./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:07:34,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:07:34,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:07:34,806 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:07:34,807 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:07:34,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:07:34,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:07:34,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:07:34,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:07:34,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:07:34,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:07:34,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:07:34,833 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:07:34,833 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:07:34,834 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:07:34,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:07:34,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:07:34,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:07:34,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:07:34,837 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:07:34,837 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:07:34,838 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:07:34,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:07:34,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:07:34,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:07:34,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:07:34,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:34,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:07:34,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:07:34,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:07:34,842 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:07:34,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:07:34,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:07:34,843 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-12-03 01:07:35,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:07:35,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:07:35,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:07:35,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:07:35,084 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:07:35,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 01:07:37,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:07:38,093 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:07:38,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 01:07:38,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/fed95f6f9/68a1f8c18ebe4678a0e5e785ccc08563/FLAG11394f663 [2023-12-03 01:07:38,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/fed95f6f9/68a1f8c18ebe4678a0e5e785ccc08563 [2023-12-03 01:07:38,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:07:38,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:07:38,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:38,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:07:38,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:07:38,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:38,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca5d888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38, skipping insertion in model container [2023-12-03 01:07:38,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:38,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:07:38,635 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-12-03 01:07:38,647 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-12-03 01:07:38,730 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-12-03 01:07:38,731 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-12-03 01:07:38,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:38,762 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:07:38,820 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-12-03 01:07:38,823 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-12-03 01:07:38,875 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-12-03 01:07:38,876 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-12-03 01:07:38,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:38,941 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:07:38,949 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:07:38,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38 WrapperNode [2023-12-03 01:07:38,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:38,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:38,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:07:38,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:07:38,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:38,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,068 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1542 [2023-12-03 01:07:39,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:39,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:07:39,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:07:39,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:07:39,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,181 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,190 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:07:39,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:07:39,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:07:39,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:07:39,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:38" (1/1) ... [2023-12-03 01:07:39,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:39,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:07:39,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:07:39,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:07:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:07:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:07:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:07:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:07:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 01:07:39,277 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 01:07:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:07:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:07:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:07:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:07:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:07:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:07:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 01:07:39,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 01:07:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:07:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 01:07:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 01:07:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:07:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:07:39,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:07:39,528 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:07:39,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:07:40,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:07:42,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:07:42,250 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:07:42,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:42 BoogieIcfgContainer [2023-12-03 01:07:42,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:07:42,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:07:42,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:07:42,264 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:07:42,264 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:42" (1/1) ... [2023-12-03 01:07:42,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:07:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:42,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-12-03 01:07:42,338 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-12-03 01:07:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:07:42,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:42,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:42,520 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 01:07:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 169 states and 271 transitions. [2023-12-03 01:07:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 271 transitions. [2023-12-03 01:07:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:07:42,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:42,708 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 01:07:42,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 171 states and 274 transitions. [2023-12-03 01:07:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 274 transitions. [2023-12-03 01:07:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:07:42,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:42,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:42,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:42,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:42,904 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 01:07:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 171 states and 265 transitions. [2023-12-03 01:07:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 265 transitions. [2023-12-03 01:07:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:07:42,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:42,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:43,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:43,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:43,040 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 01:07:43,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 171 states and 263 transitions. [2023-12-03 01:07:43,047 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 263 transitions. [2023-12-03 01:07:43,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:07:43,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:43,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:43,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:43,233 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 01:07:53,258 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 01:07:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 171 states and 261 transitions. [2023-12-03 01:07:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 261 transitions. [2023-12-03 01:07:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:07:53,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:53,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:54,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 01:07:54,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:54,487 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 01:07:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 176 states and 272 transitions. [2023-12-03 01:07:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 272 transitions. [2023-12-03 01:07:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:07:54,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:54,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:07:54,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:54,827 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 01:07:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 176 states and 262 transitions. [2023-12-03 01:07:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 262 transitions. [2023-12-03 01:07:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:07:54,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:55,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:07:55,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:55,237 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 01:08:05,581 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 01:08:15,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:25,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:35,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:08:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:08:35,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 189 states and 278 transitions. [2023-12-03 01:08:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 278 transitions. [2023-12-03 01:08:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:08:35,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:08:35,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:08:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:08:35,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:08:35,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:08:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:08:46,664 WARN L539 Checker$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 01:08:56,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:06,722 WARN L539 Checker$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 01:09:16,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:17,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:17,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 215 states and 325 transitions. [2023-12-03 01:09:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 325 transitions. [2023-12-03 01:09:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:09:17,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:17,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:17,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:09:17,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:27,791 WARN L539 Checker$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 01:09:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 215 states and 323 transitions. [2023-12-03 01:09:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2023-12-03 01:09:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:09:27,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:28,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:09:28,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:09:28,142 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 01:09:38,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:09:48,191 WARN L539 Checker$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 01:09:58,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:10:08,254 WARN L539 Checker$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 01:10:08,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:08,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 218 states and 325 transitions. [2023-12-03 01:10:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 325 transitions. [2023-12-03 01:10:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:10:08,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:08,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:10:08,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:08,525 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 01:10:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 224 states and 337 transitions. [2023-12-03 01:10:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 337 transitions. [2023-12-03 01:10:09,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:10:09,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:09,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:09,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:09,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:09,402 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 01:10:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 222 states and 332 transitions. [2023-12-03 01:10:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2023-12-03 01:10:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-03 01:10:09,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:09,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-03 01:10:09,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:09,708 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 01:10:19,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:10:29,765 WARN L539 Checker$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 01:10:39,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:10:49,871 WARN L539 Checker$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 01:10:49,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 225 states and 334 transitions. [2023-12-03 01:10:49,927 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 334 transitions. [2023-12-03 01:10:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 01:10:49,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:49,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:50,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:10:50,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:50,331 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 01:10:50,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:50,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 238 states and 350 transitions. [2023-12-03 01:10:50,941 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 350 transitions. [2023-12-03 01:10:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-03 01:10:50,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:51,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:51,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:51,220 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 01:10:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:51,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 238 states and 348 transitions. [2023-12-03 01:10:51,244 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 348 transitions. [2023-12-03 01:10:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:10:51,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:51,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:51,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:10:51,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:51,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:10:51,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:10:51,665 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 01:10:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 240 states and 351 transitions. [2023-12-03 