./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/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_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/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_18dc62ad-c782-4587-a687-895580a53de1/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 ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:21:46,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:21:46,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:21:46,532 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:21:46,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:21:46,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:21:46,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:21:46,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:21:46,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:21:46,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:21:46,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:21:46,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:21:46,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:21:46,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:21:46,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:21:46,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:21:46,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:21:46,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:21:46,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:21:46,564 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:21:46,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:21:46,566 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:21:46,566 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:21:46,567 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:21:46,567 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:21:46,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:21:46,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:46,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:21:46,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:21:46,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:21:46,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:21:46,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:21:46,584 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:21:46,585 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_18dc62ad-c782-4587-a687-895580a53de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2023-12-03 00:21:46,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:21:46,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:21:46,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:21:46,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:21:46,820 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:21:46,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2023-12-03 00:21:49,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:21:49,833 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:21:49,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2023-12-03 00:21:49,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/b7f4476f9/eea6a0ccbfc24c6c8b02c3382a8dbf07/FLAG1c10ba27c [2023-12-03 00:21:49,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/b7f4476f9/eea6a0ccbfc24c6c8b02c3382a8dbf07 [2023-12-03 00:21:49,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:21:49,873 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:21:49,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:49,874 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:21:49,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:21:49,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:49" (1/1) ... [2023-12-03 00:21:49,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23652566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:49, skipping insertion in model container [2023-12-03 00:21:49,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:21:49" (1/1) ... [2023-12-03 00:21:49,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:21:50,500 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2023-12-03 00:21:50,512 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2023-12-03 00:21:50,614 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2023-12-03 00:21:50,615 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2023-12-03 00:21:50,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:50,636 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:21:50,675 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2023-12-03 00:21:50,678 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2023-12-03 00:21:50,741 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2023-12-03 00:21:50,742 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2023-12-03 00:21:50,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:21:50,794 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:21:50,800 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:21:50,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50 WrapperNode [2023-12-03 00:21:50,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:21:50,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:50,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:21:50,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:21:50,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:50,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:50,925 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1373 [2023-12-03 00:21:50,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:21:50,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:21:50,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:21:50,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:21:50,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:50,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:50,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:50,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,026 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:21:51,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:21:51,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:21:51,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:21:51,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:21:50" (1/1) ... [2023-12-03 00:21:51,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:21:51,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:21:51,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:21:51,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:21:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:21:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:21:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:21:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:21:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 00:21:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 00:21:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:21:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:21:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:21:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:21:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:21:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:21:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 00:21:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 00:21:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:21:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 00:21:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 00:21:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:21:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:21:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:21:51,362 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:21:51,364 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:21:52,596 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:21:53,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:21:53,740 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:21:53,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:53 BoogieIcfgContainer [2023-12-03 00:21:53,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:21:53,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:21:53,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:21:53,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:21:53,750 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:21:53" (1/1) ... [2023-12-03 00:21:53,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:21:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-12-03 00:21:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-03 00:21:53,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:21:53,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:53,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:53,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-12-03 00:21:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-12-03 00:21:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:21:53,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:53,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:54,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 152 states and 242 transitions. [2023-12-03 00:21:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 242 transitions. [2023-12-03 00:21:54,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:21:54,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:54,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:54,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:54,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:54,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 152 states and 233 transitions. [2023-12-03 00:21:54,353 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 233 transitions. [2023-12-03 00:21:54,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:21:54,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:54,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:54,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:21:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:21:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 152 states and 231 transitions. [2023-12-03 00:21:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 231 transitions. [2023-12-03 00:21:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:21:54,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:21:54,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:21:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:21:54,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:21:54,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:21:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:04,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:04,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:04,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2023-12-03 00:22:04,683 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2023-12-03 00:22:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:22:04,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:04,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:05,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 00:22:05,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 157 states and 240 transitions. [2023-12-03 00:22:05,474 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 240 transitions. [2023-12-03 00:22:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:22:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:05,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:22:05,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2023-12-03 00:22:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2023-12-03 00:22:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:22:05,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:05,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:06,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:22:06,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:16,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:26,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:36,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:46,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:22:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:22:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 170 states and 246 transitions. [2023-12-03 00:22:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 246 transitions. [2023-12-03 00:22:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:22:46,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:22:46,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:22:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:22:46,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:22:46,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:22:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:22:57,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:07,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:17,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:27,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:28,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:28,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2023-12-03 00:23:28,431 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2023-12-03 00:23:28,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 00:23:28,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:28,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:28,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:23:28,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:23:38,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:23:38,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 196 states and 291 transitions. [2023-12-03 00:23:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 291 transitions. [2023-12-03 00:23:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:23:38,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:23:38,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:23:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:23:39,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:23:39,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:23:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:23:49,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:23:59,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:09,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:19,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 199 states and 293 transitions. [2023-12-03 00:24:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 293 transitions. [2023-12-03 00:24:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:24:19,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:19,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:24:19,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:24:20,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 205 states and 305 transitions. [2023-12-03 00:24:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 305 transitions. [2023-12-03 00:24:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:24:20,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:20,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:20,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:24:20,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:24:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:24:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 203 states and 300 transitions. [2023-12-03 00:24:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 300 transitions. [2023-12-03 00:24:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 00:24:20,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:24:20,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:24:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:24:20,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 00:24:20,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:24:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:24:30,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:40,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:24:50,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:00,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 206 states and 302 transitions. [2023-12-03 00:25:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 302 transitions. [2023-12-03 00:25:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 00:25:00,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:00,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:01,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 00:25:01,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:25:01,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:01,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 219 states and 318 transitions. [2023-12-03 00:25:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 318 transitions. [2023-12-03 00:25:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 00:25:01,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:01,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:02,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:02,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:25:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 219 states and 316 transitions. [2023-12-03 00:25:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 316 