./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:05:58,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:05:58,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:05:58,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:05:58,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:05:58,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:05:58,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:05:58,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:05:58,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:05:58,432 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:05:58,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:05:58,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:05:58,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:05:58,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:05:58,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:05:58,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:05:58,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:05:58,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:05:58,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:05:58,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:05:58,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:05:58,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:05:58,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:05:58,435 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:05:58,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:05:58,435 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_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-25 03:05:58,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:05:58,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:05:58,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:05:58,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:05:58,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:05:58,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-25 03:06:01,946 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/911a8ab9c/12effae8f7e94bd0a5a87fba0b866a1e/FLAG3dd76a7d3 [2024-11-25 03:06:02,440 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:06:02,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-25 03:06:02,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/911a8ab9c/12effae8f7e94bd0a5a87fba0b866a1e/FLAG3dd76a7d3 [2024-11-25 03:06:02,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/911a8ab9c/12effae8f7e94bd0a5a87fba0b866a1e [2024-11-25 03:06:02,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:06:02,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:06:02,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:02,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:06:02,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:06:02,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:02" (1/1) ... [2024-11-25 03:06:02,506 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45341ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:02, skipping insertion in model container [2024-11-25 03:06:02,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:06:02" (1/1) ... [2024-11-25 03:06:02,571 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:06:02,784 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_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-25 03:06:03,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:03,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:06:03,057 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_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-25 03:06:03,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:06:03,207 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:06:03,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03 WrapperNode [2024-11-25 03:06:03,208 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:06:03,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:03,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:06:03,210 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:06:03,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,479 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1678 [2024-11-25 03:06:03,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:06:03,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:06:03,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:06:03,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:06:03,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,762 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:06:03,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:06:03,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:06:03,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:06:03,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:06:03" (1/1) ... [2024-11-25 03:06:03,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:06:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:06:03,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:06:03,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:06:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:06:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:06:03,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:06:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:06:04,310 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:06:04,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:06:07,164 INFO L? ?]: Removed 1068 outVars from TransFormulas that were not future-live. [2024-11-25 03:06:07,164 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:06:10,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:06:10,259 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:06:10,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:10 BoogieIcfgContainer [2024-11-25 03:06:10,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:06:10,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:06:10,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:06:10,273 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:06:10,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:06:10" (1/1) ... [2024-11-25 03:06:10,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:06:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:10,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:06:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:06:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:06:10,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:10,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:06:21,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:06:31,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:06:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:06:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:06:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:06:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:06:31,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:06:31,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:06:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:06:41,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:06:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:01,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:06,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:16,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:26,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:36,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:46,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:07:56,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:08:06,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:08:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-25 03:08:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-25 03:08:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:08:07,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:07,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:08:15,397 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:08:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:08:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:08:31,809 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) [2024-11-25 03:08:31,817 INFO L158 Benchmark]: Toolchain (without parser) took 149324.66ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 104.9MB in the beginning and 973.2MB in the end (delta: -868.3MB). Peak memory consumption was 401.0MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,817 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:08:31,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.60ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 72.7MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 270.10ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 33.1MB in the end (delta: 39.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,822 INFO L158 Benchmark]: Boogie Preprocessor took 418.26ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 33.1MB in the beginning and 85.4MB in the end (delta: -52.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,823 INFO L158 Benchmark]: RCFGBuilder took 6358.31ms. Allocated memory was 151.0MB in the beginning and 578.8MB in the end (delta: 427.8MB). Free memory was 85.4MB in the beginning and 368.1MB in the end (delta: -282.7MB). Peak memory consumption was 262.5MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,823 INFO L158 Benchmark]: CodeCheck took 141554.90ms. Allocated memory was 578.8MB in the beginning and 1.4GB in the end (delta: 830.5MB). Free memory was 368.1MB in the beginning and 973.2MB in the end (delta: -605.1MB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. [2024-11-25 03:08:31,826 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 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.60ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 72.7MB in the end (delta: 32.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 270.10ms. Allocated memory is still 142.6MB. Free memory was 72.7MB in the beginning and 33.1MB in the end (delta: 39.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 418.26ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 33.1MB in the beginning and 85.4MB in the end (delta: -52.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6358.31ms. Allocated memory was 151.0MB in the beginning and 578.8MB in the end (delta: 427.8MB). Free memory was 85.4MB in the beginning and 368.1MB in the end (delta: -282.7MB). Peak memory consumption was 262.5MB. Max. memory is 16.1GB. * CodeCheck took 141554.90ms. Allocated memory was 578.8MB in the beginning and 1.4GB in the end (delta: 830.5MB). Free memory was 368.1MB in the beginning and 973.2MB in the end (delta: -605.1MB). Peak memory consumption was 232.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:08:31,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:08:34,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:08:35,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 03:08:35,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:08:35,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:08:35,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:08:35,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:08:35,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:08:35,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:08:35,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:08:35,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:08:35,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:08:35,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:08:35,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:08:35,065 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:08:35,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:08:35,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:08:35,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:08:35,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:08:35,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:08:35,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:08:35,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:08:35,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:08:35,067 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:35,068 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:08:35,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:08:35,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:35,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:08:35,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:08:35,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:08:35,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:08:35,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:35,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:08:35,070 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_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e75acc5dea77a52694df76103c51840072f3a9cdbcfeb4df332aef49d637e9f [2024-11-25 03:08:35,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:08:35,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:08:35,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:08:35,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:08:35,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:08:35,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-25 03:08:38,902 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/fca7ace4c/c6926aa8e5c048bbbedcac4d50812253/FLAG201bf9d20 [2024-11-25 03:08:39,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:08:39,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c [2024-11-25 03:08:39,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/fca7ace4c/c6926aa8e5c048bbbedcac4d50812253/FLAG201bf9d20 [2024-11-25 03:08:39,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/data/fca7ace4c/c6926aa8e5c048bbbedcac4d50812253 [2024-11-25 03:08:39,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:08:39,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:08:39,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:39,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:08:39,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:08:39,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:39" (1/1) ... [2024-11-25 03:08:39,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e865ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:39, skipping insertion in model container [2024-11-25 03:08:39,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:08:39" (1/1) ... [2024-11-25 03:08:39,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:08:39,600 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_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-25 03:08:39,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:39,916 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:08:39,929 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_1f856db9-9f60-4b86-ae92-7fa609741562/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_state_machine.c[1256,1269] [2024-11-25 03:08:40,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:08:40,060 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:08:40,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40 WrapperNode [2024-11-25 03:08:40,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:08:40,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:40,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:08:40,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:08:40,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,163 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 702 [2024-11-25 03:08:40,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:08:40,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:08:40,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:08:40,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:08:40,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:08:40,243 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:08:40,243 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:08:40,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:08:40,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:08:40" (1/1) ... [2024-11-25 03:08:40,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:08:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:08:40,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:08:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:08:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:08:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:08:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:08:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:08:40,658 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:08:40,661 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:08:41,526 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 03:08:41,527 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:08:41,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:08:41,590 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:08:41,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:41 BoogieIcfgContainer [2024-11-25 03:08:41,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:08:41,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:08:41,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:08:41,604 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:08:41,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:08:41" (1/1) ... [2024-11-25 03:08:41,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:08:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:08:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:08:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:08:41,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:41,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:41,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:41,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:41,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:08:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:42,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:42,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:08:42,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:42,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:08:42,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 03:08:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 03:08:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:08:42,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:42,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:42,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:42,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:42,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:08:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:43,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:43,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:08:43,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:43,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 03:08:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-11-25 03:08:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-11-25 03:08:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:08:44,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:44,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:44,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:44,193 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:44,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:08:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:44,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:45,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-25 03:08:45,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:46,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:08:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:48,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2024-11-25 03:08:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2024-11-25 03:08:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:08:48,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:48,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:48,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:48,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:48,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:08:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:49,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:49,295 WARN L254 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-25 03:08:49,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:08:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:08:51,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 03:08:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:57,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 27 states and 64 transitions. [2024-11-25 03:08:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 64 transitions. [2024-11-25 03:08:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:08:57,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:57,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:08:57,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:08:57,708 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:08:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:08:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:58,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:08:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:58,696 WARN L254 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-25 03:08:58,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:01,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:09:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 34 states and 87 transitions. [2024-11-25 03:09:08,490 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 87 transitions. [2024-11-25 03:09:08,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:09:08,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:08,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:08,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:08,493 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:08,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:09:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:09,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:09,494 WARN L254 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-25 03:09:09,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:11,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 37 states and 98 transitions. [2024-11-25 03:09:14,451 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 98 transitions. [2024-11-25 03:09:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 03:09:14,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:14,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:14,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:14,454 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:09:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:15,394 WARN L254 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-25 03:09:15,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:17,292 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:17,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:09:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 40 states and 109 transitions. [2024-11-25 03:09:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 109 transitions. [2024-11-25 03:09:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:09:20,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:20,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:20,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:20,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:20,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:09:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:21,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:22,045 WARN L254 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-25 03:09:22,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:28,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:09:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 52 states and 142 transitions. [2024-11-25 03:09:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 142 transitions. [2024-11-25 03:09:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:09:42,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:42,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:42,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:42,995 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:42,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:09:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:43,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:44,135 WARN L254 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-25 03:09:44,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:46,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 03:09:56,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:56,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 58 states and 162 transitions. [2024-11-25 03:09:56,178 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 162 transitions. [2024-11-25 03:09:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:09:56,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:09:56,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:09:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:09:56,183 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:09:56,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:09:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:57,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:09:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:57,323 WARN L254 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-25 03:09:57,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:09:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:09:59,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:10:02,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 60 states and 168 transitions. [2024-11-25 03:10:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 168 transitions. [2024-11-25 03:10:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:10:02,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:02,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:02,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:02,976 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:02,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:10:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:04,370 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:10:04,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:10,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:10:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 66 states and 193 transitions. [2024-11-25 03:10:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 193 transitions. [2024-11-25 03:10:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:10:21,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:21,644 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:21,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:10:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:22,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:22,884 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:10:22,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:27,168 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:27,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:10:32,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:32,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 69 states and 206 transitions. [2024-11-25 03:10:32,836 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 206 transitions. [2024-11-25 03:10:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:10:32,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:32,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:32,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:32,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:32,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:10:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:33,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:34,302 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:10:34,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:39,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:10:43,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 