (1/1) ... [2023-12-02 21:41:16,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574d282b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:16, skipping insertion in model container [2023-12-02 21:41:16,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:41:16" (1/1) ... [2023-12-02 21:41:16,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:41:17,383 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-12-02 21:41:17,396 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-12-02 21:41:17,514 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-12-02 21:41:17,515 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-12-02 21:41:17,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:41:17,558 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:41:17,582 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:41:17,609 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-12-02 21:41:17,611 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-12-02 21:41:17,662 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-12-02 21:41:17,663 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-12-02 21:41:17,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:41:17,682 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:41:17,717 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2023-12-02 21:41:17,719 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2023-12-02 21:41:17,767 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2023-12-02 21:41:17,768 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_72738741-803a-4d61-9c2f-a21e00a31327/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2023-12-02 21:41:17,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:41:17,833 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:41:17,841 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:41:17,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17 WrapperNode [2023-12-02 21:41:17,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:41:17,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:41:17,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:41:17,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:41:17,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:17,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:17,965 INFO L138 Inliner]: procedures = 285, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1207 [2023-12-02 21:41:17,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:41:17,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:41:17,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:41:17,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:41:17,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:17,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:17,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:17,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:41:18,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:41:18,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:41:18,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:41:18,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:41:17" (1/1) ... [2023-12-02 21:41:18,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:41:18,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:41:18,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:41:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:41:18,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:41:18,146 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-02 21:41:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-02 21:41:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:41:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:41:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:41:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:41:18,147 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-02 21:41:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-02 21:41:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 21:41:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-02 21:41:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-02 21:41:18,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:41:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:41:18,377 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:41:18,379 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:41:25,361 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:41:25,903 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:41:25,903 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-02 21:41:25,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:25 BoogieIcfgContainer [2023-12-02 21:41:25,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:41:25,906 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:41:25,906 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:41:25,916 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:41:25,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:41:25" (1/1) ... [2023-12-02 21:41:25,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:41:25,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-12-02 21:41:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-12-02 21:41:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:41:25,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:25,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:25,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:25,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:26,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:41:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:26,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:26,437 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 21:41:26,442 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:41:26,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 169 states and 271 transitions. [2023-12-02 21:41:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 271 transitions. [2023-12-02 21:41:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:41:26,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:26,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:26,479 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:26,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:41:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:26,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:26,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:26,971 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 21:41:26,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:41:26,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:41:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 176 states and 281 transitions. [2023-12-02 21:41:27,288 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 281 transitions. [2023-12-02 21:41:27,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:41:27,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:27,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:27,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:27,291 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:27,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:41:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:27,609 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:27,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:27,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:27,700 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 21:41:27,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:41:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 176 states and 278 transitions. [2023-12-02 21:41:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 278 transitions. [2023-12-02 21:41:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:41:27,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:27,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:27,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:27,719 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:27,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:41:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:28,069 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:28,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:41:28,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:28,360 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-12-02 21:41:28,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 102 [2023-12-02 21:41:28,380 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,382 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2023-12-02 21:41:28,439 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,440 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,441 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 21:41:28,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2023-12-02 21:41:28,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2023-12-02 21:41:28,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2023-12-02 21:41:28,794 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:41:28,795 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 21:41:28,822 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 21:41:28,827 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:41:28,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:41:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:29,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 178 states and 280 transitions. [2023-12-02 21:41:29,765 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 280 transitions. [2023-12-02 21:41:29,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:41:29,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:29,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:29,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:29,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:29,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:41:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,086 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:30,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:30,240 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 21:41:30,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:41:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 178 states and 272 transitions. [2023-12-02 21:41:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2023-12-02 21:41:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:41:30,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:30,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:30,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:30,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:30,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:41:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:30,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:30,725 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 21:41:30,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:41:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 178 states and 270 transitions. [2023-12-02 21:41:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 270 transitions. [2023-12-02 21:41:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:41:30,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:30,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:30,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:30,737 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:30,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:41:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:31,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:31,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:31,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:31,253 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 21:41:31,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:41:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 178 states and 268 transitions. [2023-12-02 21:41:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 268 transitions. [2023-12-02 21:41:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:41:31,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:31,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:31,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:31,297 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:31,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:41:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:31,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:32,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:41:32,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:32,362 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 21:41:32,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:41:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 197 states and 298 transitions. [2023-12-02 21:41:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 298 transitions. [2023-12-02 21:41:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:41:35,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:35,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:35,070 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:35,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:41:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:35,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:35,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:35,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:35,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:35,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:41:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2023-12-02 21:41:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2023-12-02 21:41:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:41:35,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:35,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:35,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:35,680 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:35,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:41:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:36,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:36,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:41:36,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:41:36,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 200 states and 298 transitions. [2023-12-02 21:41:36,425 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2023-12-02 21:41:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:41:36,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:36,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:36,427 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:36,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:41:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:36,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:37,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:37,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:37,083 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 21:41:37,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:41:38,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:41:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 200 states and 288 transitions. [2023-12-02 21:41:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 288 transitions. [2023-12-02 21:41:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:41:38,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:38,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:38,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:38,461 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:38,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:41:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:38,968 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:39,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:41:39,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:39,329 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 21:41:39,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:41:39,335 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:41:39,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 211 states and 300 transitions. [2023-12-02 21:41:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-02 21:41:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:41:39,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:39,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:39,931 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:39,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:41:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:40,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:40,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:41:40,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:41:40,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:41:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 214 states and 302 transitions. [2023-12-02 21:41:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2023-12-02 21:41:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:41:40,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:40,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:40,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:40,923 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:40,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:41:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:41,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:41,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:41,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:41,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:43,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:43,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 230 states and 333 transitions. [2023-12-02 21:41:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 333 transitions. [2023-12-02 21:41:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:41:43,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:43,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:43,442 