transitions. [2023-12-03 00:25:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:25:02,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:02,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:02,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 00:25:02,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:02,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-03 00:25:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:25:02,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:02,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 221 states and 320 transitions. [2023-12-03 00:25:02,597 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 320 transitions. [2023-12-03 00:25:02,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 00:25:02,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:02,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:02,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:25:02,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:25:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 317 transitions. [2023-12-03 00:25:02,824 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 317 transitions. [2023-12-03 00:25:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 00:25:02,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:03,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 00:25:03,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-03 00:25:14,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:24,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:34,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:44,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:25:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:45,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 237 states and 348 transitions. [2023-12-03 00:25:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 348 transitions. [2023-12-03 00:25:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 00:25:45,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:45,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:45,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 00:25:45,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:46,332 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-03 00:25:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:48,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 243 states and 365 transitions. [2023-12-03 00:25:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 365 transitions. [2023-12-03 00:25:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 00:25:48,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:48,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:25:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:25:52,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 00:25:52,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:25:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 00:25:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:25:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 245 states and 369 transitions. [2023-12-03 00:25:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 369 transitions. [2023-12-03 00:25:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 00:25:53,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:25:53,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:26:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:26:04,265 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:26:04,268 INFO L158 Benchmark]: Toolchain (without parser) took 254395.40ms. Allocated memory was 148.9MB in the beginning and 239.1MB in the end (delta: 90.2MB). Free memory was 107.8MB in the beginning and 80.4MB in the end (delta: 27.4MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,268 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:26:04,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.64ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 64.0MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.29ms. Allocated memory is still 148.9MB. Free memory was 64.0MB in the beginning and 114.0MB in the end (delta: -50.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,269 INFO L158 Benchmark]: Boogie Preprocessor took 148.37ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 114.0MB in the beginning and 156.5MB in the end (delta: -42.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,270 INFO L158 Benchmark]: RCFGBuilder took 2666.25ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 156.5MB in the beginning and 103.8MB in the end (delta: 52.7MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,270 INFO L158 Benchmark]: CodeCheck took 250525.40ms. Allocated memory is still 239.1MB. Free memory was 103.8MB in the beginning and 80.4MB in the end (delta: 23.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-03 00:26:04,273 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 0.16ms. Allocated memory is still 148.9MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.64ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 64.0MB in the end (delta: 43.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.29ms. Allocated memory is still 148.9MB. Free memory was 64.0MB in the beginning and 114.0MB in the end (delta: -50.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.37ms. Allocated memory was 148.9MB in the beginning and 199.2MB in the end (delta: 50.3MB). Free memory was 114.0MB in the beginning and 156.5MB in the end (delta: -42.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2666.25ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 156.5MB in the beginning and 103.8MB in the end (delta: 52.7MB). Peak memory consumption was 107.1MB. Max. memory is 16.1GB. * CodeCheck took 250525.40ms. Allocated memory is still 239.1MB. Free memory was 103.8MB in the beginning and 80.4MB in the end (delta: 23.4MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:26:04,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/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_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/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_18dc62ad-c782-4587-a687-895580a53de1/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 ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:26:06,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:26:06,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 00:26:06,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:26:06,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:26:06,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:26:06,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:26:06,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:26:06,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:26:06,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:26:06,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:26:06,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:26:06,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:26:06,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:26:06,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:26:06,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:26:06,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:26:06,218 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:26:06,218 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:26:06,219 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:26:06,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:26:06,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:26:06,220 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:26:06,221 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:26:06,221 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:26:06,222 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:06,222 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:26:06,223 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:26:06,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:06,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:26:06,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:26:06,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:26:06,225 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:26:06,225 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:06,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:26:06,226 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:26:06,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:26:06,226 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_18dc62ad-c782-4587-a687-895580a53de1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2023-12-03 00:26:06,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:26:06,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:26:06,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:26:06,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:26:06,530 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:26:06,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2023-12-03 00:26:09,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:26:09,638 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:26:09,639 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2023-12-03 00:26:09,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/260af863f/55a0b0875d4a4d17b70a3af833066f72/FLAG447fedd63 [2023-12-03 00:26:09,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/data/260af863f/55a0b0875d4a4d17b70a3af833066f72 [2023-12-03 00:26:09,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:26:09,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:26:09,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:09,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:26:09,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:26:09,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:09" (1/1) ... [2023-12-03 00:26:09,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fe4b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:09, skipping insertion in model container [2023-12-03 00:26:09,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:09" (1/1) ... [2023-12-03 00:26:09,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:10,194 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2023-12-03 00:26:10,206 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2023-12-03 00:26:10,307 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2023-12-03 00:26:10,308 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2023-12-03 00:26:10,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:10,329 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:26:10,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:10,378 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2023-12-03 00:26:10,380 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2023-12-03 00:26:10,425 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2023-12-03 00:26:10,426 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2023-12-03 00:26:10,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:10,433 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:26:10,460 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2023-12-03 00:26:10,462 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2023-12-03 00:26:10,497 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2023-12-03 00:26:10,498 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_18dc62ad-c782-4587-a687-895580a53de1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2023-12-03 00:26:10,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:10,571 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:26:10,578 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:26:10,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10 WrapperNode [2023-12-03 00:26:10,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:10,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:10,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:26:10,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:26:10,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,680 INFO L138 Inliner]: procedures = 285, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1045 [2023-12-03 00:26:10,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:10,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:26:10,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:26:10,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:26:10,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:26:10,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:26:10,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:26:10,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:26:10,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:10" (1/1) ... [2023-12-03 00:26:10,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:10,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:26:10,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:26:10,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:26:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 00:26:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:26:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:26:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 00:26:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 00:26:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 00:26:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 00:26:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 00:26:10,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 00:26:10,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:26:10,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:26:11,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:26:11,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:26:18,200 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:26:18,568 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:26:18,569 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-03 00:26:18,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:26:18 BoogieIcfgContainer [2023-12-03 00:26:18,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:26:18,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:26:18,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:26:18,578 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:26:18,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:26:18" (1/1) ... [2023-12-03 00:26:18,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:26:18,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:18,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 150 states and 242 transitions. [2023-12-03 00:26:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 242 transitions. [2023-12-03 00:26:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:26:18,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:18,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:18,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:18,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:26:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:18,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:19,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:19,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:19,047 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:26:19,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:19,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 150 states and 239 transitions. [2023-12-03 00:26:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 239 transitions. [2023-12-03 00:26:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:26:19,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:19,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:19,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:19,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:19,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:26:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:19,395 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:19,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:19,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:19,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:19,563 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:26:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 157 states and 249 transitions. [2023-12-03 00:26:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 249 transitions. [2023-12-03 00:26:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:26:19,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:19,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:19,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:19,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:19,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:26:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:20,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:20,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:20,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:20,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 00:26:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:20,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 157 states and 246 transitions. [2023-12-03 00:26:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 246 transitions. [2023-12-03 00:26:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 