01:10:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 351 transitions. [2023-12-03 01:10:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 01:10:51,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:51,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:52,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:10:52,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:52,017 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 01:10:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:10:52,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 240 states and 348 transitions. [2023-12-03 01:10:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 348 transitions. [2023-12-03 01:10:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-03 01:10:52,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:10:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:10:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:10:52,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 01:10:52,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:10:52,524 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 01:11:03,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:11:13,401 WARN L539 Checker$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 01:11:23,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:11:35,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:11:36,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 256 states and 379 transitions. [2023-12-03 01:11:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 379 transitions. [2023-12-03 01:11:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-03 01:11:36,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:36,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:36,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 01:11:36,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:37,119 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 01:11:39,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 262 states and 396 transitions. [2023-12-03 01:11:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 396 transitions. [2023-12-03 01:11:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-03 01:11:39,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:39,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:11:45,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 01:11:45,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:11:46,074 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 01:11:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:11:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 264 states and 400 transitions. [2023-12-03 01:11:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 400 transitions. [2023-12-03 01:11:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-03 01:11:47,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:11:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:11:57,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:11:57,903 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 01:11:57,907 INFO L158 Benchmark]: Toolchain (without parser) took 259777.58ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 80.9MB in the beginning and 124.3MB in the end (delta: -43.4MB). Peak memory consumption was 76.5MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,907 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 93.9MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:11:57,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.20ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 65.5MB in the end (delta: 15.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.63ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 55.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,909 INFO L158 Benchmark]: Boogie Preprocessor took 142.07ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 72.9MB in the end (delta: -17.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,910 INFO L158 Benchmark]: RCFGBuilder took 3039.96ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 72.9MB in the beginning and 167.0MB in the end (delta: -94.1MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,910 INFO L158 Benchmark]: CodeCheck took 255652.77ms. Allocated memory is still 237.0MB. Free memory was 167.0MB in the beginning and 124.3MB in the end (delta: 42.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-12-03 01:11:57,913 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 93.9MB in the end (delta: 76.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.20ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 65.5MB in the end (delta: 15.3MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.63ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 55.4MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 142.07ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 72.9MB in the end (delta: -17.6MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3039.96ms. Allocated memory was 117.4MB in the beginning and 237.0MB in the end (delta: 119.5MB). Free memory was 72.9MB in the beginning and 167.0MB in the end (delta: -94.1MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. * CodeCheck took 255652.77ms. Allocated memory is still 237.0MB. Free memory was 167.0MB in the beginning and 124.3MB in the end (delta: 42.7MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:11:58,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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 e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:11:59,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:11:59,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:11:59,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:11:59,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:11:59,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:11:59,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:11:59,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:11:59,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:11:59,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:11:59,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:11:59,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:11:59,857 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:11:59,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:11:59,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:11:59,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:11:59,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:11:59,860 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:11:59,861 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:11:59,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:11:59,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:11:59,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:11:59,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:11:59,863 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:11:59,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:11:59,864 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:59,865 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:11:59,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:11:59,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:11:59,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:11:59,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:11:59,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:11:59,868 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:11:59,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:11:59,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:11:59,869 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:11:59,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:11:59,869 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2023-12-03 01:12:00,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:12:00,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:12:00,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:12:00,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:12:00,175 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:12:00,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 01:12:02,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:12:03,272 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:12:03,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2023-12-03 01:12:03,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/4919d332f/d7c90b65cd5442058d0f67830bfe11d1/FLAG80833e920 [2023-12-03 01:12:03,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/data/4919d332f/d7c90b65cd5442058d0f67830bfe11d1 [2023-12-03 01:12:03,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:12:03,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:12:03,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:03,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:12:03,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:12:03,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:03" (1/1) ... [2023-12-03 01:12:03,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b31dcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:03, skipping insertion in model container [2023-12-03 01:12:03,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:12:03" (1/1) ... [2023-12-03 01:12:03,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:12:03,935 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-12-03 01:12:03,948 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-12-03 01:12:04,046 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-12-03 01:12:04,047 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-12-03 01:12:04,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:04,082 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:12:04,103 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:12:04,131 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-12-03 01:12:04,134 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-12-03 01:12:04,219 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-12-03 01:12:04,219 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-12-03 01:12:04,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:04,232 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:12:04,259 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2023-12-03 01:12:04,261 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2023-12-03 01:12:04,298 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2023-12-03 01:12:04,299 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_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2023-12-03 01:12:04,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:12:04,350 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:12:04,356 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:12:04,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04 WrapperNode [2023-12-03 01:12:04,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:12:04,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:04,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:12:04,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:12:04,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,403 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,467 INFO L138 Inliner]: procedures = 285, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1207 [2023-12-03 01:12:04,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:12:04,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:12:04,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:12:04,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:12:04,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:12:04,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:12:04,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:12:04,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:12:04,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:12:04" (1/1) ... [2023-12-03 01:12:04,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:12:04,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:12:04,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:12:04,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:12:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:12:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:12:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2023-12-03 01:12:04,675 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2023-12-03 01:12:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:12:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:12:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:12:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:12:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2023-12-03 01:12:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2023-12-03 01:12:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:12:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2023-12-03 01:12:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2023-12-03 01:12:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:12:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:12:04,899 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:12:04,902 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:12:11,518 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:12:11,983 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:12:11,983 INFO L309 CfgBuilder]: Removed 72 assume(true) statements. [2023-12-03 01:12:11,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:11 BoogieIcfgContainer [2023-12-03 01:12:11,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:12:11,986 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:12:11,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:12:11,993 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:12:11,993 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:12:11" (1/1) ... [2023-12-03 01:12:12,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:12:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2023-12-03 01:12:12,055 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2023-12-03 01:12:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:12:12,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:12,060 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:12,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:12:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:12,413 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:12,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:12,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:12,513 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 01:12:12,516 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:12:12,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:12:12,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:12,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 169 states and 271 transitions. [2023-12-03 01:12:12,555 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 271 transitions. [2023-12-03 01:12:12,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:12:12,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:12,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:12,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:12,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:12,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:12:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:12,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:12,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:12,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:13,057 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 01:12:13,061 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:12:13,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:12:13,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 176 states and 281 transitions. [2023-12-03 01:12:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 281 transitions. [2023-12-03 01:12:13,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:12:13,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:13,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:13,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:13,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:13,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:12:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:13,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:13,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:13,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:13,703 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 01:12:13,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:12:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 176 states and 278 transitions. [2023-12-03 01:12:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 278 transitions. [2023-12-03 01:12:13,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:12:13,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:13,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:13,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:13,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:13,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:12:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:14,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:14,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:12:14,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:14,316 INFO L349 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2023-12-03 01:12:14,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 102 [2023-12-03 01:12:14,335 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,340 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,341 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2023-12-03 01:12:14,389 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,390 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,391 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:12:14,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 39 [2023-12-03 01:12:14,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2023-12-03 01:12:14,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 17 [2023-12-03 01:12:14,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:12:14,705 