71 states and 212 transitions. [2024-11-25 03:10:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 212 transitions. [2024-11-25 03:10:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:10:43,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:43,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:43,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:43,517 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:43,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:10:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:44,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:44,795 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:10:44,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:10:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:10:48,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:10:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 74 states and 225 transitions. [2024-11-25 03:10:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 225 transitions. [2024-11-25 03:10:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:10:55,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:10:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:10:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:10:55,275 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:10:55,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:10:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:56,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:10:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:56,736 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:10:56,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:11:00,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:11:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 77 states and 238 transitions. [2024-11-25 03:11:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 238 transitions. [2024-11-25 03:11:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:11:07,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:07,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:07,461 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:07,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:11:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:08,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:08,800 WARN L254 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-11-25 03:11:08,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:13,424 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:11:13,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:11:16,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:16,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2024-11-25 03:11:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2024-11-25 03:11:16,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:11:16,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:16,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:11:16,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:11:16,110 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:11:16,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:11:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:17,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:11:17,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:17,694 WARN L254 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-25 03:11:17,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:11:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:11:33,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:12:18,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:18,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 99 states and 332 transitions. [2024-11-25 03:12:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 332 transitions. [2024-11-25 03:12:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:12:18,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:18,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:18,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:18,107 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:18,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:12:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:19,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:19,694 WARN L254 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-25 03:12:19,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:12:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:12:27,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:12:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 110 states and 373 transitions. [2024-11-25 03:12:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 373 transitions. [2024-11-25 03:12:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:12:53,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:53,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:12:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:12:53,095 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:12:53,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:12:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:54,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:12:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:54,635 WARN L254 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-25 03:12:54,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:01,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:13:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 111 states and 380 transitions. [2024-11-25 03:13:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 380 transitions. [2024-11-25 03:13:04,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:13:04,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:04,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:04,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:04,677 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:04,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:13:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:05,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:06,353 WARN L254 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 160 conjuncts are in the unsatisfiable core [2024-11-25 03:13:06,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:18,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 03:13:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 113 states and 382 transitions. [2024-11-25 03:13:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 382 transitions. [2024-11-25 03:13:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:13:28,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:28,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:13:28,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:13:28,824 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:13:28,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:13:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:30,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:13:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:30,562 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:13:30,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:48,454 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:13:48,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:14:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 125 states and 461 transitions. [2024-11-25 03:14:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 461 transitions. [2024-11-25 03:14:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:14:32,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:32,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:14:32,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:14:32,383 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:14:32,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:14:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:33,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:14:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:34,173 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:14:34,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:43,243 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:14:43,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 03:15:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 129 states and 489 transitions. [2024-11-25 03:15:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 489 transitions. [2024-11-25 03:15:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:15:01,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:01,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:01,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:01,508 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:01,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:15:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:02,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:03,211 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:15:03,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:15:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:15:11,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-25 03:15:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 132 states and 520 transitions. [2024-11-25 03:15:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 520 transitions. [2024-11-25 03:15:26,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:15:26,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:26,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:26,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:26,477 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:26,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:15:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:27,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:28,261 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:15:28,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:15:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:15:38,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 03:15:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 136 states and 554 transitions. [2024-11-25 03:15:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 554 transitions. [2024-11-25 03:15:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:15:56,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:15:56,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:15:56,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:15:56,166 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:15:56,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:15:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:57,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:15:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:57,925 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:15:57,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:16:07,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 03:16:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 137 states and 564 transitions. [2024-11-25 03:16:11,710 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 564 transitions. [2024-11-25 03:16:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:16:11,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:11,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:11,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:11,716 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:11,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:16:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:13,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:13,544 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 159 conjuncts are in the unsatisfiable core [2024-11-25 03:16:13,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:16:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:16:23,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:16:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:16:29,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 138 states and 573 transitions. [2024-11-25 03:16:29,362 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 573 transitions. [2024-11-25 03:16:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:16:29,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:16:29,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:16:29,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:16:29,367 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:16:29,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:16:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:31,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:16:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:16:31,560 WARN L254 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-25 03:16:31,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:17:37,516 WARN L286 SmtUtils]: Spent 21.40s on a formula simplification. DAG size of input: 705 DAG size of output: 608 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:17:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:17:50,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:19:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:19:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 147 states and 633 transitions. [2024-11-25 03:19:44,650 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 633 transitions. [2024-11-25 03:19:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:19:44,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:19:44,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:19:44,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:19:44,654 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:19:44,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f856db9-9f60-4b86-ae92-7fa609741562/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:19:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:46,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:19:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:19:46,718 WARN L254 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-25 03:19:46,743 INFO L279 TraceCheckSpWp]: Computing forward predicates...