00:26:20,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:20,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:20,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:20,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:26:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:20,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:20,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 00:26:20,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:20,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:26:20,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2023-12-03 00:26:20,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:26:20,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:26:20,656 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 00:26:20,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2023-12-03 00:26:20,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 00:26:20,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 1 [2023-12-03 00:26:20,801 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 00:26:20,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 00:26:20,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:20,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 00:26:21,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:21,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 159 states and 248 transitions. [2023-12-03 00:26:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 248 transitions. [2023-12-03 00:26:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 00:26:21,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:21,692 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:21,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:26:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:22,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:22,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 00:26:22,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 159 states and 240 transitions. [2023-12-03 00:26:22,161 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 240 transitions. [2023-12-03 00:26:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 00:26:22,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:22,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:22,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:22,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:26:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:22,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:22,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 159 states and 238 transitions. [2023-12-03 00:26:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2023-12-03 00:26:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 00:26:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:22,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:22,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:22,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:26:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:22,890 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:23,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:23,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:23,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:23,056 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 00:26:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:23,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2023-12-03 00:26:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2023-12-03 00:26:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:26:23,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:23,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:23,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:23,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:23,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:26:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:23,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:23,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:26:23,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:24,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:26:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 178 states and 266 transitions. [2023-12-03 00:26:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2023-12-03 00:26:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 00:26:27,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:27,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:27,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:27,120 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:27,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:26:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:27,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:27,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:27,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:27,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:27,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:26:27,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 178 states and 264 transitions. [2023-12-03 00:26:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 264 transitions. [2023-12-03 00:26:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 00:26:27,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:27,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:27,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:27,647 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:27,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:26:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:28,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:28,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 00:26:28,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:28,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:26:28,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:28,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 181 states and 266 transitions. [2023-12-03 00:26:28,306 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 266 transitions. [2023-12-03 00:26:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 00:26:28,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:28,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:28,309 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:26:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:28,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:28,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:28,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:28,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:26:30,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:26:30,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 181 states and 256 transitions. [2023-12-03 00:26:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 256 transitions. [2023-12-03 00:26:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 00:26:30,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:30,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:30,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:30,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:26:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:30,744 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:30,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:30,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:31,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:26:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 192 states and 268 transitions. [2023-12-03 00:26:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2023-12-03 00:26:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 00:26:31,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:31,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:31,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:31,625 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:31,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:26:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:32,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:32,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 00:26:32,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 00:26:32,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 195 states and 270 transitions. [2023-12-03 00:26:32,538 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 270 transitions. [2023-12-03 00:26:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 00:26:32,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:32,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:32,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:32,540 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:32,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:26:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:33,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:33,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:33,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:26:33,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 00:26:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 211 states and 301 transitions. [2023-12-03 00:26:34,939 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 301 transitions. [2023-12-03 00:26:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 00:26:34,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:34,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:34,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:34,941 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:34,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:26:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:35,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:35,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 00:26:35,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:35,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 00:26:35,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:26:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 209 states and 296 transitions. [2023-12-03 00:26:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 296 transitions. [2023-12-03 00:26:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:35,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:35,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:35,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:35,744 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:35,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:26:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:36,516 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:36,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:36,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:37,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:26:38,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:38,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:38,200 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:38,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:38,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:38,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:38,202 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:38,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:26:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:38,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:39,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:39,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:39,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:26:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:39,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:39,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:39,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:39,563 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:26:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:40,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:40,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:40,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:40,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:26:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:40,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:40,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:40,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:40,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:40,648 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:40,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:26:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:41,392 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:41,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:41,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:41,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:26:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:41,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:41,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:41,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:41,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:41,737 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:41,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:26:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:42,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:42,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:42,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:42,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:42,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:26:42,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:42,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:42,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:42,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:42,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:42,926 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:42,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:26:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:43,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:44,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:44,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:44,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:26:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:44,132 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:44,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:44,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:44,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:44,133 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:44,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:26:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:45,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:45,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:45,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:45,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:26:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:45,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:45,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:45,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:45,442 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:45,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:26:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:46,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:46,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:46,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:46,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:26:46,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:46,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:46,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:46,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:46,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:46,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:46,747 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:46,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:26:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:47,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:48,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:48,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:48,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:26:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:48,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:48,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:48,116 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:48,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:26:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:49,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:49,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:49,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:49,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:26:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:49,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:49,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:49,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:49,388 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:49,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:26:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:50,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:50,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:50,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:50,717 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:50,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:26:50,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:50,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:50,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:50,754 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:50,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:26:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:51,848 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:52,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:52,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:52,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 00:26:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:52,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:52,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:52,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:52,247 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:26:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:53,248 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:53,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:53,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:53,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:26:53,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:53,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:53,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:53,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:53,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:53,602 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:53,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 00:26:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:54,868 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:55,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:55,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:55,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 00:26:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:55,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:55,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:55,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:55,220 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:55,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 00:26:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:56,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:56,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:56,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 00:26:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:56,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:56,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:56,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:56,797 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:56,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 00:26:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:58,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:58,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:58,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 00:26:58,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:58,357 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:58,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:58,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:58,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:58,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:58,358 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:58,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 00:26:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:59,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:26:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:26:59,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:26:59,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:26:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:26:59,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 00:26:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:26:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:26:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:26:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:26:59,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:26:59,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:26:59,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:26:59,954 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:26:59,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 00:27:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:01,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:01,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:01,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:01,689 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:01,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 00:27:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:01,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:01,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:01,720 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:01,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 00:27:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:02,998 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:03,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:03,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:03,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 00:27:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:03,331 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:03,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:03,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:03,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:03,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:03,333 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:03,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 00:27:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:04,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:05,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:05,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:05,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 00:27:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:05,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:05,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:05,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:05,140 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:05,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 00:27:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:06,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:06,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:06,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:06,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 00:27:07,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:07,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:07,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:07,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:07,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:07,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:07,004 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 00:27:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:08,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:08,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:08,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:08,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 00:27:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:08,978 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:08,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:08,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:08,979 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:08,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 00:27:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:10,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:10,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:10,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:10,867 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:10,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 00:27:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:10,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:10,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:10,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:10,902 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:10,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 00:27:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:12,371 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:12,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:12,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:12,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2023-12-03 00:27:12,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:12,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:12,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:12,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:12,750 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:12,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 00:27:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:14,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:14,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:14,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:14,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 00:27:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:14,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:14,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:14,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:14,685 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:14,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 00:27:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:16,300 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:16,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:16,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:16,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 00:27:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:16,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:16,654 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 00:27:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:18,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:18,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:18,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 00:27:18,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:18,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:18,747 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:18,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:18,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:18,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:18,748 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:18,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 00:27:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:20,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:21,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:21,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:21,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 00:27:21,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:21,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:21,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:21,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:21,070 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:21,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 00:27:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:22,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:23,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:23,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:23,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 00:27:23,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:23,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:23,293 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:23,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:23,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:23,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:23,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:23,294 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:23,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 00:27:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:25,221 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:25,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:25,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:25,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 00:27:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:25,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:25,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:25,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:25,574 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:25,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 00:27:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:27,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:27,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:27,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:27,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2023-12-03 00:27:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:27,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:27,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:27,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:27,734 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:27,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 00:27:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:29,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:29,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:29,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:29,853 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:29,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 00:27:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:29,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:29,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:29,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:29,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:29,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:29,894 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:29,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 00:27:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:31,951 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:32,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:32,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:32,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 00:27:32,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:32,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:32,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:32,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:32,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:32,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:32,339 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:32,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 00:27:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:34,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:34,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:34,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:34,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 00:27:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:34,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:34,803 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:34,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 00:27:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:36,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:37,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:37,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:37,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 00:27:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:37,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:37,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:37,218 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:37,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 00:27:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:39,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:39,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:39,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:39,581 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:39,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 00:27:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:39,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:39,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:39,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:39,628 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:39,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 00:27:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:41,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:42,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:42,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:42,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 00:27:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:42,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:42,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:42,204 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:42,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 00:27:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:44,405 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:44,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:44,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:44,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 00:27:44,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:44,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:44,848 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:44,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:44,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:44,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:44,850 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 00:27:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:47,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:47,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:47,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:47,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 00:27:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:47,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:47,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:47,612 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:47,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 00:27:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:50,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:50,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:50,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:50,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 00:27:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:50,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:50,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:50,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:50,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:50,412 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:50,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 00:27:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:52,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:52,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:52,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:52,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 00:27:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:52,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:52,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:52,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:52,956 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:52,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 00:27:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:55,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:55,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:55,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:55,714 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:55,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 00:27:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:55,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:55,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:55,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:55,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:55,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:55,745 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:55,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 00:27:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:58,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:27:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:27:58,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:27:58,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:27:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:27:58,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 00:27:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:27:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:27:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:27:58,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:27:58,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:27:58,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:27:58,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:27:58,566 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:27:58,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 00:28:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:00,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:01,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:01,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:01,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 00:28:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:01,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:01,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:01,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:01,340 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 00:28:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:03,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:04,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:04,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:04,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 00:28:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:04,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:04,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:04,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:04,280 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:04,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 00:28:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:06,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:07,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:07,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:07,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:07,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:07,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:07,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:07,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:07,227 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:07,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 00:28:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:09,736 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:10,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:10,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:10,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 00:28:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:10,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:10,115 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:10,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 00:28:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:12,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:13,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:13,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:13,156 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:13,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 00:28:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:13,188 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:13,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:13,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:13,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:13,189 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:13,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 00:28:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:15,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:16,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:16,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:16,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 00:28:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:16,266 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:16,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:16,267 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:16,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 00:28:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:18,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:19,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:19,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:19,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 00:28:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:19,307 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:19,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:19,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:19,309 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:19,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 00:28:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:21,988 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:22,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:22,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:22,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2023-12-03 00:28:22,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:22,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:22,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:22,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:22,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:22,356 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:22,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 00:28:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:25,090 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:25,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:25,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:25,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 00:28:25,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:25,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:25,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:25,494 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 00:28:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:28,362 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:28,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:28,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:28,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 00:28:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:28,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:28,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:28,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:28,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:28,721 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:28,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 00:28:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:31,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:32,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:32,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:32,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 00:28:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:32,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:32,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:32,123 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 00:28:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:35,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:35,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:35,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:35,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 00:28:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:35,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:35,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:35,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:35,489 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:35,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 00:28:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:38,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:38,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:38,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:38,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 00:28:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:38,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:38,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:38,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:38,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:38,893 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:38,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 00:28:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:41,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:42,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:42,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:42,173 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:42,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 00:28:42,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:42,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:42,208 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:42,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:42,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:42,209 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:42,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 00:28:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:45,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:45,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:45,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:45,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 00:28:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:45,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:45,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:45,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:45,740 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:45,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 00:28:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:48,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:48,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:48,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:49,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 00:28:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:49,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:49,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:49,040 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 00:28:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:51,993 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:52,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:52,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:52,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 00:28:52,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:52,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:52,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:52,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:52,366 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:52,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 00:28:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:55,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:55,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:55,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:55,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 00:28:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:55,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:55,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:55,778 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:55,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 00:28:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:58,885 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:28:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:28:59,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:28:59,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:28:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:28:59,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 00:28:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:28:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:28:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:28:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:28:59,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:28:59,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:28:59,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:28:59,296 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:28:59,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 00:29:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:02,367 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:02,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:02,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:02,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 