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 01:12:14,733 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 01:12:14,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 01:12:14,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:12:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 178 states and 280 transitions. [2023-12-03 01:12:15,677 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 280 transitions. [2023-12-03 01:12:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:12:15,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:15,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:15,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:15,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:15,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:12:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:15,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:16,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:16,138 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 01:12:16,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:12:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 178 states and 272 transitions. [2023-12-03 01:12:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 272 transitions. [2023-12-03 01:12:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:12:16,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:16,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:16,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:16,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:12:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,514 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:16,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:16,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:16,661 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 01:12:16,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:12:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 178 states and 270 transitions. [2023-12-03 01:12:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 270 transitions. [2023-12-03 01:12:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:12:16,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:16,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:16,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:16,673 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:16,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:12:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:17,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:17,225 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 01:12:17,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:12:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 178 states and 268 transitions. [2023-12-03 01:12:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 268 transitions. [2023-12-03 01:12:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:12:17,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:17,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:17,269 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:12:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:17,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:12:17,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:18,287 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 01:12:18,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:12:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 197 states and 298 transitions. [2023-12-03 01:12:20,863 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 298 transitions. [2023-12-03 01:12:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:12:20,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:20,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:20,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:20,865 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:20,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:12:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:21,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:21,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:21,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:21,445 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 01:12:21,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:12:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2023-12-03 01:12:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2023-12-03 01:12:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:12:21,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:21,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:21,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:21,463 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:21,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:12:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:21,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:12:22,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:22,127 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 01:12:22,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:12:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 200 states and 298 transitions. [2023-12-03 01:12:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 298 transitions. [2023-12-03 01:12:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:12:22,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:22,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:22,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:22,147 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:22,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:12:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:22,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:22,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:22,808 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 01:12:22,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:12:24,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:12:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:24,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 200 states and 288 transitions. [2023-12-03 01:12:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 288 transitions. [2023-12-03 01:12:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:12:24,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:24,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:24,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:24,358 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:24,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:12:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:24,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:25,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:25,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:25,220 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 01:12:25,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:12:25,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 211 states and 300 transitions. [2023-12-03 01:12:25,845 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 300 transitions. [2023-12-03 01:12:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 01:12:25,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:25,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:25,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:25,847 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:25,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:12:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:26,328 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:26,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:12:26,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:26,736 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 01:12:26,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:12:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 214 states and 302 transitions. [2023-12-03 01:12:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2023-12-03 01:12:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 01:12:26,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:26,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:26,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:26,767 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:26,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:12:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:27,314 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:27,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:27,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:27,782 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 01:12:27,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:12:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:29,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 230 states and 333 transitions. [2023-12-03 01:12:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 333 transitions. [2023-12-03 01:12:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-03 01:12:29,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:29,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:29,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:29,325 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:29,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:12:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:29,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:30,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:12:30,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:30,225 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 01:12:30,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:12:30,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:30,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 228 states and 328 transitions. [2023-12-03 01:12:30,243 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 328 transitions. [2023-12-03 01:12:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:30,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:30,245 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:12:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:31,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:31,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:31,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:31,689 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 01:12:31,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:12:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:32,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:32,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:32,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:32,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:32,925 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:32,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:12:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:33,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:34,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:34,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:34,052 INFO 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 01:12:34,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 01:12:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:34,351 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:34,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:34,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:34,353 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:34,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:12:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:35,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:35,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:35,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:35,500 INFO 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 01:12:35,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:12:35,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:35,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:35,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:35,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:35,524 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:35,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:12:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:36,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:36,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:36,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:36,711 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 01:12:36,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:12:36,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:36,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:36,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:36,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:36,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:36,739 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:36,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:12:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:37,643 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:37,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:37,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:37,989 INFO 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 01:12:38,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:12:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:38,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:38,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:38,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:38,013 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:38,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:12:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:38,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:39,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:39,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:39,223 INFO 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 01:12:39,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 01:12:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:39,246 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:39,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:39,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:39,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:39,247 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:39,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:12:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:40,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:40,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:40,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:40,566 INFO 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 01:12:40,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:12:40,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:40,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:40,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:40,598 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:40,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:12:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:41,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:41,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:41,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:41,875 INFO 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 01:12:41,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:12:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:41,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:41,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:41,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:41,900 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:41,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:12:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:42,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:43,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:43,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:43,177 INFO 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 01:12:43,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:12:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:43,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:43,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:43,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:43,203 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:43,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:12:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:44,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:44,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:44,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:44,683 INFO 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 01:12:44,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:12:44,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:44,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:44,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:44,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:44,712 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:44,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:12:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:45,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:46,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:46,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:46,043 INFO 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 01:12:46,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:12:46,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:46,074 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:46,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:46,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:46,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:46,076 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:12:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:47,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:47,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:47,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:47,476 