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:43,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:41:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:44,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:44,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:41:44,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:44,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:41:44,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:41:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 228 states and 328 transitions. [2023-12-02 21:41:44,336 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 328 transitions. [2023-12-02 21:41:44,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:44,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:44,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:44,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:44,338 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:44,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:41:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:45,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:45,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:45,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:45,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:41:46,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:46,862 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:46,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:46,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:46,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:46,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:46,864 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:46,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:41:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:47,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:47,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:41:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:48,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:48,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:48,212 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:48,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:41:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:49,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:49,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:49,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:49,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:49,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:49,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:49,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:49,361 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:49,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:41:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:50,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:50,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:50,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:50,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:41:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:50,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:50,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:50,582 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:50,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:41:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:51,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:51,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:51,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:51,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:41:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:51,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:51,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:51,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:51,826 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:51,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:41:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:52,835 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:53,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:53,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:53,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:41:53,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:53,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:53,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:53,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:53,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:53,196 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:53,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:41:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:54,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:54,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:54,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:54,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:41:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:54,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:54,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:54,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:54,578 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:54,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:41:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:55,611 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:55,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:55,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:55,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 21:41:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:55,960 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:55,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:55,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:55,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:55,962 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:55,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:41:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:56,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:57,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:57,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:57,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:41:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:57,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:57,306 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:57,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:57,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:57,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:57,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:57,308 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:57,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:41:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:58,398 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:58,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:41:58,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:41:58,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:41:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:41:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:41:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:41:58,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:58,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:58,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:58,812 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:58,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:41:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:59,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:00,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:00,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:00,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:00,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:42:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:00,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:00,356 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:00,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:00,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:00,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:00,357 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:00,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:42:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:01,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:01,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:01,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:01,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:42:01,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:01,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:01,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:01,855 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:42:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:02,928 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:03,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:03,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:03,248 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:03,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:03,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:03,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:03,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:03,280 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:03,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:42:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:04,442 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:04,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:04,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:04,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:42:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:04,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:04,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:04,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:04,819 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:04,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:42:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:06,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:06,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:06,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:06,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:42:06,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:06,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:06,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:06,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:06,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:06,473 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:06,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:42:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:07,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:08,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:08,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:08,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:42:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:08,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:08,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:08,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:08,227 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:08,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:42:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:09,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:10,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:42:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:10,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:10,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:10,037 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:10,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:42:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:11,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-02 21:42:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:11,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:11,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:11,873 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:11,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:42:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:13,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:13,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:13,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:13,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 21:42:13,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:13,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:13,672 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:13,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:13,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:13,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:13,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:13,673 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:13,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:42:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:15,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:15,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:15,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:15,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:42:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:15,633 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:15,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:15,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:15,635 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:15,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:42:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:17,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:17,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 21:42:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:17,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:17,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:17,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:17,484 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:17,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:42:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:19,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:19,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:19,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:19,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:19,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:19,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:19,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:19,435 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:42:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:21,058 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:21,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:21,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:21,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:42:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:21,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:21,441 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:21,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:21,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:21,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:21,443 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:21,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:42:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:22,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:23,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:23,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:23,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:23,301 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:23,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:23,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:23,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:23,303 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:23,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:42:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:24,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:25,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:25,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:25,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:25,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:25,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:25,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:25,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:25,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:25,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:25,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:25,293 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:25,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:42:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:27,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:27,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:27,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:27,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:42:27,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:27,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:27,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:27,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:27,396 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:27,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:42:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:29,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:29,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:29,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:29,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:29,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:29,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:29,731 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:29,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:42:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:31,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:31,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:31,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:31,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:42:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:31,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:31,953 