00:29:02,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:02,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:02,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:02,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:02,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:02,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:02,705 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:02,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 00:29:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:05,823 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:06,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:06,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:06,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:06,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 00:29:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:06,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:06,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:06,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:06,187 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 00:29:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:09,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:09,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:09,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:09,747 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:09,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2023-12-03 00:29:09,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:09,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:09,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:09,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:09,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:09,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:09,786 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:09,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 00:29:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:12,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:13,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:13,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:13,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 00:29:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:13,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:13,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:13,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:13,263 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:13,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 00:29:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:16,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:17,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:17,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:17,027 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:17,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 00:29:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:17,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:17,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:17,067 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:17,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 00:29:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:20,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:20,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:20,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:20,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 00:29:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:20,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:20,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:20,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:20,938 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 00:29:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:24,352 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:24,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:24,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:24,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 00:29:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:24,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:24,713 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:24,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:24,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:24,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:24,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:24,714 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:24,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 00:29:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:28,235 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:28,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:28,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:28,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 00:29:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:28,576 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:28,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:28,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:28,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:28,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:28,578 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:28,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 00:29:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:32,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:32,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:32,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:32,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 00:29:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:32,431 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:32,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:32,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:32,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:32,432 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:32,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 00:29:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:36,190 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:36,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:36,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:36,530 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:36,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 00:29:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:36,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:36,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:36,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:36,571 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:36,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 00:29:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:40,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:40,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:40,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:40,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 00:29:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:40,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:40,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:40,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:40,532 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:40,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 00:29:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:44,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:44,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:44,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:44,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 00:29:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:44,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:44,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:44,518 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:44,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 00:29:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:47,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:48,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:48,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:48,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 00:29:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:48,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:48,286 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:48,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:48,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:48,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:48,287 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:48,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 00:29:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:51,952 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:52,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:52,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:52,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 00:29:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:52,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:52,357 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:52,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:52,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:52,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:52,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:52,358 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:52,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 00:29:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:56,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:29:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:56,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:29:56,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:29:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:29:56,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 00:29:56,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:29:56,686 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:29:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:29:56,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:56,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:56,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:29:56,687 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:29:56,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 00:30:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:00,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:00,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:00,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:00,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:00,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 00:30:00,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:00,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:00,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:00,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:00,843 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:00,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 00:30:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:04,586 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:04,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:04,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:04,914 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:04,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 00:30:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:04,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:04,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:04,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:04,958 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:04,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 00:30:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:08,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:09,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:09,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:09,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 00:30:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:09,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:09,149 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:09,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:09,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:09,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:09,150 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 00:30:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:13,106 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:13,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:13,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:13,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 00:30:13,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:13,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:13,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:13,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:13,465 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:13,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 00:30:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:17,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:17,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:17,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:17,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-03 00:30:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:17,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:17,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:17,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:17,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:17,838 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:17,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 00:30:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:21,735 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:22,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:22,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:22,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 00:30:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:22,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:22,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:22,120 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:22,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 00:30:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:26,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:26,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:26,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:26,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 00:30:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:26,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:26,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:26,518 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:26,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 00:30:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:30,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:30,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:30,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:30,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2023-12-03 00:30:30,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:30,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:30,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:30,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:30,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:30,788 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 00:30:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:34,830 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:35,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:35,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:35,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 00:30:35,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:35,290 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:35,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:35,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:35,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:35,291 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:35,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 00:30:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:39,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:39,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:39,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:39,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2023-12-03 00:30:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:39,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:39,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:39,759 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:39,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 00:30:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:44,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:44,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:44,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:44,520 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:44,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 00:30:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:44,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:44,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:44,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:44,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:44,568 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:44,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 00:30:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:48,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:49,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:49,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:49,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 00:30:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:49,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:49,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:49,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:49,298 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:49,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 00:30:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:53,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:53,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:53,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:53,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 00:30:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:53,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:53,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:53,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:53,775 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:53,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 00:30:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:58,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:30:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:58,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:30:58,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:30:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:30:58,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 00:30:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:30:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:30:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:30:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:30:58,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:30:58,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:30:58,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:30:58,516 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:30:58,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 00:31:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:02,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:02,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:02,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:02,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 00:31:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:02,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:02,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:02,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:02,976 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:02,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 00:31:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:07,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:07,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:07,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:07,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:07,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 00:31:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:07,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:07,886 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 00:31:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:11,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:12,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:12,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:12,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 00:31:12,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:12,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:12,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:12,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:12,299 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:12,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 00:31:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:16,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:17,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:17,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:17,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2023-12-03 00:31:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:17,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:17,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:17,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:17,129 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:17,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 00:31:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:21,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:21,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:21,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:21,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 00:31:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:21,489 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:21,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:21,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:21,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:21,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:21,490 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:21,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 00:31:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:25,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:26,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:26,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:26,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 00:31:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:26,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:26,351 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:26,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:26,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:26,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:26,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:26,352 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:26,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 00:31:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:30,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:31,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:31,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:31,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:31,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 00:31:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:31,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:31,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:31,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:31,162 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:31,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 00:31:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:35,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:36,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:36,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:36,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 00:31:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:36,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:36,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:36,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:36,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:36,261 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:36,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 00:31:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:41,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:41,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:41,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:41,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:41,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 00:31:41,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:41,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:41,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:41,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:41,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:41,531 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:41,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 00:31:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:45,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:46,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:46,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:46,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 00:31:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:46,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:46,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:46,228 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:46,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 00:31:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:50,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:51,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:51,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:51,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 00:31:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:51,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:51,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:51,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:51,214 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 00:31:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:55,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:55,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:31:55,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:55,580 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:31:55,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 00:31:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:55,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:31:55,631 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:31:55,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:31:55,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:55,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:55,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:55,632 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 00:32:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:00,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:00,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:00,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:00,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 00:32:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:00,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:00,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:00,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:00,910 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:00,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 00:32:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:05,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:06,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:06,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:06,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 00:32:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:06,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:06,247 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:06,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:06,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:06,248 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:06,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 00:32:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:11,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:11,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:11,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:11,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 00:32:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:11,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:11,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:11,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:11,710 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 00:32:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:16,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:17,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:17,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:17,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:17,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:17,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:17,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:17,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:17,252 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:17,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 00:32:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:22,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:22,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:22,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:22,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 00:32:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:22,557 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:22,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:22,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:22,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:22,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:22,558 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:22,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 00:32:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:27,571 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:27,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:27,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:27,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 00:32:27,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:27,936 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:27,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:27,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:27,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:27,937 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:27,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 00:32:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:33,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:33,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:33,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:33,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 00:32:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:33,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:33,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:33,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:33,533 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:33,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 00:32:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:38,999 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:39,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:39,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:39,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 00:32:39,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:39,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:39,382 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:39,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:39,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:39,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:39,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:39,383 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:39,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 00:32:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:44,394 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:44,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:44,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:44,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 00:32:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:44,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:44,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:44,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:44,749 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:44,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 00:32:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:50,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:50,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:50,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:50,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:50,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:50,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:50,476 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:50,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:50,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:50,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:50,477 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:50,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 00:32:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:54,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:55,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:32:55,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:32:55,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 00:32:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:55,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:32:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:32:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:32:55,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:55,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:55,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:55,226 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:55,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 00:33:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:00,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:00,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:00,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:00,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 00:33:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:00,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:00,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:00,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:00,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:00,683 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:00,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 00:33:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:05,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:06,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:06,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:06,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:06,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 00:33:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:06,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:06,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:06,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:06,102 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:06,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 00:33:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:11,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:11,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:11,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:11,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 00:33:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:11,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:11,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:11,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:11,876 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:11,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 00:33:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:16,919 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:17,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:17,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:17,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:17,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:17,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:17,330 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:17,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 00:33:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:22,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:23,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:23,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:23,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 00:33:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:23,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:23,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:23,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:23,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:23,235 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:23,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 00:33:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:28,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:28,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:28,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:28,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:28,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 00:33:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:28,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:28,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:28,940 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:28,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 00:33:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:34,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:34,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:34,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:34,847 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:34,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 00:33:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:34,905 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:34,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:34,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:34,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:34,907 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:34,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 00:33:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:40,459 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:40,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:40,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:40,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 00:33:40,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:40,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:40,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:40,813 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 00:33:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:45,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:46,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:46,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:46,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:46,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:46,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:46,274 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:46,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 00:33:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:52,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:52,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:52,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:52,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 00:33:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:52,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:52,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:52,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:52,661 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:52,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 00:33:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:58,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:58,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:33:58,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:33:59,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 00:33:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:33:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:33:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:33:59,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:59,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:59,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:59,040 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:59,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 00:34:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:04,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:05,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:05,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:05,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 00:34:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:05,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:05,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:05,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:05,268 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:05,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 00:34:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:10,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:11,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 00:34:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:11,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:11,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:11,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:11,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:11,364 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:11,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 00:34:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:16,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:16,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:16,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:16,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 00:34:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:16,895 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:16,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:16,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:16,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:16,896 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:16,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 00:34:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:22,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:23,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:23,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:23,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 00:34:23,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:23,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:23,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:23,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:23,118 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:23,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 00:34:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:29,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:29,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:29,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:29,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 00:34:29,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:29,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:29,482 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:29,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:29,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:29,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:29,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:29,483 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:29,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 00:34:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:35,315 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:35,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:35,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:35,677 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:35,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 00:34:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:35,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:35,741 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:35,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:35,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:35,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:35,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:35,742 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:35,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 00:34:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:41,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:42,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:42,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:42,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 00:34:42,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:42,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:42,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:42,141 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 00:34:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:48,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:48,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:48,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:48,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 00:34:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:48,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:48,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:48,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:48,621 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:48,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 00:34:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:34:54,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:54,664 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:34:54,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 00:34:54,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:54,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:34:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:34:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:34:54,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:54,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:54,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:54,726 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 00:35:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:00,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:01,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:35:01,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:35:01,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 00:35:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:35:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:35:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:35:01,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:01,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:01,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:01,159 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:01,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 00:35:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:07,217 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:07,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:35:07,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:35:07,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 00:35:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:35:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:35:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:35:07,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:07,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:07,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:07,603 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:07,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 00:35:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:13,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:14,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:35:14,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:14,034 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:35:14,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 00:35:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:35:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:35:14,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:35:14,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:14,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:14,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:14,101 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:14,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 00:35:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:20,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:20,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 00:35:20,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:20,846 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 00:35:20,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 00:35:20,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 211 states and 300 transitions. [2023-12-03 00:35:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 00:35:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 00:35:20,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:20,912 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:20,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18dc62ad-c782-4587-a687-895580a53de1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process