INFO 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 01:12:47,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:12:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:47,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:47,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:47,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:47,504 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:47,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:12:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:48,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:49,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:49,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:49,054 INFO 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 01:12:49,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:12:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:49,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:49,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:49,084 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:49,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:12:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:50,211 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:50,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:50,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:50,534 INFO 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 01:12:50,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:12:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:50,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:50,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:50,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:50,565 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:50,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:12:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:51,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:52,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:52,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:12:52,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2023-12-03 01:12:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:52,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:52,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:52,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:52,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:52,252 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:52,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:12:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:53,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:53,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:53,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:12:53,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:12:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:53,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:53,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:53,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:53,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:53,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:53,896 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:53,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:12:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:55,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:55,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:55,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:55,593 INFO 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 01:12:55,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:12:55,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:55,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:55,632 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:55,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:55,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:55,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:55,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:55,634 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:55,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:12:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:56,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:57,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:57,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:57,323 INFO 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 01:12:57,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:12:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:57,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:57,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:57,358 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:57,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:12:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:58,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:12:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:12:59,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:12:59,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:12:59,084 INFO 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 01:12:59,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:12:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:12:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:12:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:12:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:12:59,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:12:59,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:12:59,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:12:59,120 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:12:59,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:13:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:00,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:00,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:00,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:00,923 INFO 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 01:13:00,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:13:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:00,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:00,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:00,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:00,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:00,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:00,980 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:00,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:13:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:02,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:02,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:02,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:02,802 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 01:13:02,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:13:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:02,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:02,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:02,839 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:02,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:13:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:04,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:04,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:04,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:04,816 INFO 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 01:13:04,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 01:13:04,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:04,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:04,852 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:04,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:04,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:04,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:04,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:04,853 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:04,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:13:06,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:06,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:06,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:06,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:06,678 INFO 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 01:13:06,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:13:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:06,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:06,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:06,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:06,715 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:06,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:13:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:08,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:08,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:08,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:08,330 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 01:13:08,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:13:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:08,368 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:08,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:08,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:08,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:08,370 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:08,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:13:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:09,719 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:10,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:10,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:10,052 INFO 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 01:13:10,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:13:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:10,089 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:10,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:10,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:10,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:10,091 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:10,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:13:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:11,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:12,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:12,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:12,251 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 01:13:12,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:13:12,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:12,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:12,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:12,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:12,289 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:12,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:13:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:13,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:14,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:14,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:14,064 INFO 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 01:13:14,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:13:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:14,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:14,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:14,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:14,108 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:14,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:13:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:15,708 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:16,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:16,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:16,050 INFO 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 01:13:16,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:13:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:16,093 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:16,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:16,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:16,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:16,095 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:16,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:13:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:17,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:18,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:18,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:18,060 INFO 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 01:13:18,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 01:13:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:18,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:18,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:18,104 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:18,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:13:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:19,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:20,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:20,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:20,069 INFO 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 01:13:20,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:13:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:20,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:20,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:20,111 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:20,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:13:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:22,011 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:22,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:22,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:22,341 INFO 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 01:13:22,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:13:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:22,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:22,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:22,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:22,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:22,383 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:22,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:13:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:24,267 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:24,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:24,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:24,630 INFO 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 01:13:24,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:13:24,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:24,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:24,671 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:24,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:24,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:24,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:24,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:24,673 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:24,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:13:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:26,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:26,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:26,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:26,830 INFO 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 01:13:26,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:13:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:26,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:26,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:26,874 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:26,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:13:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:28,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:29,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:29,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:29,183 INFO 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 01:13:29,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:13:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:29,226 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:29,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:29,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:29,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:29,227 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:29,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:13:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:31,006 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:31,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:31,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:31,342 INFO 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 01:13:31,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:13:31,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:31,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:31,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:31,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:31,389 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:31,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:13:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:33,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:33,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:33,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:33,750 INFO 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 01:13:33,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:13:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:33,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:33,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:33,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:33,798 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:33,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:13:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:36,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:36,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:36,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:36,392 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 01:13:36,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:13:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:36,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:36,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:36,440 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:36,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:13:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:38,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:38,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:38,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:38,890 INFO 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 01:13:38,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:13:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:38,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:38,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:38,939 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:38,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:13:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:41,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:41,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:41,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:41,358 INFO 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 01:13:41,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:13:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:41,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:41,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:41,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:41,390 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:41,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:13:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:43,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:43,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:43,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:44,011 INFO 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 01:13:44,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:13:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:44,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:44,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:44,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:44,044 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:44,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:13:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:46,411 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:46,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:46,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:46,721 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 01:13:46,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:13:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:46,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:46,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:46,755 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:46,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:13:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:49,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:49,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:49,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:49,403 INFO 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 01:13:49,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:13:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:49,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:49,457 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:49,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:13:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:51,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:52,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:52,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:52,099 INFO 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 01:13:52,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:13:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:52,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:52,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:52,133 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:52,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:13:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:54,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:54,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:54,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:54,860 INFO 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 01:13:54,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:13:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:54,895 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:54,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:54,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:54,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:54,896 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:54,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:13:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:57,348 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:13:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:13:57,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:13:57,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:13:57,677 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 01:13:57,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:13:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:13:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:13:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:13:57,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:13:57,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:13:57,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:13:57,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:13:57,713 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:13:57,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:14:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:00,076 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:00,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:00,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:00,428 INFO 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 01:14:00,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:14:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:00,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:00,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:00,463 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:14:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:03,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:03,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:03,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:03,475 INFO 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 01:14:03,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:14:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:03,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:03,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:03,510 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:03,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:14:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:06,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:06,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:06,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:06,466 INFO 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 01:14:06,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:14:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:06,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:06,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:06,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:06,503 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:06,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:14:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:09,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:09,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:09,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:14:09,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:14:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:09,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:09,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:09,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:09,528 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:14:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:12,024 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:12,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:12,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:14:12,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:14:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:12,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:12,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:12,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:12,390 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:12,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:14:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:14,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:15,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:15,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:15,311 INFO 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 01:14:15,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:14:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:15,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:15,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:15,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:15,349 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:15,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:14:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:17,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:18,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:18,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:18,221 INFO 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 01:14:18,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:14:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:18,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:18,258 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:18,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:14:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:20,964 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:21,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:21,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:21,316 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 01:14:21,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:14:21,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:21,352 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:21,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:21,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:21,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:21,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:21,353 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:21,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:14:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:24,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:24,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:24,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:24,411 INFO 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 01:14:24,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:14:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:24,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:24,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:24,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:24,451 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:24,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:14:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,160 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:27,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:27,502 INFO 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 01:14:27,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:14:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:27,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:27,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:27,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:27,541 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:27,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:14:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:30,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:30,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:30,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:30,785 INFO 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 01:14:30,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:14:30,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:30,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:30,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:30,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:30,826 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:30,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:14:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:33,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:34,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:34,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:34,177 INFO 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 01:14:34,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:14:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:34,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:34,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:34,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:34,220 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:34,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:14:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:37,051 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:37,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:37,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:37,395 INFO 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 01:14:37,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:14:37,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:37,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:37,433 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:37,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:37,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:37,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:37,435 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:14:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:40,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:40,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:40,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:40,813 INFO 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 01:14:40,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:14:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:40,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:40,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:40,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:40,854 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:40,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:14:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:43,929 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:44,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:44,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:44,243 INFO 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 01:14:44,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 01:14:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:44,281 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:44,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:44,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:44,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:44,282 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:44,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:14:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:47,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:47,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:47,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:47,621 INFO 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 01:14:47,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:14:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:47,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:47,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:47,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:47,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:47,662 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:47,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:14:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:50,878 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:51,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:51,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:51,228 INFO 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 01:14:51,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:14:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:51,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:51,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:51,269 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:51,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:14:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:54,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:54,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:54,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:54,714 