./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/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_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 241cbbc1863278905c5862751ae4b8363464962676a0cc42dc0ceaf22f2782d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:14:04,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:14:04,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:14:04,673 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:14:04,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:14:04,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:14:04,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:14:04,708 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:14:04,709 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:14:04,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:14:04,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:14:04,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:14:04,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:14:04,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:14:04,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:14:04,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:14:04,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:14:04,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:14:04,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:14:04,725 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:14:04,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:14:04,727 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:14:04,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:14:04,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:14:04,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:14:04,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:14:04,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:14:04,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:14:04,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:14:04,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:14:04,731 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:14:04,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:14:04,732 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:14:04,732 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_752e8919-a1ab-4471-b9b3-3f66f60becb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 241cbbc1863278905c5862751ae4b8363464962676a0cc42dc0ceaf22f2782d4 [2023-12-03 01:14:04,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:14:05,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:14:05,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:14:05,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:14:05,014 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:14:05,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i [2023-12-03 01:14:07,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:14:08,081 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:14:08,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i [2023-12-03 01:14:08,102 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/36fdfd34b/08318c3b2f9f4438a56e5c8e09cfe644/FLAGb30b0cc57 [2023-12-03 01:14:08,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/36fdfd34b/08318c3b2f9f4438a56e5c8e09cfe644 [2023-12-03 01:14:08,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:14:08,118 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:14:08,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:14:08,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:14:08,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:14:08,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:08,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd54ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08, skipping insertion in model container [2023-12-03 01:14:08,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:08,204 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:14:08,597 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i[33022,33035] [2023-12-03 01:14:08,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:14:08,794 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:14:08,824 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i[33022,33035] [2023-12-03 01:14:08,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:14:08,962 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:14:08,970 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:14:08,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08 WrapperNode [2023-12-03 01:14:08,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:14:08,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:14:08,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:14:08,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:14:08,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,175 INFO L138 Inliner]: procedures = 177, calls = 623, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 3443 [2023-12-03 01:14:09,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:14:09,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:14:09,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:14:09,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:14:09,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:14:09,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:14:09,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:14:09,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:14:09,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:14:08" (1/1) ... [2023-12-03 01:14:09,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:14:09,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:14:09,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:14:09,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:14:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 01:14:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 01:14:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:14:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:14:09,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:14:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:14:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:14:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:14:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:14:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:14:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:14:09,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:14:09,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:14:09,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:14:12,235 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:14:16,188 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:14:16,188 INFO L309 CfgBuilder]: Removed 168 assume(true) statements. [2023-12-03 01:14:16,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:16 BoogieIcfgContainer [2023-12-03 01:14:16,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:14:16,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:14:16,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:14:16,202 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:14:16,202 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:14:16" (1/1) ... [2023-12-03 01:14:16,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:14:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:16,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 299 states and 521 transitions. [2023-12-03 01:14:16,313 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 521 transitions. [2023-12-03 01:14:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:14:16,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:16,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:16,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 299 states and 517 transitions. [2023-12-03 01:14:16,526 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 517 transitions. [2023-12-03 01:14:16,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:14:16,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:16,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:16,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:16,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 299 states and 513 transitions. [2023-12-03 01:14:16,607 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 513 transitions. [2023-12-03 01:14:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:14:16,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:16,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 301 states and 514 transitions. [2023-12-03 01:14:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 514 transitions. [2023-12-03 01:14:16,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:14:16,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:16,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:17,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:14:17,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:27,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:14:27,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 301 states and 509 transitions. [2023-12-03 01:14:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 509 transitions. [2023-12-03 01:14:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:14:27,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:14:27,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2023-12-03 01:14:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2023-12-03 01:14:27,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:14:27,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:27,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:14:27,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:27,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 301 states and 499 transitions. [2023-12-03 01:14:27,490 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 499 transitions. [2023-12-03 01:14:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:14:27,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:27,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:27,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:14:27,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:27,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:37,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:14:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:14:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 301 states and 493 transitions. [2023-12-03 01:14:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 493 transitions. [2023-12-03 01:14:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:14:37,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:14:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:14:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:14:38,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:14:38,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:14:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:14:48,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:14:58,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:15:08,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:15:18,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:15:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:18,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2023-12-03 01:15:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2023-12-03 01:15:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:15:18,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:19,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:15:19,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:19,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 315 states and 509 transitions. [2023-12-03 01:15:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 509 transitions. [2023-12-03 01:15:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:15:19,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:19,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:15:19,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:15:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 507 transitions. [2023-12-03 01:15:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 507 transitions. [2023-12-03 01:15:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:15:19,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:19,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:19,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:15:19,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:19,863 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 01:15:29,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:15:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:15:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 315 states and 505 transitions. [2023-12-03 01:15:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 505 transitions. [2023-12-03 01:15:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:15:29,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:15:29,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:15:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:15:30,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:15:30,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:15:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:15:40,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:15:50,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:00,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:10,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 318 states and 507 transitions. [2023-12-03 01:16:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 507 transitions. [2023-12-03 01:16:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:16:10,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:10,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:16:10,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 318 states and 502 transitions. [2023-12-03 01:16:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2023-12-03 01:16:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:16:10,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:10,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:11,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:16:11,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:11,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-12-03 01:16:11,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 01:16:11,258 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:16:11,259 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2023-12-03 01:16:11,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:16:11,267 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-03 01:16:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:16:11,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:11,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 321 states and 508 transitions. [2023-12-03 01:16:11,699 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 508 transitions. [2023-12-03 01:16:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:16:11,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:11,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:11,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:16:11,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 321 states and 502 transitions. [2023-12-03 01:16:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 502 transitions. [2023-12-03 01:16:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-03 01:16:12,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:12,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:16:12,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:12,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:22,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:16:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 321 states and 496 transitions. [2023-12-03 01:16:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 496 transitions. [2023-12-03 01:16:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:16:22,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:16:22,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:16:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:16:22,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:16:22,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:16:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:16:32,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:42,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:16:53,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:03,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:03,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 346 states and 525 transitions. [2023-12-03 01:17:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 525 transitions. [2023-12-03 01:17:03,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-03 01:17:03,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:03,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:03,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:03,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:03,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:03,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:03,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 346 states and 523 transitions. [2023-12-03 01:17:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 523 transitions. [2023-12-03 01:17:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-12-03 01:17:03,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:03,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:03,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:03,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 346 states and 521 transitions. [2023-12-03 01:17:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 521 transitions. [2023-12-03 01:17:03,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-03 01:17:03,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:03,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:04,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:04,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:04,321 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 01:17:14,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 346 states and 519 transitions. [2023-12-03 01:17:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 519 transitions. [2023-12-03 01:17:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:17:14,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:14,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:14,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:14,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 346 states and 517 transitions. [2023-12-03 01:17:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 517 transitions. [2023-12-03 01:17:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 01:17:15,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:15,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:15,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:15,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:17:25,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:35,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:45,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:55,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:17:55,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:55,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 349 states and 519 transitions. [2023-12-03 01:17:55,729 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 519 transitions. [2023-12-03 01:17:55,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 01:17:55,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:55,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:56,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:17:56,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:56,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:17:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:17:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 349 states and 518 transitions. [2023-12-03 01:17:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 518 transitions. [2023-12-03 01:17:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:17:56,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:17:56,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:17:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:17:56,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:17:56,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:17:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:18:07,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:17,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:27,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:37,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:18:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 363 states and 537 transitions. [2023-12-03 01:18:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 537 transitions. [2023-12-03 01:18:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-03 01:18:37,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:18:37,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:18:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:18:37,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:18:37,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:18:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:18:48,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:18:58,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:08,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:18,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:28,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:38,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:48,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:19:59,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:09,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:19,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:29,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:39,621 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 01:20:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:39,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 435 states and 633 transitions. [2023-12-03 01:20:39,653 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 633 transitions. [2023-12-03 01:20:39,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:20:39,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:39,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:40,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:20:40,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:20:40,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 435 states and 629 transitions. [2023-12-03 01:20:40,091 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 629 transitions. [2023-12-03 01:20:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 01:20:40,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:40,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:40,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:20:40,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:20:50,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:20:50,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:20:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 435 states and 627 transitions. [2023-12-03 01:20:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 627 transitions. [2023-12-03 01:20:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:20:50,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:20:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:20:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:20:50,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:20:50,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:20:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:21:01,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:21,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:31,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:21:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 438 states and 629 transitions. [2023-12-03 01:21:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 629 transitions. [2023-12-03 01:21:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:21:31,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:21:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:21:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:21:31,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:21:31,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:21:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:21:41,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:21:51,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:01,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:11,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 441 states and 631 transitions. [2023-12-03 01:22:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 631 transitions. [2023-12-03 01:22:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:22:12,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:12,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:12,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:22:12,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:22:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 441 states and 629 transitions. [2023-12-03 01:22:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 629 transitions. [2023-12-03 01:22:12,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:22:12,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:12,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:13,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:13,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:22:23,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:33,212 WARN L539 Checker$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 01:22:43,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:53,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:22:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:22:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 444 states and 631 transitions. [2023-12-03 01:22:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 631 transitions. [2023-12-03 01:22:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-03 01:22:53,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:22:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:22:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:22:53,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:22:53,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:22:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:23:03,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:14,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:24,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:34,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 447 states and 633 transitions. [2023-12-03 01:23:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 633 transitions. [2023-12-03 01:23:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-03 01:23:34,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:23:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:34,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:23:34,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 01:23:34,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 456 states and 640 transitions. [2023-12-03 01:23:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 640 transitions. [2023-12-03 01:23:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-03 01:23:34,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:23:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:23:35,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:23:35,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:23:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 