./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/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_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:33:24,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:33:24,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:33:24,173 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:33:24,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:33:24,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:33:24,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:33:24,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:33:24,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:33:24,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:33:24,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:33:24,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:33:24,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:33:24,201 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:33:24,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:33:24,202 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:33:24,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:33:24,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:33:24,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:33:24,204 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:33:24,204 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:33:24,205 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:33:24,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:33:24,206 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:33:24,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:33:24,207 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:33:24,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:33:24,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:33:24,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:24,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:33:24,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:33:24,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:33:24,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:33:24,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:33:24,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:33:24,211 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_9b33361e-f273-417a-a961-02a39b1ede9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2023-12-03 04:33:24,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:33:24,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:33:24,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:33:24,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:33:24,467 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:33:24,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-12-03 04:33:27,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:33:27,487 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:33:27,488 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-12-03 04:33:27,506 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/a18f75918/88d263861d7d4b598b2138a3104e47e3/FLAGe963c629a [2023-12-03 04:33:27,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/a18f75918/88d263861d7d4b598b2138a3104e47e3 [2023-12-03 04:33:27,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:33:27,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:33:27,524 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:27,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:33:27,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:33:27,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:27" (1/1) ... [2023-12-03 04:33:27,530 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949b48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:27, skipping insertion in model container [2023-12-03 04:33:27,530 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:33:27" (1/1) ... [2023-12-03 04:33:27,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:33:27,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:27,964 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:33:28,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:33:28,075 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:33:28,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28 WrapperNode [2023-12-03 04:33:28,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:33:28,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:28,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:33:28,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:33:28,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,154 INFO L138 Inliner]: procedures = 177, calls = 187, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 802 [2023-12-03 04:33:28,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:33:28,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:33:28,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:33:28,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:33:28,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:33:28,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:33:28,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:33:28,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:33:28,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:33:28" (1/1) ... [2023-12-03 04:33:28,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:33:28,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:33:28,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:33:28,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:33:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:33:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:33:28,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:33:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:33:28,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:33:28,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:33:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:33:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:33:28,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:33:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:33:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:33:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:33:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:33:28,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:33:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:33:28,466 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:33:28,468 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:33:29,399 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:33:30,218 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:33:30,218 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-03 04:33:30,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:30 BoogieIcfgContainer [2023-12-03 04:33:30,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:33:30,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:33:30,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:33:30,231 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:33:30,232 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:33:30" (1/1) ... [2023-12-03 04:33:30,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:33:30,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2023-12-03 04:33:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2023-12-03 04:33:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:33:30,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,457 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 04:33:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 92 states and 150 transitions. [2023-12-03 04:33:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 150 transitions. [2023-12-03 04:33:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:33:30,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,527 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 04:33:30,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 93 states and 152 transitions. [2023-12-03 04:33:30,550 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 152 transitions. [2023-12-03 04:33:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:33:30,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,623 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 04:33:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 154 transitions. [2023-12-03 04:33:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2023-12-03 04:33:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:33:30,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,711 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 04:33:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 152 transitions. [2023-12-03 04:33:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2023-12-03 04:33:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:33:30,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,771 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 04:33:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2023-12-03 04:33:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-12-03 04:33:30,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 04:33:30,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:30,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:30,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:30,865 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 04:33:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2023-12-03 04:33:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2023-12-03 04:33:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 04:33:30,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:30,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:31,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:33:31,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:31,056 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 04:33:41,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:33:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:33:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 95 states and 136 transitions. [2023-12-03 04:33:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2023-12-03 04:33:41,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:33:41,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:33:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:33:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:33:41,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:33:41,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:33:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:33:51,564 WARN L539 Checker$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 04:34:01,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:11,638 WARN L539 Checker$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 04:34:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 122 states and 169 transitions. [2023-12-03 04:34:22,198 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 169 transitions. [2023-12-03 04:34:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:34:22,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:22,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:22,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:34:22,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:22,376 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 04:34:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:34:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 122 states and 167 transitions. [2023-12-03 04:34:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2023-12-03 04:34:22,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:34:22,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:34:22,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:34:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:34:22,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:34:22,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:34:22,698 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 04:34:32,757 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 04:34:42,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:34:52,859 WARN L539 Checker$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 04:35:02,896 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 04:35:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 150 states and 201 transitions. [2023-12-03 04:35:03,210 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 201 transitions. [2023-12-03 04:35:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 04:35:03,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:03,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:03,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:35:03,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:03,378 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 04:35:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 150 states and 199 transitions. [2023-12-03 04:35:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 199 transitions. [2023-12-03 04:35:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:35:03,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:03,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:35:03,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:03,608 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 04:35:13,619 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 04:35:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 150 states and 197 transitions. [2023-12-03 04:35:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2023-12-03 04:35:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:35:13,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:13,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:35:13,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:13,942 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 04:35:23,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:33,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:44,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:35:54,052 WARN L539 Checker$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 04:35:54,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:54,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 153 states and 199 transitions. [2023-12-03 04:35:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2023-12-03 04:35:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:35:54,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:54,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:35:54,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:54,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:35:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:35:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-12-03 04:35:54,423 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-12-03 04:35:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:35:54,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:35:54,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:35:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:35:54,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:35:54,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:35:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:36:04,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:14,870 WARN L539 Checker$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 04:36:24,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:34,933 WARN L539 Checker$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 04:36:34,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:36:34,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 216 transitions. [2023-12-03 04:36:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 216 transitions. [2023-12-03 04:36:35,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:36:35,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:36:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:36:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:36:35,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:36:35,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:36:35,259 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 04:36:45,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:36:55,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:05,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:15,585 WARN L539 Checker$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 04:37:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 171 states and 218 transitions. [2023-12-03 04:37:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 218 transitions. [2023-12-03 04:37:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 04:37:15,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:15,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:15,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:37:15,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:15,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:37:25,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:35,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:46,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:37:56,106 WARN L539 Checker$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 04:37:56,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:56,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 174 states and 220 transitions. [2023-12-03 04:37:56,140 