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 01:14:54,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:14:54,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:54,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:54,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:54,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:54,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:54,756 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:54,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:14:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:57,806 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:14:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:58,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:58,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:58,159 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 01:14:58,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 01:14:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:58,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:14:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:14:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:14:58,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:58,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:14:58,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:14:58,201 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:14:58,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:15:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:01,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:01,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:01,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:01,853 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 01:15:01,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:15:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:01,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:01,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:01,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:01,898 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:01,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:15:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:05,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:05,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:05,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:05,419 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 01:15:05,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:15:05,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:05,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:05,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:05,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:05,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:05,467 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:05,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:15:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:08,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:09,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:09,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:09,104 INFO 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 01:15:09,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 01:15:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:09,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:09,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:09,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:09,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:09,148 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:09,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:15:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:12,616 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:12,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:12,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:12,932 INFO 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 01:15:12,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 01:15:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:12,975 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:12,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:12,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:12,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:12,976 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:12,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:15:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:16,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:16,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:16,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:16,610 INFO 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 01:15:16,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:15:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:16,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:16,654 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:16,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:15:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:19,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:20,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:20,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:20,302 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 01:15:20,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:15:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:20,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:20,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:20,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:20,347 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:20,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:15:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:23,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:24,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:24,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:24,206 INFO 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 01:15:24,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:15:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:24,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:24,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:24,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:24,248 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:24,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:15:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:27,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:28,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:28,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:28,206 INFO 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 01:15:28,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 01:15:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:28,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:28,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:28,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:28,252 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:28,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:15:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:31,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:32,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:32,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:32,070 INFO 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 01:15:32,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:15:32,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:32,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:32,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:32,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:32,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:32,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:32,115 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:32,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:15:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:35,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:35,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:35,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:35,908 INFO 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 01:15:35,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:15:35,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:35,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:35,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:35,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:35,955 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:35,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:15:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:39,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:39,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:39,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:39,975 INFO 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 01:15:40,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:15:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:40,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:40,022 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:40,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:15:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:43,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:44,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:44,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:44,061 INFO 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 01:15:44,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 01:15:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:44,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:44,117 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:44,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:15:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:47,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:48,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:48,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:48,099 INFO 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 01:15:48,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:15:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:48,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:48,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:48,147 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:48,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:15:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:51,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:51,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:51,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:51,855 INFO 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 01:15:51,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 01:15:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:51,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:51,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:51,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:51,903 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:51,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:15:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:55,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:15:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:55,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:55,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:55,963 INFO 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 01:15:55,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:15:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:56,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:15:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:15:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:56,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:56,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:15:56,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:15:56,010 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:15:56,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:15:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:59,805 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:00,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:00,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:00,125 INFO 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 01:16:00,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:16:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:00,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:00,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:00,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:00,173 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:00,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:16:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:04,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:04,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:04,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:04,407 INFO 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 01:16:04,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 01:16:04,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:04,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:04,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:04,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:04,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:04,455 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:04,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:16:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:08,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:08,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:08,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:08,564 INFO 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 01:16:08,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 01:16:08,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:08,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:08,612 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:08,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:08,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:08,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:08,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:08,613 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:08,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:16:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:12,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:12,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:12,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:12,869 INFO 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 01:16:12,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 01:16:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:12,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:12,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:12,938 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:12,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 01:16:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:17,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:17,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:17,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:17,368 INFO 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 01:16:17,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 01:16:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:17,417 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:17,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:17,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:17,419 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:17,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 01:16:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:21,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:21,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:21,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:21,369 INFO 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 01:16:21,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 01:16:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:21,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:21,419 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:21,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:21,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:21,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:21,420 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:21,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 01:16:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:25,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:26,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:26,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:26,029 INFO 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 01:16:26,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 01:16:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:26,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:26,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:26,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:26,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:26,080 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:26,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 01:16:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:30,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:30,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:30,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:30,766 INFO 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 01:16:30,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 01:16:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:30,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:30,816 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:30,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 01:16:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:35,087 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:35,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:35,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:35,413 INFO 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 01:16:35,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 01:16:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:35,478 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:35,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:35,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:35,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:35,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:35,479 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:35,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 01:16:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:39,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:39,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:39,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:39,970 INFO 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 01:16:40,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 01:16:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:40,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:40,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:40,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:40,027 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:40,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 01:16:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:44,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:44,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:44,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:16:44,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 01:16:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:44,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:44,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:44,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:44,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:44,813 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:44,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 01:16:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:49,350 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:49,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:49,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:49,694 INFO 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 01:16:49,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 01:16:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:49,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:49,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:49,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:49,748 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:49,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 01:16:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:53,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:54,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:54,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:16:54,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 01:16:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:54,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:54,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:54,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:54,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:54,254 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:54,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 01:16:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:58,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:16:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:58,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:58,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:58,834 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 01:16:58,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 01:16:58,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:58,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:16:58,887 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:16:58,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:16:58,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:58,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:16:58,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:16:58,888 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:16:58,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 01:17:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:03,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:03,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:03,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:17:03,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 01:17:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:03,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:03,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:03,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:03,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:03,666 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 01:17:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:08,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:08,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:08,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:08,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:17:08,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2023-12-03 01:17:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:08,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:08,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:08,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:08,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:08,481 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:08,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 01:17:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:13,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:13,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:13,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:13,351 INFO 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 01:17:13,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 01:17:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:13,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:13,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:13,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:13,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:13,407 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:13,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 01:17:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:17,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:18,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:18,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:18,175 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 01:17:18,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 01:17:18,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:18,229 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:18,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:18,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:18,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:18,230 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:18,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 01:17:22,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:22,924 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:23,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:23,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:23,227 INFO 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 01:17:23,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 01:17:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:23,281 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:23,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:23,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:23,283 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:23,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 01:17:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:27,858 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:28,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:28,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:28,172 INFO 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 01:17:28,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 01:17:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:28,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:28,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:28,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:28,227 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:28,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 01:17:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:32,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:32,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:32,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:17:32,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 01:17:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:32,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:32,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:32,565 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 01:17:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:37,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:37,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:37,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:37,470 INFO 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 01:17:37,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 01:17:37,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:37,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:37,526 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:37,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:37,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:37,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:37,527 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 01:17:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:42,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:42,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:42,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:42,635 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 01:17:42,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 01:17:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:42,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:42,690 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:42,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:42,692 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:42,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 01:17:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:47,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:47,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:47,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:17:47,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 01:17:47,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:47,537 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:47,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:47,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:47,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:47,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:47,539 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:47,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 01:17:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:52,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:52,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:52,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:52,670 INFO 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 01:17:52,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-03 01:17:52,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:52,726 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:52,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:52,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:52,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:52,728 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:52,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 01:17:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:57,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:17:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:57,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:57,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:57,702 INFO 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 01:17:57,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 01:17:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:17:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:17:57,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:17:57,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:57,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:17:57,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:17:57,761 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:17:57,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 01:18:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:02,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:02,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:02,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:03,009 INFO 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 01:18:03,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 01:18:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:03,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:03,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:03,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:03,068 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:03,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 01:18:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:07,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:07,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:08,012 INFO 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 01:18:08,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 01:18:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:08,070 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:08,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:08,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:08,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:08,072 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:08,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 01:18:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:12,967 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:13,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:13,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:13,298 INFO 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 01:18:13,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 01:18:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:13,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:13,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:13,378 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:13,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 01:18:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:18,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:18,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:18,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:18:18,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 01:18:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:18,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:18,617 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:18,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 01:18:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:23,854 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:24,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:24,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:18:24,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2023-12-03 01:18:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:24,288 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:24,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:24,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:24,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:24,290 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:24,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 01:18:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:29,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:29,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:29,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:29,608 INFO 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 01:18:29,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 01:18:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:29,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:29,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:29,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:29,670 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:29,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 01:18:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:34,820 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:35,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:35,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:18:35,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 01:18:35,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:35,212 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:35,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:35,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:35,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:35,214 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:35,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 01:18:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:40,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:40,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:40,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:40,698 INFO 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 01:18:40,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 01:18:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:40,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:40,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:40,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:40,760 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:40,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 01:18:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:45,977 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:46,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:46,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:46,317 INFO 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 01:18:46,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 01:18:46,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:46,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:46,377 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:46,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:46,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:46,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:46,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:46,379 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:46,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 01:18:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:52,018 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:52,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:52,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:52,356 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:18:52,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2023-12-03 01:18:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:52,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:52,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:52,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:52,440 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:52,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 01:18:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:57,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:18:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:58,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:58,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:58,168 INFO 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 01:18:58,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 01:18:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:18:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:18:58,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:18:58,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:58,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:18:58,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:18:58,233 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:18:58,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 01:19:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:03,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:04,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:04,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:04,372 INFO 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 01:19:04,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 01:19:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:04,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:04,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:04,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:04,438 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:04,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 01:19:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:10,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:10,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:10,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:10,589 INFO 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 01:19:10,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 01:19:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:10,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:10,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:10,655 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:10,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 01:19:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:16,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:16,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:16,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:16,702 INFO 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 01:19:16,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2023-12-03 01:19:16,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:16,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:16,764 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:16,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:16,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:16,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:16,766 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:16,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 01:19:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:22,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:22,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:22,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:19:22,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 01:19:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:22,833 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:22,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:22,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:22,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:22,834 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:22,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 01:19:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:28,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:28,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:28,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:28,834 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 01:19:28,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 01:19:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:28,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:28,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:28,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:28,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:28,899 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:28,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 01:19:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:34,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:34,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:34,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:34,870 INFO 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 01:19:34,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 01:19:34,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:34,934 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:34,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:34,935 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:34,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 01:19:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:40,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:40,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:40,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:40,925 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 01:19:40,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 01:19:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:40,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:40,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:40,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:40,991 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:40,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 01:19:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:46,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:47,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:47,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:19:47,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 01:19:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:47,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:47,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:47,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:47,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:47,281 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:47,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 01:19:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:53,313 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:19:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:19:53,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:19:53,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:19:53,709 INFO 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 01:19:53,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 01:19:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:19:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:19:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:19:53,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:19:53,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:19:53,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:19:53,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:19:53,784 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:19:53,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 01:20:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:00,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:00,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:00,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:00,456 INFO 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 01:20:00,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 01:20:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:00,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:00,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:00,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:00,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:00,530 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:00,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 01:20:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:06,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:07,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:07,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:07,097 INFO 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 01:20:07,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 01:20:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:07,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:07,169 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:07,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:07,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:07,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:07,170 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:07,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 01:20:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:13,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:13,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:13,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:13,620 INFO 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 01:20:13,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 01:20:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:13,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:13,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:13,690 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:13,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 01:20:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:19,845 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:20,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:20,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:20,252 INFO 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 01:20:20,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 01:20:20,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:20,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:20,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:20,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:20,322 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:20,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 01:20:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:26,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:26,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:26,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:26,735 INFO 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 01:20:26,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 01:20:26,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:26,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:26,802 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:26,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:26,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:26,803 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:26,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 01:20:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:32,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:33,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:33,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:33,255 INFO 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 01:20:33,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 01:20:33,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:33,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:33,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:33,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:33,347 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:33,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 01:20:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:39,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:39,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:39,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:39,892 INFO 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 01:20:39,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 01:20:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:39,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:39,960 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:39,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:39,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:39,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:39,962 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:39,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 01:20:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:46,027 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:46,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:46,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:46,375 INFO 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 01:20:46,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 01:20:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:46,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:46,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:46,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:46,469 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:46,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 01:20:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:52,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:53,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:53,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:53,051 INFO 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 01:20:53,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 01:20:53,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:53,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:53,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:53,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:53,120 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:53,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 01:20:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:59,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:20:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:59,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:59,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:59,454 INFO 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 01:20:59,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 01:20:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:20:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:20:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:20:59,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:59,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:20:59,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:20:59,525 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:20:59,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 01:21:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:05,585 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:21:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:05,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:05,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:05,888 INFO 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 01:21:05,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 01:21:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 230 states and 332 transitions. [2023-12-03 01:21:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 332 transitions. [2023-12-03 01:21:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:21:05,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:05,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:21:05,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:21:05,958 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:21:05,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d0c0e87-0730-4c85-8a91-a7e477e9c0f7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process