01:23:45,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:23:55,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:05,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:15,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 488 states and 679 transitions. [2023-12-03 01:24:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 679 transitions. [2023-12-03 01:24:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-03 01:24:15,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:15,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:16,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:16,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:24:17,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:17,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 497 states and 690 transitions. [2023-12-03 01:24:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 690 transitions. [2023-12-03 01:24:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-03 01:24:17,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:17,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:17,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:17,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:17,584 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 01:24:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 498 states and 692 transitions. [2023-12-03 01:24:18,694 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 692 transitions. [2023-12-03 01:24:18,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-03 01:24:18,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:18,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:19,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:24:19,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-03 01:24:29,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:39,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:49,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:59,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:24:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 501 states and 694 transitions. [2023-12-03 01:24:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 694 transitions. [2023-12-03 01:24:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-03 01:24:59,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:59,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:24:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:24:59,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:24:59,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:24:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:24:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:24:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 501 states and 692 transitions. [2023-12-03 01:24:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 692 transitions. [2023-12-03 01:24:59,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-03 01:24:59,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:24:59,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:00,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:25:00,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:25:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 504 states and 694 transitions. [2023-12-03 01:25:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 694 transitions. [2023-12-03 01:25:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-03 01:25:02,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:02,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:25:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:25:12,551 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:25:12,554 INFO L158 Benchmark]: Toolchain (without parser) took 664436.23ms. Allocated memory was 186.6MB in the beginning and 539.0MB in the end (delta: 352.3MB). Free memory was 156.4MB in the beginning and 212.2MB in the end (delta: -55.8MB). Peak memory consumption was 297.3MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,554 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:25:12,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.26ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 102.9MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.76ms. Allocated memory is still 186.6MB. Free memory was 101.9MB in the beginning and 135.6MB in the end (delta: -33.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,555 INFO L158 Benchmark]: Boogie Preprocessor took 148.14ms. Allocated memory is still 186.6MB. Free memory was 135.6MB in the beginning and 115.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,556 INFO L158 Benchmark]: RCFGBuilder took 6865.24ms. Allocated memory was 186.6MB in the beginning and 367.0MB in the end (delta: 180.4MB). Free memory was 115.6MB in the beginning and 82.6MB in the end (delta: 33.0MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,556 INFO L158 Benchmark]: CodeCheck took 656362.40ms. Allocated memory was 367.0MB in the beginning and 539.0MB in the end (delta: 172.0MB). Free memory was 82.6MB in the beginning and 212.2MB in the end (delta: -129.6MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2023-12-03 01:25:12,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 123.7MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.26ms. Allocated memory is still 186.6MB. Free memory was 155.4MB in the beginning and 102.9MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.76ms. Allocated memory is still 186.6MB. Free memory was 101.9MB in the beginning and 135.6MB in the end (delta: -33.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.14ms. Allocated memory is still 186.6MB. Free memory was 135.6MB in the beginning and 115.6MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6865.24ms. Allocated memory was 186.6MB in the beginning and 367.0MB in the end (delta: 180.4MB). Free memory was 115.6MB in the beginning and 82.6MB in the end (delta: 33.0MB). Peak memory consumption was 219.2MB. Max. memory is 16.1GB. * CodeCheck took 656362.40ms. Allocated memory was 367.0MB in the beginning and 539.0MB in the end (delta: 172.0MB). Free memory was 82.6MB in the beginning and 212.2MB in the end (delta: -129.6MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:25:12,767 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:25:12,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/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_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 241cbbc1863278905c5862751ae4b8363464962676a0cc42dc0ceaf22f2782d4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:25:14,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:25:14,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:25:14,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:25:14,557 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:25:14,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:25:14,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:25:14,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:25:14,560 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:25:14,560 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:25:14,561 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:25:14,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:25:14,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:25:14,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:25:14,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:25:14,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:25:14,564 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:25:14,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:25:14,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:25:14,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:25:14,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:25:14,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:25:14,567 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:25:14,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:25:14,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:25:14,569 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:14,569 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:25:14,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:25:14,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:14,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:25:14,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:25:14,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:25:14,571 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:25:14,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:14,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:25:14,572 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:25:14,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:25:14,573 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_752e8919-a1ab-4471-b9b3-3f66f60becb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 241cbbc1863278905c5862751ae4b8363464962676a0cc42dc0ceaf22f2782d4 [2023-12-03 01:25:14,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:25:14,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:25:14,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:25:14,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:25:14,877 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:25:14,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i [2023-12-03 01:25:17,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:25:17,999 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:25:17,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i [2023-12-03 01:25:18,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/d7f2eed4b/2d0843f96a2d43bbb927675e1321ac2a/FLAG278ad57ae [2023-12-03 01:25:18,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/data/d7f2eed4b/2d0843f96a2d43bbb927675e1321ac2a [2023-12-03 01:25:18,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:25:18,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:25:18,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:18,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:25:18,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:25:18,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:18" (1/1) ... [2023-12-03 01:25:18,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5b7c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:18, skipping insertion in model container [2023-12-03 01:25:18,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:25:18" (1/1) ... [2023-12-03 01:25:18,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:18,585 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i[33022,33035] [2023-12-03 01:25:18,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:18,813 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:25:18,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:25:18,855 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i[33022,33035] [2023-12-03 01:25:18,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:18,961 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:25:18,991 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test10-3.i[33022,33035] [2023-12-03 01:25:19,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:25:19,134 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:25:19,142 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:25:19,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19 WrapperNode [2023-12-03 01:25:19,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:25:19,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:19,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:25:19,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:25:19,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,280 INFO L138 Inliner]: procedures = 180, calls = 623, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2484 [2023-12-03 01:25:19,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:25:19,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:25:19,281 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:25:19,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:25:19,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:25:19,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:25:19,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:25:19,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:25:19,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:25:19" (1/1) ... [2023-12-03 01:25:19,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:25:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:25:19,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:25:19,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:25:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-03 01:25:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2023-12-03 01:25:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2023-12-03 01:25:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:25:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:25:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:25:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:25:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:25:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 01:25:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:25:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:25:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:25:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:25:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:25:19,821 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:25:19,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:25:48,495 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:25:49,554 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:25:49,554 INFO L309 CfgBuilder]: Removed 168 assume(true) statements. [2023-12-03 01:25:49,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:49 BoogieIcfgContainer [2023-12-03 01:25:49,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:25:49,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:25:49,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:25:49,568 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:25:49,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:25:49" (1/1) ... [2023-12-03 01:25:49,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:25:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 299 states and 521 transitions. [2023-12-03 01:25:49,638 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 521 transitions. [2023-12-03 01:25:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:25:49,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:49,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:49,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:49,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:49,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:25:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:50,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:50,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:50,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:50,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:50,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:50,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 299 states and 517 transitions. [2023-12-03 01:25:50,327 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 517 transitions. [2023-12-03 01:25:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:25:50,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:50,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:50,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:50,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:25:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:50,855 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:50,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:50,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:50,975 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:25:50,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:25:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 299 states and 513 transitions. [2023-12-03 01:25:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 513 transitions. [2023-12-03 01:25:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:25:51,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:51,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:51,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:25:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:51,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:51,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:51,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:51,529 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 01:25:51,534 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:25:51,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:25:51,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:51,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 299 states and 511 transitions. [2023-12-03 01:25:51,550 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 511 transitions. [2023-12-03 01:25:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:25:51,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:51,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:51,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:51,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:51,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:25:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:52,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:52,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 01:25:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 299 states and 509 transitions. [2023-12-03 01:25:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 509 transitions. [2023-12-03 01:25:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:25:52,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:52,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:52,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:52,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:52,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:25:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:52,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:25:52,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:25:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:25:52,830 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 01:25:52,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2023-12-03 01:25:52,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:25:52,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26 [2023-12-03 01:25:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:52,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:25:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:53,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 301 states and 512 transitions. [2023-12-03 01:25:53,334 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 512 transitions. [2023-12-03 01:25:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:25:53,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:53,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:53,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:53,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:53,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:25:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:53,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:53,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:53,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:53,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:53,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 01:25:53,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 301 states and 509 transitions. [2023-12-03 01:25:53,964 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 509 transitions. [2023-12-03 01:25:53,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-03 01:25:53,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:53,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:53,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:53,967 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:53,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:25:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:54,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:54,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:54,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:54,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:25:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 301 states and 505 transitions. [2023-12-03 01:25:54,624 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 505 transitions. [2023-12-03 01:25:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-03 01:25:54,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:54,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:54,626 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:54,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:25:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:55,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:55,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:55,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:55,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:55,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:25:55,349 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:25:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:55,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 301 states and 499 transitions. [2023-12-03 01:25:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 499 transitions. [2023-12-03 01:25:55,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 01:25:55,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:55,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:55,362 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:55,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:25:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:55,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:56,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:25:56,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:56,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:25:57,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:25:57,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 301 states and 493 transitions. [2023-12-03 01:25:57,109 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 493 transitions. [2023-12-03 01:25:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:25:57,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:25:57,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:25:57,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:25:57,111 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:25:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:25:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:57,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:25:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:25:57,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:25:57,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:25:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:25:58,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:26:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:00,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 315 states and 511 transitions. [2023-12-03 01:26:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 511 transitions. [2023-12-03 01:26:00,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 01:26:00,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:00,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:00,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:00,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:26:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:00,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:01,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:01,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:01,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:26:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 315 states and 509 transitions. [2023-12-03 01:26:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 509 transitions. [2023-12-03 01:26:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-03 01:26:01,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:01,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:01,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:01,216 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:01,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:26:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:01,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:02,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:02,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:02,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:26:02,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:02,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 315 states and 507 transitions. [2023-12-03 01:26:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 507 transitions. [2023-12-03 01:26:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-03 01:26:02,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:02,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:02,215 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:02,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:26:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:02,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:03,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:03,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:03,261 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 01:26:03,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:26:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:03,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 315 states and 505 transitions. [2023-12-03 01:26:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 505 transitions. [2023-12-03 01:26:03,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-03 01:26:03,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:03,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:03,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:03,284 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:03,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:26:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:04,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:04,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:04,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:04,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:26:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 318 states and 507 transitions. [2023-12-03 01:26:04,617 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 507 transitions. [2023-12-03 01:26:04,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-03 01:26:04,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:04,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:04,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:04,619 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:04,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:26:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:05,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:05,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:05,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:05,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:05,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:26:05,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:05,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 318 states and 502 transitions. [2023-12-03 01:26:05,635 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 502 transitions. [2023-12-03 01:26:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-03 01:26:05,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:05,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:05,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:05,637 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:05,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:26:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:06,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:06,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 01:26:06,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:26:06,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:26:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:06,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:06,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:06,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:06,806 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:06,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:26:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:07,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:08,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:08,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:08,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:08,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 01:26:08,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:08,407 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:08,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:08,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:08,410 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:08,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:26:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:09,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:09,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:09,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:09,713 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 01:26:09,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 01:26:09,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:09,739 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:09,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:09,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:09,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:09,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:09,741 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:09,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:26:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:10,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:11,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:11,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:11,261 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 01:26:11,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:26:11,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:11,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:11,288 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:11,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:11,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:11,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:11,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:11,290 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:11,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:26:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:12,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:12,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:12,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:12,712 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 01:26:12,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 01:26:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:12,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:12,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:12,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:12,747 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:12,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:26:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:13,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:14,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:14,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:14,125 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 01:26:14,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:26:14,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:14,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:14,154 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:14,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:14,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:14,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:14,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:14,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:26:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:15,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:15,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:15,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:15,655 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 01:26:15,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:26:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:15,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:15,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:15,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:15,714 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:15,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:26:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:16,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:17,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:17,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:17,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:17,227 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 01:26:17,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:26:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:17,253 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:17,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:17,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:17,255 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:17,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:26:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:18,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:18,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:18,742 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 01:26:18,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:26:18,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:18,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:18,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:18,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:18,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:18,771 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:18,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:26:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:20,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:20,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:20,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:20,431 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 01:26:20,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:26:20,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:20,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:20,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:20,463 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:20,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:26:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:21,822 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:22,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:22,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:22,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:26:22,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:22,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:22,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:22,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:22,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:22,199 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:22,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:26:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:23,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:23,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:23,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:23,850 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 01:26:23,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:26:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:23,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:23,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:23,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:23,889 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:23,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:26:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:25,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:25,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:25,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:25,561 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 01:26:25,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:26:25,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:25,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:25,594 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:25,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:25,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:25,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:25,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:25,597 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:25,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:26:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:27,050 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:27,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:27,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:27,400 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 01:26:27,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:26:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:27,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:27,432 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:27,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:27,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:27,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:27,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:27,435 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:27,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:26:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:28,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:29,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:29,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:29,249 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 01:26:29,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:26:29,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:29,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:29,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:29,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:29,283 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:29,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:26:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:30,582 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:30,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:30,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:30,970 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 01:26:30,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:26:31,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:31,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:31,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:31,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:31,003 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:31,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:26:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:32,543 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:32,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:32,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:32,931 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 01:26:32,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 01:26:32,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:32,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:32,968 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:32,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:26:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:34,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:34,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:34,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:34,800 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 01:26:34,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:26:34,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:34,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:34,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:34,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:34,836 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:34,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:26:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,404 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:36,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:36,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:36,767 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 01:26:36,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 01:26:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:36,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:36,804 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:36,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:36,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:36,806 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:36,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:26:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:38,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:38,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:38,760 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 01:26:38,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:26:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:38,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:38,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:38,798 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:26:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:40,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:40,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:40,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:40,898 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 01:26:40,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:26:40,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:40,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:40,936 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:40,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:40,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:40,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:40,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:40,938 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:40,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:26:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:42,700 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:43,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:43,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:43,087 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 01:26:43,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:26:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:43,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:43,127 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:43,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:43,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:43,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:43,128 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:26:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:44,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:45,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:45,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:45,240 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 01:26:45,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:26:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:45,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:45,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:45,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:45,279 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:45,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:26:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:47,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:47,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:47,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:47,544 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 01:26:47,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:26:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:47,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:47,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:47,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:47,589 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:47,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:26:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:49,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:49,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:49,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:49,829 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 01:26:49,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:26:49,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:49,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:49,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:49,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:49,871 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:26:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:51,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:52,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:52,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:52,188 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 01:26:52,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:26:52,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:52,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:52,229 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:52,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:52,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:52,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:52,231 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:52,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:26:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:54,061 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:54,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:54,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:54,423 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 01:26:54,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:26:54,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:54,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:54,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:54,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:54,466 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:54,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:26:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:56,572 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:56,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:56,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:56,981 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 01:26:57,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:26:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:57,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:57,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:57,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:57,026 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:57,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:26:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:59,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:26:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:26:59,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:26:59,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:26:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:26:59,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 01:26:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:26:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:26:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:26:59,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:26:59,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:26:59,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:26:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:26:59,510 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:26:59,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:27:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:01,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:02,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:02,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:02,117 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 01:27:02,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:27:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:02,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:02,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:02,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:02,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:02,163 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:02,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:27:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:04,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:04,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:04,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:04,553 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 01:27:04,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:27:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:04,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:04,599 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:04,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:27:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:06,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:07,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:07,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:07,105 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 01:27:07,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:27:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:07,151 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:07,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:07,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:07,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:07,153 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:07,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:27:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:09,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:09,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:09,602 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 01:27:09,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:27:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:09,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:09,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:09,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:09,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:09,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:09,647 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:09,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:27:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:11,911 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:12,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:12,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:12,270 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 01:27:12,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:12,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:12,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:12,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:12,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:12,316 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:12,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:27:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:14,379 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:14,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:14,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:14,763 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 01:27:14,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:27:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:14,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:14,791 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:14,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:14,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:14,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:14,792 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:14,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:27:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:16,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:17,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:17,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:17,321 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 01:27:17,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:27:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:17,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:17,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:17,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:17,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:17,350 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:17,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:27:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:19,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:19,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:19,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:19,967 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 01:27:19,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:19,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:19,996 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:19,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:19,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:19,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:19,997 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:19,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:27:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:22,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:22,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:22,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:22,755 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 01:27:22,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:27:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:22,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:22,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:22,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:22,789 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:22,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:27:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:25,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:25,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:25,472 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 01:27:25,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:27:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:25,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:25,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:25,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:25,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:25,504 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:25,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:27:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:27,938 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:28,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:28,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:28,289 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 01:27:28,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 01:27:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:28,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:28,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:28,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:28,318 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:28,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:27:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:31,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:31,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:31,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:31,553 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 01:27:31,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:27:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:31,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:31,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:31,586 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:31,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:27:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:34,074 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:34,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:34,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:34,439 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 01:27:34,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:27:34,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:34,475 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:34,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:34,476 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:34,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:27:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:37,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:37,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:37,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:37,870 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 01:27:37,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:27:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:37,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:37,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:37,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:37,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:37,904 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:37,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:27:40,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:40,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:41,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:41,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:41,072 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 01:27:41,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:41,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:41,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:41,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:41,105 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:41,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:27:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:43,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:44,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:44,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 01:27:44,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-03 01:27:44,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:44,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:44,086 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:44,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:44,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:44,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:44,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:44,088 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:44,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:27:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:46,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:47,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:47,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:47,181 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 01:27:47,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:27:47,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:47,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:47,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:47,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:47,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:47,216 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:47,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:27:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:50,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:50,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:50,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:50,452 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 01:27:50,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:27:50,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:50,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:50,487 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:50,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:50,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:50,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:50,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:50,489 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:50,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:27:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:53,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:53,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:53,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:53,694 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 01:27:53,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:27:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:53,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:53,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:53,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:53,731 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:53,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:27:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:56,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:27:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:56,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:27:56,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:27:56,963 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 01:27:56,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:27:56,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:27:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:27:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:27:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:27:56,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:27:56,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:27:56,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:27:56,998 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:27:56,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:27:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:27:59,875 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:00,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:00,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:00,267 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 01:28:00,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 01:28:00,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:00,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:00,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:00,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:00,300 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:00,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:28:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:03,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:03,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:03,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:03,742 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 01:28:03,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:28:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:03,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:03,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:03,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:03,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:03,777 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:03,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:28:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:06,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:07,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:07,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:07,140 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 01:28:07,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:28:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:07,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:07,173 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:07,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:07,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:07,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:07,175 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:07,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:28:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:10,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:10,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:10,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:10,595 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 01:28:10,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2023-12-03 01:28:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:10,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:10,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:10,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:10,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:10,635 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:10,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:28:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:13,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:13,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:13,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:13,961 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 01:28:13,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:28:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:13,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:13,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:13,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:14,000 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:14,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:28:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:17,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:17,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:17,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:17,466 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 01:28:17,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 01:28:17,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:17,505 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:17,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:17,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:17,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:17,506 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:17,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:28:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:20,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:28:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:28:21,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 01:28:21,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:28:21,091 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 01:28:21,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:28:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:28:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 318 states and 496 transitions. [2023-12-03 01:28:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 496 transitions. [2023-12-03 01:28:21,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-03 01:28:21,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:28:21,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:28:21,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:28:21,130 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:28:21,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_752e8919-a1ab-4471-b9b3-3f66f60becb2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process