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:31,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:42:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:33,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:34,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:34,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:34,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:34,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:42:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:34,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:34,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:34,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:34,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:34,251 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:34,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:42:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:36,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:36,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:36,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:36,437 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:36,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 21:42:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:36,478 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:36,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:36,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:36,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:36,480 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:36,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:42:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:38,393 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:38,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:38,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:38,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:42:38,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:38,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:38,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:38,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:38,786 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:38,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:42:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:40,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:41,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:41,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:41,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 21:42:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:41,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:41,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:41,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:41,215 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:41,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:42:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:43,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:43,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:42:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:43,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:43,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:43,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:43,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:43,445 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:43,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:42:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:45,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:45,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:45,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:45,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:45,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:42:45,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:45,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:45,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:45,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:45,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:45,908 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:45,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:42:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:48,056 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:48,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:48,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:48,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:42:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:48,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:48,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:48,444 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:48,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:42:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:50,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:50,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:50,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:51,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 21:42:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:51,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:51,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:51,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:51,033 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:51,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:42:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:53,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:53,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:53,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:53,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:53,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:53,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:53,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:53,553 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:53,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:42:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:55,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:56,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:56,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:56,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:56,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:56,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:56,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:56,134 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 21:42:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:58,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:58,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:42:58,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:42:58,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 21:42:58,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:58,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:42:58,718 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:42:58,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:42:58,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:58,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:58,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:58,720 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:58,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 21:43:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:01,094 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:01,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:01,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:01,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-02 21:43:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:01,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:01,486 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:01,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 21:43:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:03,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:04,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:04,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:04,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 21:43:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:04,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:04,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:04,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:04,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:04,253 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:04,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 21:43:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:06,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:07,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:07,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:07,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 21:43:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:07,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:07,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:07,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:07,117 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:07,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 21:43:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:09,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:09,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:09,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:10,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 21:43:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:10,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:10,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:10,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:10,017 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:10,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 21:43:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:12,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:12,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:12,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:12,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 21:43:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:12,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:12,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:12,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:12,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:12,833 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:12,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 21:43:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:15,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:15,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:15,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:15,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 21:43:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:15,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:15,856 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:15,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:15,857 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:15,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 21:43:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:18,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:18,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:18,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:18,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 21:43:18,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:18,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:18,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:18,616 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:18,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 21:43:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:21,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:21,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:21,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:21,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:21,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 21:43:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:21,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:21,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:21,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:21,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:21,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:21,578 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:21,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 21:43:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:24,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:24,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:24,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:24,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:24,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 21:43:24,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:24,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:24,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:24,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:24,595 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:24,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 21:43:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:27,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:27,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:27,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:27,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 21:43:27,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:27,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:27,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:27,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:27,602 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:27,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 21:43:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:30,431 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:30,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:30,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:30,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 21:43:30,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:30,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:30,789 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:30,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:30,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:30,791 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:30,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 21:43:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:33,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:33,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:33,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:33,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 21:43:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:33,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:33,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:33,983 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:33,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 21:43:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:36,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:37,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:37,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:37,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:37,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 21:43:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:37,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:37,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:37,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:37,301 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 21:43:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:40,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:40,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:40,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:40,583 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:40,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 21:43:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:40,620 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:40,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:40,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:40,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:40,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:40,621 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:40,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 21:43:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:43,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:43,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:43,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:43,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 21:43:43,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:43,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:43,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:43,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:43,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:43,963 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:43,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 21:43:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:46,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:47,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:47,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:47,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 21:43:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:47,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:47,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:47,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:47,391 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:47,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 21:43:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:50,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:50,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:50,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:50,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 21:43:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:50,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:50,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:50,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:50,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:50,751 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:50,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 21:43:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:53,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:54,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:54,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:54,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 21:43:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:54,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:54,255 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:54,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:54,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:54,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:54,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:54,257 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:54,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 21:43:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:57,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:57,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:43:57,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:43:57,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 21:43:57,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:43:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:43:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:43:57,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:57,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:57,598 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:57,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 21:44:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:00,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:01,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:01,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:01,218 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:01,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 21:44:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:01,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:01,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:01,258 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:01,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 21:44:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:04,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:04,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:04,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:04,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 21:44:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:04,797 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:04,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:04,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:04,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:04,798 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:04,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 21:44:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:07,931 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:08,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:08,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:08,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 21:44:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:08,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:08,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:08,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:08,326 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:08,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 21:44:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:11,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:11,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:11,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:12,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 21:44:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:12,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:12,012 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:12,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:12,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:12,013 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:12,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 21:44:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:15,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:15,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:15,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:15,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 21:44:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:15,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:15,591 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:15,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 21:44:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:19,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:19,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:19,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:19,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 21:44:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:19,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:19,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:19,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:19,482 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:19,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 21:44:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:22,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:23,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:23,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:23,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 21:44:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:23,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:23,242 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:23,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:23,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:23,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:23,244 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:23,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 21:44:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:26,669 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:26,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:26,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:26,969 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:27,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2023-12-02 21:44:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:27,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:27,013 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:27,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:27,014 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:27,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 21:44:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:30,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:30,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:30,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:31,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 21:44:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:31,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:31,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:31,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:31,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:31,051 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:31,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 21:44:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:34,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:34,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:34,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:34,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:34,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 21:44:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:34,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:34,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:34,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:34,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:34,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:34,970 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:34,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 21:44:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:38,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:38,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:38,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:38,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:38,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 21:44:38,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:38,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:38,961 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:38,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:38,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:38,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:38,962 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:38,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 21:44:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:42,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:42,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:42,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:42,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 21:44:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:42,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:42,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:42,969 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:42,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 21:44:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:46,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:46,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:46,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:46,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-02 21:44:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:46,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:46,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:46,971 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:46,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 21:44:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:50,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:50,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:50,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:50,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 21:44:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:50,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:50,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:50,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:50,878 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:50,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 21:44:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:54,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:54,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:54,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:54,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2023-12-02 21:44:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:54,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:54,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:54,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:54,815 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:54,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 21:44:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:58,634 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:58,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:44:58,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:44:59,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 21:44:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:44:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:44:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:44:59,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:59,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:59,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:59,024 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:59,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 21:45:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:02,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:03,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:03,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:03,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 21:45:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:03,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:03,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:03,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:03,231 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:03,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 21:45:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:07,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:07,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:07,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:07,399 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:07,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 21:45:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:07,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:07,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:07,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:07,465 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:07,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 21:45:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:11,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:11,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:11,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:11,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:11,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 21:45:11,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:11,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:11,749 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:11,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:11,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:11,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:11,750 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:11,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 21:45:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:15,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:16,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:16,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:16,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2023-12-02 21:45:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:16,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:16,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:16,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:16,198 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 21:45:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:20,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:20,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:20,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:20,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 21:45:20,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:20,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:20,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:20,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:20,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:20,813 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:20,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 21:45:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:24,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:25,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:25,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:25,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 21:45:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:25,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:25,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:25,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:25,262 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:25,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 21:45:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:29,306 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:29,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:29,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:29,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:29,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 21:45:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:29,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:29,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:29,661 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:29,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 21:45:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:33,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:34,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:34,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:34,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:34,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 21:45:34,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:34,155 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:34,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:34,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:34,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:34,156 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:34,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 21:45:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:38,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:38,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:38,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:38,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 21:45:38,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:38,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:38,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:38,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:38,456 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:38,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 21:45:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:42,541 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:42,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:42,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:42,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 21:45:42,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:42,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:42,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:42,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:42,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:42,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:42,966 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:42,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 21:45:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:47,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:47,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:47,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:47,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 21:45:47,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:47,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:47,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:47,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:47,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:47,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:47,520 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:47,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 21:45:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:52,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:52,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:52,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:52,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 21:45:52,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:52,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:52,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:52,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:52,382 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:52,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 21:45:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:56,254 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:45:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:56,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:45:56,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:45:56,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 21:45:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:45:56,662 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:45:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:45:56,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:56,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:45:56,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:45:56,663 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:45:56,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 21:46:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:00,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:01,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:01,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:01,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 21:46:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:01,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:01,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:01,340 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:01,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 21:46:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:05,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:05,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:05,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:05,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 21:46:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:05,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:05,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:05,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:05,923 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:05,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 21:46:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:10,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:10,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:10,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:10,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 21:46:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:10,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:10,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:10,560 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:10,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 21:46:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:14,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:15,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:15,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:15,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 21:46:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:15,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:15,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:15,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:15,184 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:15,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 21:46:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:19,613 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:19,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:19,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:19,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:19,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 21:46:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:20,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:20,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:20,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:20,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:20,006 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:20,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 21:46:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:24,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:24,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:24,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:24,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 21:46:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:24,913 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:24,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:24,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:24,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:24,914 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:24,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 21:46:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:29,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:30,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:30,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:30,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 21:46:30,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:30,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:30,367 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:30,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:30,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:30,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:30,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:30,369 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:30,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 21:46:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:34,753 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:35,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:35,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:35,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2023-12-02 21:46:35,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:35,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:35,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:35,137 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:35,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 21:46:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:39,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:40,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:40,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:40,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 21:46:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:40,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:40,136 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:40,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 21:46:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:44,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:45,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:45,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:45,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 21:46:45,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:45,348 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:45,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:45,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:45,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:45,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:45,349 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:45,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 21:46:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:50,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:50,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:50,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:50,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 21:46:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:50,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:50,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:50,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:50,601 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:50,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 21:46:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:54,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:54,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:54,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:54,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 21:46:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:54,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:54,547 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:54,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:54,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:54,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:54,548 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:54,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 21:46:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:59,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:46:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:59,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:46:59,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:46:59,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 21:46:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:46:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:46:59,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:46:59,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:59,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:46:59,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:46:59,578 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:46:59,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 21:47:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:04,519 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:04,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:04,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:04,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 21:47:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:04,893 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:04,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:04,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:04,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:04,894 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:04,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 21:47:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:09,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:09,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:09,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:09,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 21:47:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:09,850 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:09,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:09,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:09,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:09,851 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:09,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 21:47:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:14,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:14,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:14,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:15,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 21:47:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:15,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:15,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:15,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:15,068 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:15,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 21:47:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:19,718 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:20,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:20,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:20,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-02 21:47:20,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:20,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:20,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:20,103 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:20,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-02 21:47:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:24,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:25,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:25,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:25,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-02 21:47:25,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:25,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:25,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:25,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:25,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:25,337 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:25,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-02 21:47:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:30,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:30,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:30,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-02 21:47:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:30,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:30,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:30,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:30,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:30,584 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:30,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-02 21:47:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:35,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:35,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:35,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:35,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:35,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-02 21:47:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:35,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:35,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:35,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:35,612 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:35,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-02 21:47:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:40,493 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:40,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:40,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:40,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:40,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-02 21:47:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:40,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:40,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:40,899 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:40,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-02 21:47:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:45,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:46,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:46,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:46,026 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:46,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-02 21:47:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:46,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:46,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:46,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:46,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:46,087 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:46,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-02 21:47:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:51,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:51,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:51,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:51,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-02 21:47:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:51,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:51,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:51,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:51,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:51,648 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:51,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-02 21:47:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:56,581 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:47:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:56,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:56,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:47:56,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-02 21:47:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:47:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:47:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:56,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:47:56,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:47:56,959 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:47:56,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-02 21:48:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:02,111 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:02,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:02,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:02,436 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:02,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-02 21:48:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:02,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:02,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:02,497 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:02,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-02 21:48:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:07,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:07,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:07,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:07,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-02 21:48:07,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:07,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:07,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:07,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:07,668 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:07,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-02 21:48:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:13,044 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:13,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:13,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:13,410 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:13,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-02 21:48:13,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:13,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:13,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:13,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:13,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:13,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:13,472 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:13,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-02 21:48:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:18,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:18,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:18,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:18,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-02 21:48:18,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:18,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:18,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:18,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:18,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:18,774 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:18,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-02 21:48:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:24,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:24,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:24,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:24,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:24,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2023-12-02 21:48:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:24,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:24,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:24,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:24,667 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:24,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-02 21:48:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:29,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:30,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:30,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:30,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:30,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-02 21:48:30,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:30,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:30,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:30,297 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-02 21:48:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:35,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:35,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:35,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:35,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-02 21:48:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:35,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:35,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:35,442 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:35,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-02 21:48:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:40,792 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:41,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:41,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:41,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:41,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-02 21:48:41,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:41,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:41,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:41,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:41,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:41,194 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:41,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-02 21:48:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:46,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:47,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:47,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:47,158 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:47,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-02 21:48:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:47,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:47,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:47,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:47,224 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-02 21:48:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:52,244 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:52,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:52,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:52,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-02 21:48:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:52,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:52,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:52,662 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:52,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-02 21:48:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:58,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:48:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:58,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:48:58,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:48:58,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-02 21:48:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:58,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:48:58,664 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:48:58,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:58,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:58,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:48:58,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:48:58,665 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:48:58,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-02 21:49:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:04,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:04,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:04,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:04,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-02 21:49:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:04,690 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:04,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:04,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:04,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:04,692 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:04,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-02 21:49:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:10,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:10,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:10,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:10,797 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:10,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-02 21:49:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:10,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:10,864 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:10,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-02 21:49:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:16,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:16,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:16,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:16,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-02 21:49:16,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:16,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:16,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:16,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:16,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:16,641 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:16,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-02 21:49:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:22,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:22,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:22,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:22,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-02 21:49:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:22,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:22,758 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:22,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-02 21:49:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:28,484 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:28,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:28,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:28,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-02 21:49:28,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:28,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:28,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:28,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:28,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:28,903 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:28,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-02 21:49:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:34,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:34,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:34,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:34,900 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:34,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-02 21:49:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:34,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:34,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:34,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:34,969 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:34,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-02 21:49:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:40,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:41,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:41,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:41,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-02 21:49:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:41,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:41,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:41,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:41,128 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:41,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-02 21:49:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:46,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:46,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:46,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:46,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-02 21:49:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:46,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:46,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:46,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:46,996 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-02 21:49:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:53,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:53,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:53,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:53,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-02 21:49:53,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:53,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:53,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:53,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:53,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:53,580 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:53,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-02 21:49:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:59,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:49:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:59,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:59,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:59,569 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:49:59,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-02 21:49:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:49:59,640 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:49:59,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:49:59,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:59,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:49:59,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:49:59,641 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:49:59,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-02 21:50:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:05,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:50:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:05,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:05,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:50:06,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-02 21:50:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:50:06,043 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:50:06,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:50:06,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:06,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:06,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:50:06,044 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:50:06,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-02 21:50:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:12,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:50:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:12,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:12,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:50:12,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-02 21:50:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:50:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:50:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:50:12,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:12,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:12,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:50:12,553 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:50:12,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-02 21:50:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:18,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:50:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:18,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:50:18,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:50:18,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-02 21:50:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:18,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-02 21:50:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-02 21:50:18,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:50:18,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:50:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:50:18,995 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:50:18,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72738741-803a-4d61-9c2f-a21e00a31327/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-02 21:50:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:24,992 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported