./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:12:09,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:12:09,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:12:09,338 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:12:09,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:12:09,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:12:09,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:12:09,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:12:09,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:12:09,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:12:09,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:12:09,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:12:09,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:12:09,364 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:12:09,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:09,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:12:09,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-12-06 01:12:09,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:12:09,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:12:09,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:12:09,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:12:09,620 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:12:09,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-12-06 01:12:12,818 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/8e405976d/9de0ad7972ed459a8039fc071bb24cd0/FLAG3fdd634d2 [2024-12-06 01:12:13,036 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:12:13,037 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-12-06 01:12:13,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/8e405976d/9de0ad7972ed459a8039fc071bb24cd0/FLAG3fdd634d2 [2024-12-06 01:12:13,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/8e405976d/9de0ad7972ed459a8039fc071bb24cd0 [2024-12-06 01:12:13,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:12:13,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:12:13,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:13,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:12:13,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:12:13,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e52996c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13, skipping insertion in model container [2024-12-06 01:12:13,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:12:13,258 WARN L250 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_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-12-06 01:12:13,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:13,292 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:12:13,305 WARN L250 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_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-12-06 01:12:13,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:12:13,329 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:12:13,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13 WrapperNode [2024-12-06 01:12:13,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:12:13,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:13,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:12:13,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:12:13,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,363 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-06 01:12:13,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:12:13,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:12:13,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:12:13,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:12:13,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:12:13,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:12:13,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:12:13,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:12:13,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:12:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:12:13,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:12:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:12:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:12:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:12:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:12:13,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:12:13,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:12:13,512 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:12:13,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:12:13,685 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:12:13,685 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:12:13,737 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:12:13,737 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:12:13,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:12:13 BoogieIcfgContainer [2024-12-06 01:12:13,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:12:13,739 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:12:13,739 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:12:13,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:12:13,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:12:13" (1/1) ... [2024-12-06 01:12:13,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:12:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-06 01:12:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-06 01:12:13,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:12:13,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:13,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:13,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 01:12:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 01:12:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:12:13,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-06 01:12:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-06 01:12:14,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:12:14,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:14,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-06 01:12:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-06 01:12:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:12:14,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:14,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:12:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-12-06 01:12:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 01:12:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:12:15,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:12:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:15,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:12:15,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:12:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-12-06 01:12:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-12-06 01:12:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:12:16,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:12:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:16,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:12:16,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:12:17,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-12-06 01:12:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-06 01:12:17,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:12:17,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:17,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:17,769 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:12:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-12-06 01:12:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-12-06 01:12:19,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:12:19,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:12:19,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:19,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 108 transitions. [2024-12-06 01:12:19,950 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 108 transitions. [2024-12-06 01:12:19,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:12:19,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:19,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:12:53,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:12:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 122 transitions. [2024-12-06 01:12:58,049 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 122 transitions. [2024-12-06 01:12:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:12:58,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:58,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:12:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:13:00,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:00,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 61 states and 130 transitions. [2024-12-06 01:13:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 130 transitions. [2024-12-06 01:13:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:13:00,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:13:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2024-12-06 01:13:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2024-12-06 01:13:01,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:13:01,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:01,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:01,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:13:01,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:13:08,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:08,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 69 states and 151 transitions. [2024-12-06 01:13:08,130 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 151 transitions. [2024-12-06 01:13:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:13:08,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:08,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:08,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:13:08,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:08,301 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:13:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 73 states and 159 transitions. [2024-12-06 01:13:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 159 transitions. [2024-12-06 01:13:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:13:11,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:11,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:13:11,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:13:13,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:13,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 160 transitions. [2024-12-06 01:13:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 160 transitions. [2024-12-06 01:13:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:13:13,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:13,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:13,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:13:13,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:13:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 78 states and 171 transitions. [2024-12-06 01:13:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 171 transitions. [2024-12-06 01:13:15,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:13:15,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:15,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:13:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 83 states and 184 transitions. [2024-12-06 01:13:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2024-12-06 01:13:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:13:20,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:20,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:13:27,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:27,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 205 transitions. [2024-12-06 01:13:27,049 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 205 transitions. [2024-12-06 01:13:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:13:27,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:27,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:13:27,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:38,404 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:13:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 101 states and 237 transitions. [2024-12-06 01:13:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 237 transitions. [2024-12-06 01:13:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:13:57,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:57,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:13:57,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:15:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 108 states and 258 transitions. [2024-12-06 01:15:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 258 transitions. [2024-12-06 01:15:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:15:16,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:15:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 114 states and 282 transitions. [2024-12-06 01:15:21,289 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 282 transitions. [2024-12-06 01:15:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:15:21,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:21,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:21,368 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:15:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 114 states and 281 transitions. [2024-12-06 01:15:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 281 transitions. [2024-12-06 01:15:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:15:22,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:22,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:15:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-12-06 01:15:33,859 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:15:45,339 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:15:56,589 WARN L286 SmtUtils]: Spent 10.02s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:16:07,676 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:16:18,473 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 23 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:16:30,416 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:16:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 118 states and 295 transitions. [2024-12-06 01:16:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 295 transitions. [2024-12-06 01:16:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:16:30,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:30,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 01:16:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:34,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 120 states and 300 transitions. [2024-12-06 01:16:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 300 transitions. [2024-12-06 01:16:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:16:34,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:34,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-06 01:16:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:35,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 122 states and 302 transitions. [2024-12-06 01:16:35,997 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 302 transitions. [2024-12-06 01:16:35,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:16:35,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:35,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:16:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:16:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:36,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:16:36,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 01:16:49,271 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:17:01,038 WARN L286 SmtUtils]: Spent 10.38s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 01:17:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:09,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 128 states and 328 transitions. [2024-12-06 01:17:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 328 transitions. [2024-12-06 01:17:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:17:09,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:09,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:17:09,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:09,450 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 01:17:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 130 states and 335 transitions. [2024-12-06 01:17:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 335 transitions. [2024-12-06 01:17:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:17:11,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:11,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:12,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:17:12,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 01:17:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 132 states and 339 transitions. [2024-12-06 01:17:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 339 transitions. [2024-12-06 01:17:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:17:15,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:15,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 01:17:15,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-06 01:17:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 134 states and 342 transitions. [2024-12-06 01:17:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 342 transitions. [2024-12-06 01:17:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 01:17:20,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:20,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:30,491 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:485) 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) [2024-12-06 01:17:30,495 INFO L158 Benchmark]: Toolchain (without parser) took 317428.97ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.5MB in the beginning and 108.8MB in the end (delta: -16.2MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2024-12-06 01:17:30,496 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:17:30,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.05ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:30,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.19ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:17:30,497 INFO L158 Benchmark]: Boogie Preprocessor took 23.00ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 837.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:30,497 INFO L158 Benchmark]: RCFGBuilder took 350.61ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 65.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:30,498 INFO L158 Benchmark]: CodeCheck took 316755.83ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 65.3MB in the beginning and 108.8MB in the end (delta: -43.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-12-06 01:17:30,500 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.05ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.19ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.00ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 79.0MB in the end (delta: 837.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 350.61ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 65.5MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 316755.83ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 65.3MB in the beginning and 108.8MB in the end (delta: -43.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:17:30,707 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:17:30,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:17:32,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:17:32,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:17:32,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:17:32,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:17:32,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:17:32,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:17:32,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:17:32,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:17:32,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:17:32,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:17:32,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:17:32,938 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:32,938 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:17:32,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:17:32,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:17:32,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:17:32,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9692f5b55a240b01d2d0c222255869fb052ffe02a605ab1c8e72ef46a070f8cd [2024-12-06 01:17:33,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:17:33,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:17:33,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:17:33,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:17:33,227 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:17:33,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-12-06 01:17:36,481 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/674bbf652/47b0f1a0a5b34a51a69a10fae0763674/FLAGcfd6a2528 [2024-12-06 01:17:36,662 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:17:36,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c [2024-12-06 01:17:36,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/674bbf652/47b0f1a0a5b34a51a69a10fae0763674/FLAGcfd6a2528 [2024-12-06 01:17:36,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/data/674bbf652/47b0f1a0a5b34a51a69a10fae0763674 [2024-12-06 01:17:36,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:17:36,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:17:36,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:17:36,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:17:36,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:17:36,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb0dd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36, skipping insertion in model container [2024-12-06 01:17:36,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:17:36,818 WARN L250 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_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-12-06 01:17:36,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:17:36,849 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:17:36,859 WARN L250 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_39c0e759-3023-434d-b32b-423ec2c9f371/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound50.c[537,550] [2024-12-06 01:17:36,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:17:36,883 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:17:36,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36 WrapperNode [2024-12-06 01:17:36,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:17:36,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:17:36,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:17:36,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:17:36,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,913 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-06 01:17:36,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:17:36,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:17:36,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:17:36,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:17:36,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:17:36,937 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:17:36,937 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:17:36,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:17:36,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:36" (1/1) ... [2024-12-06 01:17:36,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:17:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:17:36,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:17:36,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:17:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:17:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:17:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:17:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:17:37,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:17:37,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:17:37,068 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:17:37,069 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:17:37,229 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:17:37,229 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:17:37,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:17:37,292 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:17:37,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:17:37 BoogieIcfgContainer [2024-12-06 01:17:37,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:17:37,294 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:17:37,294 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:17:37,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:17:37,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:17:37" (1/1) ... [2024-12-06 01:17:37,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:17:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-06 01:17:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-06 01:17:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:17:37,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:37,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:37,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:37,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:17:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:17:37,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:37,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:37,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:17:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 01:17:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 01:17:37,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:17:37,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:37,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:37,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:37,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:37,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:17:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:37,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:37,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:17:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-06 01:17:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-06 01:17:37,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:17:37,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:37,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:37,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:37,856 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:37,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:17:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 01:17:37,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:38,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 01:17:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-06 01:17:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-06 01:17:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:17:38,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:38,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:38,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:38,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:38,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:17:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:38,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:38,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:38,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:38,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:38,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:17:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-06 01:17:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 01:17:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:17:38,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:38,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:38,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:38,941 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:38,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:17:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:39,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:39,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:17:39,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:39,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 01:17:39,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:17:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-12-06 01:17:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-12-06 01:17:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:17:40,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:40,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:40,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:40,859 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:40,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:17:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:40,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:40,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:17:40,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:17:41,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:17:41,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:41,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-12-06 01:17:41,568 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-12-06 01:17:41,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:17:41,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:41,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:41,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:41,571 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:41,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:17:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:41,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:41,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:17:41,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:17:41,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:17:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2024-12-06 01:17:44,286 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2024-12-06 01:17:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:17:44,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:44,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:44,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:44,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:17:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:44,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:44,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:17:44,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:17:44,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:17:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:45,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 58 states and 136 transitions. [2024-12-06 01:17:45,227 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2024-12-06 01:17:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:17:45,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:45,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:45,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:45,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:45,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:17:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:45,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:45,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:17:45,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:17:46,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:17:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-12-06 01:17:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-12-06 01:17:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:17:56,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:56,223 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:56,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:17:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:56,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:56,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:56,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:17:56,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:17:57,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 151 transitions. [2024-12-06 01:17:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 151 transitions. [2024-12-06 01:17:57,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:17:57,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:57,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:57,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:57,008 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:57,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:17:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:57,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:57,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:17:57,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-06 01:17:57,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:18:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 71 states and 175 transitions. [2024-12-06 01:18:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 175 transitions. [2024-12-06 01:18:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:18:03,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:03,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:03,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:03,087 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:03,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:18:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:03,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:03,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:18:03,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:18:03,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:18:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 74 states and 189 transitions. [2024-12-06 01:18:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 189 transitions. [2024-12-06 01:18:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:18:05,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:05,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:05,199 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:05,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:18:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:05,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:05,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 01:18:05,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:18:05,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:18:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2024-12-06 01:18:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2024-12-06 01:18:11,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:18:11,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:11,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:11,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:18:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:11,322 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:11,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:11,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:11,771 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:18:11,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:18:13,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:13,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 82 states and 213 transitions. [2024-12-06 01:18:13,343 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 213 transitions. [2024-12-06 01:18:13,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:18:13,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:13,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:13,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:13,347 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:13,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:18:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:13,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:13,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:18:13,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 01:18:13,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:18:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 84 states and 219 transitions. [2024-12-06 01:18:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 219 transitions. [2024-12-06 01:18:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:18:14,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:14,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:14,410 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:14,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:18:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:14,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:14,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:18:14,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:18:15,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:18:22,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 94 states and 289 transitions. [2024-12-06 01:18:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 289 transitions. [2024-12-06 01:18:22,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:18:22,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:22,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:22,238 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:22,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:18:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:22,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:22,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:18:22,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 25 proven. 23 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 01:18:22,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:18:34,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 97 states and 298 transitions. [2024-12-06 01:18:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 298 transitions. [2024-12-06 01:18:34,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:18:34,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:34,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:34,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:34,596 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:18:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:34,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:34,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:18:34,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 01:18:35,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:18:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 99 states and 304 transitions. [2024-12-06 01:18:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 304 transitions. [2024-12-06 01:18:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:18:42,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:42,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:42,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:42,774 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:42,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:18:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:42,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:42,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:42,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:42,907 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-06 01:18:42,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:18:44,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 101 states and 305 transitions. [2024-12-06 01:18:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 305 transitions. [2024-12-06 01:18:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 01:18:44,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:44,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:44,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:44,337 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:44,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:18:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:44,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:44,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 01:18:44,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 01:18:45,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:18:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 107 states and 337 transitions. [2024-12-06 01:18:54,435 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 337 transitions. [2024-12-06 01:18:54,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 01:18:54,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:54,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:54,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:54,438 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:54,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:18:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:54,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:54,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 01:18:54,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:56,917 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-06 01:18:56,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:19:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 121 states and 388 transitions. [2024-12-06 01:19:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 388 transitions. [2024-12-06 01:19:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 01:19:14,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:14,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:14,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:14,894 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:14,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:19:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:15,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:15,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:19:15,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:19:16,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:19:24,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:24,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 126 states and 401 transitions. [2024-12-06 01:19:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 401 transitions. [2024-12-06 01:19:24,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:19:24,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:24,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:24,872 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:24,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:19:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:25,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:25,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 01:19:25,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 01:19:27,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:19:35,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 129 states and 413 transitions. [2024-12-06 01:19:35,928 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 413 transitions. [2024-12-06 01:19:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 01:19:35,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:35,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:35,931 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:35,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:19:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:36,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:36,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:19:36,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-12-06 01:19:36,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:19:37,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:37,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 131 states and 422 transitions. [2024-12-06 01:19:37,840 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 422 transitions. [2024-12-06 01:19:37,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 01:19:37,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:37,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:37,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:37,845 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:37,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:19:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:38,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:38,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:19:38,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:19:39,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:19:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 141 states and 512 transitions. [2024-12-06 01:19:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 512 transitions. [2024-12-06 01:19:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:19:56,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:56,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:56,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:56,832 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:56,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:19:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:56,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:56,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:19:56,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:57,193 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 41 proven. 35 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-06 01:19:57,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:20:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 142 states and 513 transitions. [2024-12-06 01:20:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 513 transitions. [2024-12-06 01:20:02,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:20:02,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:02,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:02,624 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:02,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:20:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:02,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:02,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:20:02,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-06 01:20:03,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:20:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 144 states and 521 transitions. [2024-12-06 01:20:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 521 transitions. [2024-12-06 01:20:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-06 01:20:13,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:13,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:13,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:13,646 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:13,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:20:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:13,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:13,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:13,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-12-06 01:20:13,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:20:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 146 states and 522 transitions. [2024-12-06 01:20:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 522 transitions. [2024-12-06 01:20:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 01:20:16,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:16,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:16,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:16,488 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:16,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:20:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:16,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:17,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:20:17,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 67 proven. 36 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-06 01:20:19,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:20:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 149 states and 553 transitions. [2024-12-06 01:20:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 553 transitions. [2024-12-06 01:20:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-12-06 01:20:27,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:27,786 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:27,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:20:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:27,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:27,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:27,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 26 proven. 11 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 01:20:28,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:20:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 150 states and 554 transitions. [2024-12-06 01:20:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 554 transitions. [2024-12-06 01:20:34,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 01:20:34,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:34,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:34,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:34,040 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:34,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:20:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:34,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:34,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:20:34,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 41 proven. 68 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 01:20:35,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-12-06 01:20:51,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 156 states and 594 transitions. [2024-12-06 01:20:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 594 transitions. [2024-12-06 01:20:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-06 01:20:51,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:51,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:51,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:51,955 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:51,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:20:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:52,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:52,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:20:52,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 01:20:53,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:21:00,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 158 states and 599 transitions. [2024-12-06 01:21:00,660 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 599 transitions. [2024-12-06 01:21:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 01:21:00,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:00,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:00,663 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:00,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:21:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:00,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:00,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:21:00,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:21:02,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 01:21:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 163 states and 613 transitions. [2024-12-06 01:21:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 613 transitions. [2024-12-06 01:21:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 01:21:18,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:18,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:18,823 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:18,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 01:21:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:19,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:19,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:21:19,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:21:19,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 01:21:30,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 166 states and 624 transitions. [2024-12-06 01:21:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 624 transitions. [2024-12-06 01:21:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 01:21:30,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:30,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:30,902 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:30,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 01:21:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:31,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:31,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:21:31,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 49 proven. 66 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-06 01:21:35,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 01:22:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 180 states and 674 transitions. [2024-12-06 01:22:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 674 transitions. [2024-12-06 01:22:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-06 01:22:07,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:07,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:07,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:07,926 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:07,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 01:22:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:08,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:08,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:22:08,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:22:08,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 01:22:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 186 states and 765 transitions. [2024-12-06 01:22:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 765 transitions. [2024-12-06 01:22:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 01:22:24,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:24,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:24,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:24,580 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:24,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 01:22:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:24,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:24,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:22:24,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-06 01:22:28,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 01:22:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 189 states and 781 transitions. [2024-12-06 01:22:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 781 transitions. [2024-12-06 01:22:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 01:22:42,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:42,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:42,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:42,040 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:42,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 01:22:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:42,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:42,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:22:42,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 24 proven. 252 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 01:22:42,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 01:22:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:55,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 193 states and 791 transitions. [2024-12-06 01:22:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 791 transitions. [2024-12-06 01:22:55,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 01:22:55,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:55,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:55,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:55,293 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 01:22:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:55,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:55,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:22:55,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2024-12-06 01:22:55,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 01:22:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 195 states and 794 transitions. [2024-12-06 01:22:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 794 transitions. [2024-12-06 01:22:58,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 01:22:58,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:58,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:58,342 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:58,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 01:22:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:58,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:58,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 01:22:58,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:59,867 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 01:22:59,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 01:23:10,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 198 states and 805 transitions. [2024-12-06 01:23:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 805 transitions. [2024-12-06 01:23:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 01:23:10,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:10,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:10,540 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:10,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 01:23:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:10,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:10,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:23:10,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:10,851 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 57 proven. 47 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-12-06 01:23:10,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 01:23:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:18,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 199 states and 806 transitions. [2024-12-06 01:23:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 806 transitions. [2024-12-06 01:23:18,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 01:23:18,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:18,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:18,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:18,045 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:18,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 01:23:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:18,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:18,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:23:18,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:18,521 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-12-06 01:23:18,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 01:23:31,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:31,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 201 states and 816 transitions. [2024-12-06 01:23:31,549 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 816 transitions. [2024-12-06 01:23:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-06 01:23:31,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:31,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:31,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:31,552 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:31,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 01:23:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:31,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:31,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:23:31,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:23:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-06 01:23:31,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 01:23:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:23:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 203 states and 817 transitions. [2024-12-06 01:23:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 817 transitions. [2024-12-06 01:23:35,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-06 01:23:35,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:23:35,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:23:35,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:23:35,220 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:23:35,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 01:23:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:35,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:23:35,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:23:35,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:23:35,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:26:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 38 proven. 5 refuted. 6 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-06 01:26:31,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39c0e759-3023-434d-b32b-423ec2c9f371/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0