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-12-03 04:37:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-03 04:37:56,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:56,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:56,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:37:56,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:37:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:56,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 183 states and 230 transitions. [2023-12-03 04:37:56,468 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 230 transitions. [2023-12-03 04:37:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:37:56,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:56,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:37:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:37:56,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:37:56,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:37:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:37:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:37:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 192 states and 240 transitions. [2023-12-03 04:37:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 240 transitions. [2023-12-03 04:37:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 04:37:56,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:37:56,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:01,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:38:01,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:38:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:01,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 194 states and 244 transitions. [2023-12-03 04:38:01,602 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 244 transitions. [2023-12-03 04:38:01,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 04:38:01,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:38:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:38:11,869 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 04:38:11,872 INFO L158 Benchmark]: Toolchain (without parser) took 284349.07ms. Allocated memory was 155.2MB in the beginning and 251.7MB in the end (delta: 96.5MB). Free memory was 111.2MB in the beginning and 198.6MB in the end (delta: -87.4MB). Peak memory consumption was 151.8MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,872 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:38:11,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.89ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 82.9MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.69ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 77.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,874 INFO L158 Benchmark]: Boogie Preprocessor took 75.80ms. Allocated memory is still 155.2MB. Free memory was 77.2MB in the beginning and 71.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,875 INFO L158 Benchmark]: RCFGBuilder took 1987.96ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 71.3MB in the beginning and 130.0MB in the end (delta: -58.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,875 INFO L158 Benchmark]: CodeCheck took 281650.25ms. Allocated memory was 203.4MB in the beginning and 251.7MB in the end (delta: 48.2MB). Free memory was 130.0MB in the beginning and 198.6MB in the end (delta: -68.5MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. [2023-12-03 04:38:11,878 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 155.2MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.89ms. Allocated memory is still 155.2MB. Free memory was 110.7MB in the beginning and 82.9MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.69ms. Allocated memory is still 155.2MB. Free memory was 82.9MB in the beginning and 77.2MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.80ms. Allocated memory is still 155.2MB. Free memory was 77.2MB in the beginning and 71.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1987.96ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 71.3MB in the beginning and 130.0MB in the end (delta: -58.7MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * CodeCheck took 281650.25ms. Allocated memory was 203.4MB in the beginning and 251.7MB in the end (delta: 48.2MB). Free memory was 130.0MB in the beginning and 198.6MB in the end (delta: -68.5MB). Peak memory consumption was 120.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:38:12,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/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_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/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_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:38:13,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:38:13,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:38:13,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:38:13,879 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:38:13,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:38:13,880 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:38:13,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:38:13,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:38:13,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:38:13,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:38:13,883 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:38:13,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:38:13,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:38:13,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:38:13,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:38:13,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:38:13,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:38:13,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:38:13,887 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:38:13,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:38:13,888 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:38:13,889 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:38:13,889 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:38:13,890 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:38:13,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:38:13,891 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:38:13,891 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:13,892 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:13,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:38:13,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:13,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:38:13,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:38:13,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:38:13,894 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:38:13,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:13,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:38:13,894 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:38:13,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:13,895 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_9b33361e-f273-417a-a961-02a39b1ede9d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 470d7065e9fd450e98d72326ef313763cf0710ea45f0a443b018e8a49bdf7927 [2023-12-03 04:38:14,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:38:14,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:38:14,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:38:14,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:38:14,230 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:38:14,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-12-03 04:38:17,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:38:17,326 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:38:17,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test1-1.i [2023-12-03 04:38:17,346 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/0420da437/dbc1f67ee9f84677b82d32e2d2de58f0/FLAG71d10cc75 [2023-12-03 04:38:17,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/data/0420da437/dbc1f67ee9f84677b82d32e2d2de58f0 [2023-12-03 04:38:17,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:38:17,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:38:17,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:38:17,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:38:17,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:38:17,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:17" (1/1) ... [2023-12-03 04:38:17,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2631531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:17, skipping insertion in model container [2023-12-03 04:38:17,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:17" (1/1) ... [2023-12-03 04:38:17,436 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:38:17,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:17,909 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:38:17,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:38:17,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:17,986 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:38:18,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:18,087 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:38:18,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18 WrapperNode [2023-12-03 04:38:18,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:38:18,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:38:18,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:38:18,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:38:18,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,173 INFO L138 Inliner]: procedures = 180, calls = 187, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 634 [2023-12-03 04:38:18,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:38:18,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:38:18,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:38:18,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:38:18,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:38:18,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:38:18,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:38:18,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:38:18,250 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:18" (1/1) ... [2023-12-03 04:38:18,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:18,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:38:18,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:38:18,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:38:18,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:38:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:38:18,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:38:18,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:38:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:38:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:38:18,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:38:18,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:38:18,477 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:38:18,479 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:38:34,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:38:34,644 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:38:34,644 INFO L309 CfgBuilder]: Removed 31 assume(true) statements. [2023-12-03 04:38:34,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:38:34 BoogieIcfgContainer [2023-12-03 04:38:34,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:38:34,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:38:34,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:38:34,657 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:38:34,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:38:34" (1/1) ... [2023-12-03 04:38:34,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:38:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:34,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 151 transitions. [2023-12-03 04:38:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 151 transitions. [2023-12-03 04:38:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-03 04:38:34,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:34,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:34,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:34,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:34,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:38:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,026 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:38:35,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:38:35,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 95 states and 154 transitions. [2023-12-03 04:38:35,656 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 154 transitions. [2023-12-03 04:38:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:38:35,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:35,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:35,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:35,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:35,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:38:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:35,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:38:35,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:35,983 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 04:38:35,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:38:35,988 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:38:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:36,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2023-12-03 04:38:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2023-12-03 04:38:36,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:38:36,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:36,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:36,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:36,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:36,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:38:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:36,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:36,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:36,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:36,529 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 04:38:36,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:38:36,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 152 transitions. [2023-12-03 04:38:36,538 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2023-12-03 04:38:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:38:36,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:36,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:36,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:36,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:36,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:38:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:36,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:36,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:36,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:36,819 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 04:38:36,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:36,822 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:38:36,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:36,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2023-12-03 04:38:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2023-12-03 04:38:36,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 04:38:36,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:36,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:36,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:36,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:36,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:38:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:37,105 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:37,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:37,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:37,200 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 04:38:37,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:38:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2023-12-03 04:38:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2023-12-03 04:38:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 04:38:37,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:37,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:37,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:37,214 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:37,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:38:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:37,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:37,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:37,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:37,612 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 04:38:37,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:38:38,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2023-12-03 04:38:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2023-12-03 04:38:38,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 04:38:38,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:38,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:38,583 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:38,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:38:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:38,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:39,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:39,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:39,321 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 04:38:39,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:38:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 109 states and 150 transitions. [2023-12-03 04:38:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 150 transitions. [2023-12-03 04:38:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-03 04:38:39,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:39,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:39,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:39,712 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:39,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:38:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:40,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:40,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:40,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:40,309 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 04:38:40,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:38:40,315 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:38:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2023-12-03 04:38:40,325 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2023-12-03 04:38:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 04:38:40,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:40,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:40,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:38:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:40,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:40,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:38:40,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:40,945 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 04:38:40,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 109 states and 146 transitions. [2023-12-03 04:38:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 146 transitions. [2023-12-03 04:38:40,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-03 04:38:40,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:40,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:40,962 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:40,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:38:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:41,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:41,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:41,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:41,805 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 04:38:41,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:38:41,813 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:38:41,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 112 states and 148 transitions. [2023-12-03 04:38:41,834 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 148 transitions. [2023-12-03 04:38:41,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-03 04:38:41,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:41,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:41,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:41,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:41,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:38:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:42,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:42,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:42,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 04:38:42,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:38:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:44,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:44,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:44,786 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:44,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:38:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:45,283 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:45,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:45,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:45,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:38:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:45,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:45,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:45,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:45,813 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:45,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:38:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:46,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:46,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:46,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:46,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:38:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:46,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:46,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:46,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:46,767 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:46,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:38:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:47,260 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:47,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:47,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:47,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:38:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:47,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:47,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:47,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:47,616 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:47,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:38:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:48,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:48,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:48,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:48,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:48,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:38:48,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:48,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:48,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:48,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:48,621 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:48,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:38:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:49,231 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:49,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:49,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:49,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:38:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:49,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:49,586 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:49,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:38:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:50,277 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:50,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:50,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:50,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:38:50,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:50,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:50,588 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:50,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:50,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:50,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:50,589 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:50,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:38:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:51,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:51,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:51,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:51,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:38:51,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:51,632 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:51,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:51,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:51,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:51,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:51,634 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:51,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:38:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:52,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:52,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:52,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:52,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:38:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:52,736 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:52,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:52,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:52,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:52,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:52,738 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:52,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:38:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:53,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:53,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:53,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:53,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:38:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:53,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:53,850 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:53,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:53,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:53,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:53,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:53,852 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:53,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:38:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:54,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:54,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:54,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:54,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:38:54,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:54,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:54,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:54,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:54,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:54,893 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:54,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:38:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:55,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:56,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:56,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:56,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:56,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:56,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:56,062 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:56,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:38:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:57,066 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:57,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:57,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:57,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:38:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:57,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:57,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:57,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:57,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:57,406 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:57,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:38:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:58,342 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:58,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:58,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:58,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:38:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:58,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:58,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:58,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:58,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:58,674 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:58,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:38:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:59,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:38:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:38:59,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:38:59,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:38:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:38:59,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2023-12-03 04:38:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:38:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:38:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:38:59,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:38:59,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:38:59,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:59,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:38:59,934 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:38:59,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:39:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:00,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:01,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:01,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:01,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:39:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:01,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:01,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:01,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:01,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:01,109 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:01,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:39:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:02,033 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:02,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:02,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:02,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:39:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:02,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:02,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:02,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:02,367 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:02,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:39:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:03,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:03,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:03,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:03,677 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:03,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:39:03,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:03,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:03,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:03,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:03,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:03,699 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:03,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:39:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:04,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:05,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:05,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:05,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:39:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:05,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:05,112 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:05,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:39:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:06,049 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:06,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:06,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:06,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:39:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:06,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:06,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:06,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:06,384 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:06,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:39:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:07,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:07,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:07,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:07,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:39:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:07,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:07,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:07,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:07,893 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:07,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:39:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:09,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:09,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:09,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:09,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:39:09,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:09,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:09,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:09,463 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:09,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:39:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:10,674 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:11,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:11,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:11,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:39:11,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:11,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:11,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:11,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:11,033 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:11,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:39:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:12,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:12,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:12,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:12,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:12,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:12,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:12,467 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:12,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:39:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:13,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:14,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:14,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:14,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:14,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:39:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:14,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:14,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:14,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:14,090 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:14,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:39:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:15,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:15,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:15,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:15,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:15,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:15,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:15,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:15,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:15,885 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:15,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:39:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:17,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:17,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:17,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:17,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:17,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:39:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:17,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:17,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:17,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:17,525 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:17,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:39:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:18,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:19,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:19,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:19,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:19,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:39:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:19,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:19,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:19,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:19,236 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:19,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:39:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:20,575 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:20,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:20,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:20,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:39:20,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:20,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:20,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:20,969 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:20,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:39:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:22,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:22,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:22,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:22,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:22,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:22,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:22,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:22,669 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:22,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:39:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:24,272 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:24,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:24,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:24,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:39:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:24,650 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:24,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:24,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:24,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:24,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:24,652 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:24,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:39:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:26,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:26,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:26,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:26,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:39:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:26,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:26,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:26,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:26,577 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:39:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:28,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:28,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:28,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:28,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:39:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:28,664 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:28,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:28,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:28,666 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:28,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:39:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:30,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:30,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:30,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:30,541 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:30,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:39:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:30,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:30,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:30,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:30,573 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:30,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:39:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:32,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:32,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:32,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:32,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:39:32,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:32,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:32,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:32,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:32,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:32,480 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:32,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:39:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:34,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:34,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:34,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:34,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:39:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:34,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:34,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:34,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:34,501 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:34,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:39:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:36,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:36,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:36,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:36,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:36,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:36,519 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:36,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:36,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:36,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:36,520 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:36,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:39:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:38,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:38,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:38,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:38,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-03 04:39:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:38,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:38,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:38,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:38,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:38,576 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:39:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:40,354 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:40,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:40,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:40,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:40,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:39:40,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:40,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:40,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:40,711 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:40,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:39:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:42,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:42,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:42,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:42,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:39:42,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:42,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:42,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:42,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:42,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:42,814 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:42,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:39:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:44,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:44,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:44,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:44,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:45,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:39:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:45,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:45,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:45,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:45,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:45,010 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:45,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:39:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:46,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:47,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:47,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:47,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:39:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:47,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:47,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:47,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:47,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:47,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:47,191 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:47,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:39:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:49,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:49,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:49,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:49,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:39:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:49,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:49,454 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:49,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:39:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:51,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:51,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:51,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:51,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:51,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:39:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:51,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:51,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:51,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:51,778 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:51,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:39:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:53,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:54,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:54,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:54,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:54,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:39:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:54,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:54,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:54,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:54,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:54,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:54,086 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:54,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:39:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:56,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:56,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:56,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:56,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:39:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:56,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:56,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:56,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:56,596 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:56,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:39:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:58,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:58,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:39:58,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:39:58,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:39:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:39:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:39:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:39:58,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:58,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:58,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:58,878 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:58,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:40:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:00,866 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:01,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:01,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:01,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:01,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:40:01,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:01,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:01,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:01,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:01,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:01,248 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:01,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:40:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:03,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:03,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:03,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:03,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:40:03,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:03,831 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:03,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:03,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:03,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:03,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:03,832 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:03,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:40:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:06,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:06,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:06,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:06,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:40:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:06,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:06,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:06,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:06,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:06,353 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:06,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:40:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:08,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:08,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:08,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:08,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-03 04:40:08,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:08,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:08,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:08,784 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:40:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:11,135 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:11,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:11,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:11,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:40:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:11,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:11,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:11,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:11,477 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:40:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:13,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:14,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:14,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:14,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:14,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:40:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:14,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:14,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:14,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:14,082 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:14,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:40:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:16,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:16,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:16,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:16,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 04:40:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:16,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:16,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:16,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:16,553 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:16,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:40:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:18,566 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:18,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:18,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:18,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:40:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:18,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:18,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:18,913 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:18,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:40:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:21,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:21,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:21,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:21,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 04:40:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:21,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:21,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:21,523 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:21,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:40:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:23,984 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:24,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:24,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:24,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:24,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:40:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:24,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:24,341 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:24,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:24,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:24,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:24,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:24,342 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:24,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:40:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:27,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:27,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:27,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:27,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:40:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:27,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:27,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:27,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:27,423 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:27,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:40:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:29,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:30,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:30,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:30,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:40:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:30,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:30,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:30,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:30,151 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:30,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:40:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:32,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:32,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:32,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:33,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:40:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:33,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:33,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:33,032 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:33,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:40:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:35,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:36,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:36,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:36,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:40:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:36,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:36,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:36,144 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:36,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:40:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:38,584 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:38,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:38,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:38,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:40:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:38,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:38,911 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:38,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:38,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:38,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:38,912 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:38,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:40:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:41,378 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:41,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:41,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:41,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:40:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:41,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:41,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:41,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:41,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:41,697 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:41,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:40:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:44,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:44,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:44,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:44,442 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:44,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 04:40:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:44,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:44,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:44,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:44,471 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:44,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 04:40:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:47,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:47,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:47,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:47,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 04:40:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:47,674 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:47,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:47,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:47,676 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:47,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 04:40:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:50,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:50,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:50,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:50,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 04:40:50,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:50,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:50,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:50,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:50,505 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:50,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 04:40:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:53,241 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:53,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:53,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:53,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-03 04:40:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:53,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:53,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:53,620 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:53,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 04:40:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:56,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:56,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:56,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:56,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:56,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 04:40:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:56,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:56,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:56,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:56,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:56,870 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:56,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 04:40:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:59,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:40:59,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:40:59,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 04:40:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:40:59,937 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:40:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:40:59,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:59,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:59,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:59,938 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:59,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 04:41:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:02,896 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:03,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:03,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:03,224 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:03,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 04:41:03,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:03,255 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:03,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:03,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:03,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:03,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:03,257 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:03,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 04:41:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:05,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:06,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:06,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:06,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 04:41:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:06,104 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:06,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:06,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:06,105 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:06,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 04:41:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:08,839 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:09,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:09,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:09,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 04:41:09,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:09,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:09,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:09,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:09,146 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 04:41:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:11,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:12,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:12,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:12,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 04:41:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:12,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:12,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:12,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:12,334 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:12,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 04:41:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:15,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:15,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:15,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:15,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 04:41:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:15,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:15,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:15,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:15,747 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:15,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 04:41:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:18,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:19,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:19,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:19,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:19,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:19,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:19,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:19,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:19,166 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:19,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 04:41:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:22,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:22,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:22,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:22,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 04:41:22,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:22,621 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:22,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:22,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:22,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:22,622 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:22,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 04:41:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:25,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:25,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:25,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:25,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 04:41:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:25,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:25,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:25,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:25,862 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:25,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 04:41:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:28,815 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:29,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:29,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:29,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2023-12-03 04:41:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:29,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:29,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:29,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:29,179 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:29,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 04:41:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:32,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:32,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:32,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:32,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 04:41:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:32,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:32,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:32,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:32,705 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:32,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 04:41:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:35,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:36,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:36,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:36,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 04:41:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:36,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:36,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:36,081 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:36,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 04:41:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:39,229 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:39,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:39,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:39,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 04:41:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:39,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:39,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:39,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:39,559 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 04:41:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:42,846 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:43,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:43,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:43,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 04:41:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:43,198 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:43,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:43,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:43,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:43,199 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:43,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 04:41:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:46,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:46,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:46,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:46,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 04:41:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:46,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:46,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:46,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:46,662 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:46,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 04:41:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:49,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:50,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:50,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:50,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:50,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 04:41:50,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:50,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:50,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:50,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:50,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:50,151 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:50,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 04:41:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:53,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:53,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:53,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:53,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 04:41:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:53,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:53,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:53,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:53,774 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:53,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 04:41:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:57,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:57,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:41:57,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:41:57,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 04:41:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:41:57,397 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:41:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:41:57,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:57,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:57,398 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:57,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 04:42:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:00,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:01,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:01,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:01,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 04:42:01,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:01,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:01,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:01,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:01,098 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:01,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 04:42:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:04,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:04,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:04,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:04,835 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:04,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 04:42:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:04,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:04,870 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:04,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:04,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:04,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:04,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:04,871 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:04,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 04:42:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:08,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:08,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:08,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:08,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 04:42:08,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:08,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:08,945 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:08,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:08,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:08,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:08,946 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:08,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 04:42:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:12,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:12,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:12,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:12,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:12,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 04:42:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:12,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:12,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:12,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:12,769 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:12,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 04:42:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:16,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:16,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:16,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:16,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 04:42:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:16,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:16,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:16,558 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 04:42:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:19,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:20,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:20,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:20,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 04:42:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:20,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:20,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:20,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:20,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:20,053 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:20,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 04:42:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:23,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:23,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:23,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:23,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 04:42:23,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:23,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:23,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:23,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:23,700 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:23,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 04:42:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:26,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:27,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:27,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:27,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 04:42:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:27,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:27,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:27,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:27,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:27,161 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:27,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 04:42:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:30,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:30,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:30,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:30,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 04:42:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:30,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:30,885 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:30,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 04:42:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:34,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:35,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 04:42:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:35,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:35,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:35,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:35,020 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:35,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 04:42:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:38,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:38,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:38,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:38,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 04:42:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:38,970 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:38,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:38,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:38,971 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:38,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 04:42:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:42,804 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:43,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:43,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:43,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:43,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 04:42:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:43,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:43,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:43,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:43,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:43,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:43,157 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:43,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 04:42:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:47,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:47,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:47,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:47,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:47,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 04:42:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:47,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:47,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:47,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:47,460 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:47,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 04:42:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:51,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:51,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:51,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:51,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 04:42:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:51,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:51,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:51,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:51,663 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:51,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 04:42:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:55,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:55,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:55,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:55,823 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:55,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:55,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:42:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:42:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:42:55,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:55,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:55,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:55,864 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:55,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 04:42:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:59,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:59,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:42:59,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:42:59,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 04:43:00,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:00,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:00,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:00,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:00,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:00,005 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:00,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 04:43:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:04,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:04,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:04,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 04:43:04,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:04,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:04,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:04,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:04,373 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:04,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 04:43:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:08,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:08,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:08,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 04:43:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:08,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:08,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:08,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:08,743 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:08,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 04:43:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:12,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:12,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:12,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 04:43:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:12,292 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:12,293 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:12,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 04:43:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:16,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:16,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 04:43:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:16,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:16,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:16,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:16,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:16,728 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:16,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 04:43:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:20,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:20,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:20,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:20,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 04:43:20,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:20,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:20,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:20,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:20,724 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:20,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 04:43:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:24,508 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:24,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:24,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:24,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 04:43:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:24,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:24,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:24,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:24,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:24,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:24,855 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:24,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 04:43:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:28,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:28,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:28,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:28,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:28,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:28,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:28,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:28,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:28,995 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:28,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 04:43:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:33,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:33,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:33,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:33,380 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:33,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 04:43:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:33,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:33,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:33,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:33,424 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:33,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 04:43:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:37,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:38,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:38,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:38,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 04:43:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:38,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:38,172 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:38,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:38,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:38,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:38,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:38,174 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:38,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 04:43:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:42,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:42,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:42,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:42,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 04:43:42,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:42,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:42,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:42,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:42,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:42,907 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:42,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 04:43:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:47,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:47,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:47,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:47,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 04:43:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:47,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:47,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:47,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:47,369 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:47,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 04:43:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:51,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:51,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:51,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:51,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 04:43:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:51,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:51,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:51,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:51,970 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 04:43:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:56,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:56,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:43:56,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:43:56,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 04:43:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:56,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:43:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:43:56,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:43:56,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:56,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:56,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:56,626 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:56,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 04:44:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:01,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:01,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:01,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:01,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 04:44:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:01,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:01,517 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:01,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 04:44:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:05,876 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:06,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:06,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:06,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:06,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 04:44:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:06,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:06,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:06,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:06,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:06,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:06,236 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:06,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2023-12-03 04:44:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:10,965 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:11,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:11,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:11,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2023-12-03 04:44:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:11,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:11,374 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:11,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2023-12-03 04:44:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:15,767 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:16,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:16,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:16,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2023-12-03 04:44:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:16,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:16,129 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:16,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2023-12-03 04:44:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:20,671 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:20,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:20,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:21,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2023-12-03 04:44:21,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:21,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:21,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:21,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:21,043 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:21,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2023-12-03 04:44:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:25,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:26,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:26,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:26,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2023-12-03 04:44:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:26,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:26,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:26,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:26,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:26,178 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2023-12-03 04:44:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:30,486 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:30,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:30,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:30,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2023-12-03 04:44:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:30,839 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:30,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:30,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:30,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:30,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:30,840 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:30,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2023-12-03 04:44:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:35,601 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:35,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:35,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:35,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2023-12-03 04:44:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:35,955 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:35,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:35,956 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:35,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2023-12-03 04:44:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:40,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:40,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:40,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:40,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2023-12-03 04:44:40,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:40,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:40,456 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:40,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:40,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:40,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:40,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:40,457 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:40,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2023-12-03 04:44:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:45,451 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:45,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:45,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:45,766 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:45,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2023-12-03 04:44:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:45,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:45,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:45,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:45,816 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:45,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2023-12-03 04:44:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,298 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:50,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:50,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:50,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2023-12-03 04:44:50,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:50,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:50,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:50,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:50,657 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:50,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2023-12-03 04:44:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:55,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:55,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:44:55,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:44:55,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2023-12-03 04:44:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:44:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:44:55,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:44:55,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:55,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:55,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:55,796 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:55,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2023-12-03 04:45:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:00,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:00,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:01,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:01,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2023-12-03 04:45:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:01,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:01,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:01,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:01,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:01,060 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:01,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2023-12-03 04:45:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:05,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:05,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:05,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2023-12-03 04:45:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:05,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:05,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:05,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:05,984 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:05,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2023-12-03 04:45:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:11,242 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:11,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:11,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:11,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2023-12-03 04:45:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:11,606 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:11,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:11,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:11,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:11,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:11,607 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2023-12-03 04:45:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,599 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:16,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:16,894 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:16,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2023-12-03 04:45:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:16,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:16,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:16,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:16,944 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:16,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2023-12-03 04:45:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,676 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:21,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:21,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:22,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2023-12-03 04:45:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:22,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:22,053 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:22,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:22,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:22,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:22,054 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:22,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2023-12-03 04:45:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:27,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:27,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:27,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2023-12-03 04:45:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:27,326 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:27,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:27,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:27,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:27,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:27,327 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2023-12-03 04:45:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:31,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:31,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:32,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2023-12-03 04:45:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:32,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:32,023 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:32,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:32,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:32,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:32,024 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:32,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2023-12-03 04:45:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:36,603 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:36,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:36,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:36,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2023-12-03 04:45:36,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:36,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:36,934 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:36,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:36,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:36,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:36,935 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2023-12-03 04:45:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:41,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:42,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:42,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:42,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2023-12-03 04:45:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:42,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:42,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:42,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:42,260 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:42,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2023-12-03 04:45:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:47,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:47,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:47,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:47,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2023-12-03 04:45:47,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:47,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:47,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:47,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:47,790 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2023-12-03 04:45:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:52,732 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:53,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:53,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:53,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2023-12-03 04:45:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:53,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:53,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:53,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:53,102 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:53,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2023-12-03 04:45:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:58,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:58,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:45:58,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:58,486 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:45:58,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2023-12-03 04:45:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:45:58,539 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:45:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:45:58,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:58,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:58,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:58,540 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:58,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2023-12-03 04:46:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:03,981 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:04,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:04,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:04,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2023-12-03 04:46:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:04,359 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:04,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:04,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:04,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:04,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:04,360 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:04,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2023-12-03 04:46:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:09,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:10,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:10,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:10,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2023-12-03 04:46:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:10,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:10,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:10,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:10,066 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:10,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2023-12-03 04:46:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:15,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:15,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:15,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:15,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2023-12-03 04:46:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:15,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:15,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:15,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:15,850 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:15,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2023-12-03 04:46:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:20,872 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:21,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:21,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:21,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2023-12-03 04:46:21,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:21,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:21,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:21,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:21,247 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:21,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2023-12-03 04:46:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:26,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:26,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:26,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:26,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2023-12-03 04:46:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:26,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:26,845 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:26,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2023-12-03 04:46:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:32,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:32,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:32,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:32,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2023-12-03 04:46:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:32,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:32,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:32,693 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:32,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2023-12-03 04:46:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:37,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:38,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:38,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:38,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:38,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2023-12-03 04:46:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:38,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:38,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:38,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:38,329 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:38,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2023-12-03 04:46:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:43,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:44,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:44,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:44,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2023-12-03 04:46:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:44,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:44,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:44,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:44,200 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:44,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2023-12-03 04:46:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:49,832 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:50,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:50,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:50,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2023-12-03 04:46:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:50,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:50,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:50,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:50,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:50,221 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:50,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2023-12-03 04:46:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:55,425 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:55,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:46:55,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:46:55,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2023-12-03 04:46:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:46:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:46:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:46:55,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:55,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:55,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:55,775 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:55,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2023-12-03 04:47:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:01,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:01,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:01,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:47:01,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2023-12-03 04:47:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:47:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:47:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:47:01,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:01,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:01,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:01,697 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:01,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2023-12-03 04:47:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 04:47:07,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 04:47:07,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2023-12-03 04:47:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 147 states and 190 transitions. [2023-12-03 04:47:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2023-12-03 04:47:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:47:07,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:07,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:07,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:07,733 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:07,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b33361e-f273-417a-a961-02a39b1ede9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2023-12-03 04:47:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:13,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat