./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/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_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/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 64bit --witnessprinter.graph.data.programhash 740169cb7aec884028548f875dd7710b7e8c54465b62519efb8743dcffb7d119 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:55:03,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:55:03,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:55:03,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:55:03,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:55:03,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:55:03,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:55:03,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:55:03,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:55:03,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:55:03,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:55:03,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:55:03,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:55:03,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:55:03,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:55:03,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:55:03,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:55:03,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:55:03,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:55:03,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:55:03,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:55:03,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:55:03,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:55:03,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:55:03,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:55:03,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:55:03,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:55:03,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:55:03,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:55:03,678 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:55:03,679 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 740169cb7aec884028548f875dd7710b7e8c54465b62519efb8743dcffb7d119 [2023-12-03 04:55:03,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:55:03,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:55:03,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:55:03,915 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:55:03,916 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:55:03,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c [2023-12-03 04:55:06,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:55:06,911 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:55:06,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c [2023-12-03 04:55:06,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/009f5a1e9/cb89151640594cbb94561bb8955e50e1/FLAGb8a2fd472 [2023-12-03 04:55:06,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/009f5a1e9/cb89151640594cbb94561bb8955e50e1 [2023-12-03 04:55:06,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:55:06,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:55:06,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:55:06,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:55:06,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:55:06,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:55:06" (1/1) ... [2023-12-03 04:55:06,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ebe402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:06, skipping insertion in model container [2023-12-03 04:55:06,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:55:06" (1/1) ... [2023-12-03 04:55:07,004 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:55:07,156 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c[1280,1293] [2023-12-03 04:55:07,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:55:07,364 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:55:07,374 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c[1280,1293] [2023-12-03 04:55:07,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:55:07,523 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:55:07,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07 WrapperNode [2023-12-03 04:55:07,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:55:07,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:55:07,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:55:07,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:55:07,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,573 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,741 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2185 [2023-12-03 04:55:07,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:55:07,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:55:07,743 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:55:07,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:55:07,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:07,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:55:07,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:55:07,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:55:07,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:55:07,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:55:07" (1/1) ... [2023-12-03 04:55:08,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:55:08,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:55:08,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:55:08,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:55:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:55:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:55:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:55:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:55:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:55:08,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:55:08,299 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:55:08,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:55:09,960 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:55:12,302 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:55:12,303 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:55:12,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:55:12 BoogieIcfgContainer [2023-12-03 04:55:12,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:55:12,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:55:12,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:55:12,314 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:55:12,314 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:55:12" (1/1) ... [2023-12-03 04:55:12,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:55:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 04:55:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 04:55:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:55:12,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:12,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 04:55:25,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:55:28,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:55:28,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:28,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-03 04:55:28,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-03 04:55:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:55:28,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:28,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:55:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:55:46,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:55:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:56:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:56:10,308 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:56:10,311 INFO L158 Benchmark]: Toolchain (without parser) took 63366.44ms. Allocated memory was 123.7MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 83.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 169.0MB. Max. memory is 16.1GB. [2023-12-03 04:56:10,311 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:56:10,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.64ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 88.2MB in the end (delta: -5.4MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-12-03 04:56:10,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 217.27ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 49.0MB in the end (delta: 39.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2023-12-03 04:56:10,313 INFO L158 Benchmark]: Boogie Preprocessor took 249.43ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 94.6MB in the end (delta: -45.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-12-03 04:56:10,314 INFO L158 Benchmark]: RCFGBuilder took 4312.08ms. Allocated memory was 159.4MB in the beginning and 291.5MB in the end (delta: 132.1MB). Free memory was 94.6MB in the beginning and 65.2MB in the end (delta: 29.4MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. [2023-12-03 04:56:10,314 INFO L158 Benchmark]: CodeCheck took 58004.21ms. Allocated memory was 291.5MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 65.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:56:10,318 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.64ms. Allocated memory is still 123.7MB. Free memory was 82.8MB in the beginning and 88.2MB in the end (delta: -5.4MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 217.27ms. Allocated memory is still 123.7MB. Free memory was 88.1MB in the beginning and 49.0MB in the end (delta: 39.1MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 249.43ms. Allocated memory was 123.7MB in the beginning and 159.4MB in the end (delta: 35.7MB). Free memory was 49.0MB in the beginning and 94.6MB in the end (delta: -45.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4312.08ms. Allocated memory was 159.4MB in the beginning and 291.5MB in the end (delta: 132.1MB). Free memory was 94.6MB in the beginning and 65.2MB in the end (delta: 29.4MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. * CodeCheck took 58004.21ms. Allocated memory was 291.5MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 65.2MB in the beginning and 1.1GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:56:10,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/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_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/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 64bit --witnessprinter.graph.data.programhash 740169cb7aec884028548f875dd7710b7e8c54465b62519efb8743dcffb7d119 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:56:12,168 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:56:12,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:56:12,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:56:12,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:56:12,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:56:12,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:56:12,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:56:12,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:56:12,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:56:12,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:56:12,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:56:12,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:56:12,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:56:12,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:56:12,276 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:56:12,276 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:56:12,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:56:12,277 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:56:12,278 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:56:12,278 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:56:12,279 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:56:12,279 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:12,280 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:56:12,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:56:12,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:56:12,282 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:56:12,282 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:56:12,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:56:12,283 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:56:12,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:12,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:56:12,284 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:56:12,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:56:12,285 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 740169cb7aec884028548f875dd7710b7e8c54465b62519efb8743dcffb7d119 [2023-12-03 04:56:12,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:56:12,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:56:12,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:56:12,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:56:12,619 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:56:12,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c [2023-12-03 04:56:15,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:56:15,598 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:56:15,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c [2023-12-03 04:56:15,612 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/eb1e656de/49bd6c8dab5141088bfde671d66ec02b/FLAGe44684231 [2023-12-03 04:56:15,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/data/eb1e656de/49bd6c8dab5141088bfde671d66ec02b [2023-12-03 04:56:15,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:56:15,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:56:15,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:56:15,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:56:15,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:56:15,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:56:15" (1/1) ... [2023-12-03 04:56:15,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee2bd8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:15, skipping insertion in model container [2023-12-03 04:56:15,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:56:15" (1/1) ... [2023-12-03 04:56:15,696 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:56:15,868 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c[1280,1293] [2023-12-03 04:56:16,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:56:16,086 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:56:16,099 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_aa290bdc-b5e6-406a-8997-383ea80eb67e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w64_d16_e0.c[1280,1293] [2023-12-03 04:56:16,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:56:16,186 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:56:16,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16 WrapperNode [2023-12-03 04:56:16,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:56:16,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:56:16,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:56:16,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:56:16,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,287 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 915 [2023-12-03 04:56:16,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:56:16,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:56:16,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:56:16,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:56:16,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,307 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:56:16,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:56:16,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:56:16,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:56:16,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:56:16" (1/1) ... [2023-12-03 04:56:16,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:56:16,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:56:16,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:56:16,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:56:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:56:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:56:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:56:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:56:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:56:16,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:56:16,660 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:56:16,662 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:56:17,387 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:56:17,489 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:56:17,489 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:56:17,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:56:17 BoogieIcfgContainer [2023-12-03 04:56:17,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:56:17,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:56:17,492 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:56:17,501 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:56:17,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:56:17" (1/1) ... [2023-12-03 04:56:17,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:56:17,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 04:56:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 04:56:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:56:17,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:17,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:17,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:17,603 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:17,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:56:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:18,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:18,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 04:56:18,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 04:56:18,624 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:56:18,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:56:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:19,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-03 04:56:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-03 04:56:19,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 04:56:19,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:19,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:19,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:19,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:56:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:20,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:20,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-03 04:56:20,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-03 04:56:21,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:56:22,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:22,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2023-12-03 04:56:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-03 04:56:22,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:56:22,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:22,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:22,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:22,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:22,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:56:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:24,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:25,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 04:56:25,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:56:29,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 04:56:46,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:56:47,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 04:56:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 04:56:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:56:47,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:47,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:47,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:56:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:48,811 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:50,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:56:50,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:56:52,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:56:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:56:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 103 transitions. [2023-12-03 04:56:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 103 transitions. [2023-12-03 04:56:53,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:56:53,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:56:53,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:56:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:56:53,060 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:56:53,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:56:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:54,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:56:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:56:55,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 04:56:55,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:56:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:56:58,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 04:57:11,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:57:21,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:57:22,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:22,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:22,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:22,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:22,356 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:22,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:57:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:23,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:24,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 04:57:24,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:26,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:57:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:26,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:26,784 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:26,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:57:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:28,265 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:28,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:57:28,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:31,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:57:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:31,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:31,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:31,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:31,954 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:31,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:57:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:33,424 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:34,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 04:57:34,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:36,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:57:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:36,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:36,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:36,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:36,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:36,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:57:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:38,299 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:39,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:57:39,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:41,695 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:41,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:57:41,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:41,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:41,817 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:41,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:41,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:41,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:41,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:41,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:41,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:57:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:43,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:43,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:57:43,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:46,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:57:46,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:46,471 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:46,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:46,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:46,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:46,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:46,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:57:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:47,942 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:48,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 04:57:48,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:51,497 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:51,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:57:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:51,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:51,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:51,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:51,587 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:51,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:57:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:53,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:54,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:57:54,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:57:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:57:56,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:57:57,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:57:57,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:57:57,074 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:57:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:57:57,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:57:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:57:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:57:57,076 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:57:57,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:57:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:58,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:57:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:57:59,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:57:59,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:02,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:58:02,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:02,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:02,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:02,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:02,492 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:02,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:58:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:03,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:05,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:05,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:07,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 04:58:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:07,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:07,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:07,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:07,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:07,676 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:07,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:58:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:09,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:09,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:09,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:12,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:58:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:12,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:12,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:12,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:12,535 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:12,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:58:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:14,055 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:14,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:14,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:17,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:58:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:17,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:17,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:17,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:17,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:17,367 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:58:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:18,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:19,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:19,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:22,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:58:22,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:22,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:22,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:22,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:22,334 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:22,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:58:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:23,826 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:24,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:24,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:26,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 04:58:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:27,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:27,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:27,035 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:27,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:58:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:28,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:29,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 04:58:29,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:32,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:58:32,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:32,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:32,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:32,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:32,164 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:32,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:58:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:33,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:34,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:34,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:37,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:58:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:37,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:37,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:37,355 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:37,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:58:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:38,864 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:39,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:58:39,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:42,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:58:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:42,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:42,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:42,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:42,205 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:42,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:58:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:43,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:44,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:58:44,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:46,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:58:46,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:46,887 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:46,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:46,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:46,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:46,889 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:46,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:58:48,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:48,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:49,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:58:49,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:52,176 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:52,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 04:58:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:52,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:52,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:52,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:52,280 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:52,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:58:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:53,747 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:54,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 04:58:54,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:58:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:58:56,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:58:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:58:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:58:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:58:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:58:56,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:58:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:58:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:58:56,460 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:58:56,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:58:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:57,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:58:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:58:58,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 04:58:58,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:00,646 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:00,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:59:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:00,774 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:00,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:00,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:00,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:00,776 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:00,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:59:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:02,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:03,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:59:03,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:06,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:59:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:06,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:06,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:06,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:06,178 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:06,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:59:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:07,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:08,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-03 04:59:08,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:11,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:59:11,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:11,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:11,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:11,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:11,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:11,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:11,192 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:11,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:59:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:12,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:13,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:59:13,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:16,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:59:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:16,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:16,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:16,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:16,215 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:59:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:17,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:18,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:18,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:21,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:59:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:21,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:21,532 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:21,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:59:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:23,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:23,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:23,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 04:59:23,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:26,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:59:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:26,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:26,400 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:26,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:59:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:27,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:28,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:28,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:31,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:59:31,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:31,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:31,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:31,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:31,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:31,179 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:31,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:59:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:32,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:33,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-03 04:59:33,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:35,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:59:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:35,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:35,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:35,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:35,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:35,380 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:35,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:59:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:36,957 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:37,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:37,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:40,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:59:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:40,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:40,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:40,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:40,150 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:40,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:59:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:41,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:42,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:42,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:45,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 04:59:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:45,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:45,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:45,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:45,098 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:45,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:59:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:46,610 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:47,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:47,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:49,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:59:50,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:50,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:50,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:50,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:50,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:50,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:50,006 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:50,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:59:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:51,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:52,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:52,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:59:54,835 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 04:59:54,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:59:54,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:59:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 04:59:54,922 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 04:59:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:59:54,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:59:54,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:59:54,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:59:54,924 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:59:54,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:59:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:56,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:59:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:59:57,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 04:59:57,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 05:00:00,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-03 05:00:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 05:00:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 05:00:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 05:00:00,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:00,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:00,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:00,103 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:00,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 05:00:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:01,690 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:02,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 170 conjunts are in the unsatisfiable core [2023-12-03 05:00:02,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 05:00:04,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 05:00:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 05:00:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 05:00:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 05:00:05,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:05,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:05,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:05,070 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:05,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 05:00:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:06,657 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:07,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-03 05:00:07,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:10,156 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 05:00:10,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 05:00:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 125 transitions. [2023-12-03 05:00:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2023-12-03 05:00:10,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 05:00:10,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:10,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:10,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:10,252 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:10,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 05:00:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:11,773 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:12,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 1745 conjuncts, 175 conjunts are in the unsatisfiable core [2023-12-03 05:00:12,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 05:00:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-03 05:00:17,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 05:00:35,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:00:40,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 05:00:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 05:00:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 84 states and 158 transitions. [2023-12-03 05:00:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 158 transitions. [2023-12-03 05:00:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-03 05:00:40,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 05:00:40,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 05:00:40,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 05:00:40,689 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 05:00:40,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 05:00:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 05:00:43,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 05:00:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 05:00:54,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 05:00:54,197 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 05:00:54,200 INFO L158 Benchmark]: Toolchain (without parser) took 278568.99ms. Allocated memory was 81.8MB in the beginning and 696.3MB in the end (delta: 614.5MB). Free memory was 56.9MB in the beginning and 343.3MB in the end (delta: -286.4MB). Peak memory consumption was 331.1MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,200 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 05:00:54,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.81ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 42.4MB in the end (delta: 14.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.62ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 56.4MB in the end (delta: -14.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,201 INFO L158 Benchmark]: Boogie Preprocessor took 76.87ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 51.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,202 INFO L158 Benchmark]: RCFGBuilder took 1125.23ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 51.8MB in the beginning and 65.5MB in the end (delta: -13.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,202 INFO L158 Benchmark]: CodeCheck took 276707.94ms. Allocated memory was 98.6MB in the beginning and 696.3MB in the end (delta: 597.7MB). Free memory was 64.9MB in the beginning and 343.3MB in the end (delta: -278.4MB). Peak memory consumption was 320.1MB. Max. memory is 16.1GB. [2023-12-03 05:00:54,204 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 0.32ms. Allocated memory is still 60.8MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.81ms. Allocated memory is still 81.8MB. Free memory was 56.6MB in the beginning and 42.4MB in the end (delta: 14.2MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.62ms. Allocated memory is still 81.8MB. Free memory was 42.4MB in the beginning and 56.4MB in the end (delta: -14.0MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.87ms. Allocated memory is still 81.8MB. Free memory was 56.4MB in the beginning and 51.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1125.23ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 51.8MB in the beginning and 65.5MB in the end (delta: -13.7MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * CodeCheck took 276707.94ms. Allocated memory was 98.6MB in the beginning and 696.3MB in the end (delta: 597.7MB). Free memory was 64.9MB in the beginning and 343.3MB in the end (delta: -278.4MB). Peak memory consumption was 320.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 05:00:54,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa290bdc-b5e6-406a-8997-383ea80eb67e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown