./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/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_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:59,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:59,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:05:59,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:59,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:59,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:59,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:59,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:59,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:59,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:59,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:59,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:59,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:59,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:59,125 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:59,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:59,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:59,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:59,126 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_529eff83-e94d-4c96-b72a-b91c5d195d22/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 [2024-11-24 18:05:59,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:59,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:59,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:59,482 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:59,483 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:59,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 18:06:02,441 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/b23606921/baec65d987cc47ef8af06e14e1265537/FLAGb12cfb25b [2024-11-24 18:06:02,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:02,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 18:06:02,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/b23606921/baec65d987cc47ef8af06e14e1265537/FLAGb12cfb25b [2024-11-24 18:06:02,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/b23606921/baec65d987cc47ef8af06e14e1265537 [2024-11-24 18:06:02,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:02,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:02,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:02,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:03,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:03,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:03,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cea431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:03, skipping insertion in model container [2024-11-24 18:06:03,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:03,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:04,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:04,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:04,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:05,137 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-24 18:06:05,148 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:05,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05 WrapperNode [2024-11-24 18:06:05,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:05,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:05,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:05,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:05,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,332 INFO L138 Inliner]: procedures = 597, calls = 507, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 818 [2024-11-24 18:06:05,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:05,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:05,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:05,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:05,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,438 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:05,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:05,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:05,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:05,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:05" (1/1) ... [2024-11-24 18:06:05,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:05,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:05,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:05,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-11-24 18:06:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-11-24 18:06:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-24 18:06:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-24 18:06:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:06:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:06:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 18:06:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-24 18:06:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-24 18:06:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-24 18:06:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-24 18:06:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:06:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:06:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 18:06:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:06:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:06:06,140 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:06,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:07,852 INFO L? ?]: Removed 225 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:07,852 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:08,175 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:08,175 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-24 18:06:08,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:08 BoogieIcfgContainer [2024-11-24 18:06:08,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:08,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:08,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:08,191 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:08,191 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:08" (1/1) ... [2024-11-24 18:06:08,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:08,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 144 transitions. [2024-11-24 18:06:08,280 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2024-11-24 18:06:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:06:08,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:08,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:10,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:06:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:10,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 147 transitions. [2024-11-24 18:06:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2024-11-24 18:06:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:06:10,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:10,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 119 states and 148 transitions. [2024-11-24 18:06:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 148 transitions. [2024-11-24 18:06:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-24 18:06:11,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:12,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 121 states and 151 transitions. [2024-11-24 18:06:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 151 transitions. [2024-11-24 18:06:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:06:12,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:12,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-24 18:06:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 120 states and 150 transitions. [2024-11-24 18:06:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-24 18:06:12,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:06:12,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:12,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 121 states and 151 transitions. [2024-11-24 18:06:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 151 transitions. [2024-11-24 18:06:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:06:13,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-24 18:06:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 120 states and 150 transitions. [2024-11-24 18:06:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-24 18:06:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:06:14,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:14,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-24 18:06:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 119 states and 149 transitions. [2024-11-24 18:06:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 149 transitions. [2024-11-24 18:06:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:06:14,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:15,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 122 states and 152 transitions. [2024-11-24 18:06:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2024-11-24 18:06:15,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:06:15,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 155 transitions. [2024-11-24 18:06:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 155 transitions. [2024-11-24 18:06:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:06:16,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:16,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:17,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 128 states and 158 transitions. [2024-11-24 18:06:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 158 transitions. [2024-11-24 18:06:17,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:06:17,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 161 transitions. [2024-11-24 18:06:18,958 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2024-11-24 18:06:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:06:18,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:19,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 164 transitions. [2024-11-24 18:06:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 164 transitions. [2024-11-24 18:06:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:06:19,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:20,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 137 states and 167 transitions. [2024-11-24 18:06:20,800 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 167 transitions. [2024-11-24 18:06:20,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:06:20,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:20,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:21,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 140 states and 170 transitions. [2024-11-24 18:06:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 170 transitions. [2024-11-24 18:06:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:06:21,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:21,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 143 states and 172 transitions. [2024-11-24 18:06:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 172 transitions. [2024-11-24 18:06:22,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 18:06:22,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:22,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:24,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 142 states and 171 transitions. [2024-11-24 18:06:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2024-11-24 18:06:24,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-24 18:06:24,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:24,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 141 states and 170 transitions. [2024-11-24 18:06:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 170 transitions. [2024-11-24 18:06:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:06:24,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:25,113 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 140 states and 169 transitions. [2024-11-24 18:06:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-11-24 18:06:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-24 18:06:25,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:25,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 142 states and 172 transitions. [2024-11-24 18:06:26,067 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 172 transitions. [2024-11-24 18:06:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 18:06:26,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:26,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 143 states and 173 transitions. [2024-11-24 18:06:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 173 transitions. [2024-11-24 18:06:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-24 18:06:26,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 77 transitions. [2024-11-24 18:06:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2024-11-24 18:06:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-24 18:06:27,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:27,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:28,440 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 80 transitions. [2024-11-24 18:06:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2024-11-24 18:06:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-24 18:06:28,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 18:06:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 89 transitions. [2024-11-24 18:06:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2024-11-24 18:06:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-24 18:06:29,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:29,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 18:06:30,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:30,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 88 transitions. [2024-11-24 18:06:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2024-11-24 18:06:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-24 18:06:30,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-24 18:06:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 89 transitions. [2024-11-24 18:06:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2024-11-24 18:06:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 18:06:31,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-24 18:06:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 88 transitions. [2024-11-24 18:06:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2024-11-24 18:06:32,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-24 18:06:32,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:32,834 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-24 18:06:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 77 states and 91 transitions. [2024-11-24 18:06:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2024-11-24 18:06:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-24 18:06:33,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:33,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-24 18:06:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 92 transitions. [2024-11-24 18:06:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2024-11-24 18:06:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 18:06:34,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 80 states and 93 transitions. [2024-11-24 18:06:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2024-11-24 18:06:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 18:06:35,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:35,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:36,044 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 96 transitions. [2024-11-24 18:06:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2024-11-24 18:06:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 18:06:37,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:37,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:38,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 99 transitions. [2024-11-24 18:06:38,462 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2024-11-24 18:06:38,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-24 18:06:38,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:38,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:39,258 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 89 states and 102 transitions. [2024-11-24 18:06:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2024-11-24 18:06:40,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:06:40,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:40,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:40,648 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 92 states and 105 transitions. [2024-11-24 18:06:41,543 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-24 18:06:41,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 18:06:41,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:41,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:42,255 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 95 states and 108 transitions. [2024-11-24 18:06:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2024-11-24 18:06:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 18:06:42,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:42,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 98 states and 111 transitions. [2024-11-24 18:06:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2024-11-24 18:06:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 18:06:44,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:44,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:46,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 101 states and 114 transitions. [2024-11-24 18:06:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2024-11-24 18:06:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-24 18:06:46,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:46,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:06:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:47,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 104 states and 116 transitions. [2024-11-24 18:06:47,699 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2024-11-24 18:06:47,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:06:47,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:00,767 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 57 proven. 89 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:07:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 141 states and 176 transitions. [2024-11-24 18:07:17,617 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 176 transitions. [2024-11-24 18:07:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:07:17,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:18,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 142 states and 177 transitions. [2024-11-24 18:07:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 177 transitions. [2024-11-24 18:07:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:07:18,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:18,969 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 144 states and 180 transitions. [2024-11-24 18:07:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 180 transitions. [2024-11-24 18:07:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-24 18:07:19,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:19,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:19,543 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 145 states and 181 transitions. [2024-11-24 18:07:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 181 transitions. [2024-11-24 18:07:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 18:07:19,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 149 proven. 28 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:07:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 146 states and 181 transitions. [2024-11-24 18:07:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2024-11-24 18:07:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 18:07:21,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-24 18:07:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 155 states and 196 transitions. [2024-11-24 18:07:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 196 transitions. [2024-11-24 18:07:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 18:07:25,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 157 states and 200 transitions. [2024-11-24 18:07:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 200 transitions. [2024-11-24 18:07:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-24 18:07:26,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:26,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-11-24 18:07:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 167 states and 217 transitions. [2024-11-24 18:07:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2024-11-24 18:07:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-24 18:07:30,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:30,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:31,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 170 states and 221 transitions. [2024-11-24 18:07:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 221 transitions. [2024-11-24 18:07:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-24 18:07:31,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:31,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:32,095 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-24 18:07:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 172 states and 222 transitions. [2024-11-24 18:07:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-11-24 18:07:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-24 18:07:32,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:32,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-24 18:07:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 171 states and 221 transitions. [2024-11-24 18:07:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 221 transitions. [2024-11-24 18:07:34,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 18:07:34,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-24 18:07:36,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:36,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 173 states and 222 transitions. [2024-11-24 18:07:36,091 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 222 transitions. [2024-11-24 18:07:36,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-24 18:07:36,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:36,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-24 18:07:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 219 states and 280 transitions. [2024-11-24 18:07:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 280 transitions. [2024-11-24 18:07:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 18:07:53,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:53,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:07:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 222 states and 283 transitions. [2024-11-24 18:07:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 283 transitions. [2024-11-24 18:07:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 18:07:55,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:55,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-24 18:07:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 224 states and 284 transitions. [2024-11-24 18:07:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2024-11-24 18:07:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-24 18:07:56,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2024-11-24 18:07:58,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:07:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 226 states and 285 transitions. [2024-11-24 18:07:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 285 transitions. [2024-11-24 18:07:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-24 18:07:58,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:07:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:07:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:07:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 108 proven. 12 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:00,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:00,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 229 states and 288 transitions. [2024-11-24 18:08:00,008 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 288 transitions. [2024-11-24 18:08:00,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-24 18:08:00,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 139 proven. 22 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 232 states and 291 transitions. [2024-11-24 18:08:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 291 transitions. [2024-11-24 18:08:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-24 18:08:01,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:01,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 170 proven. 35 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 235 states and 294 transitions. [2024-11-24 18:08:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 294 transitions. [2024-11-24 18:08:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-24 18:08:03,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 201 proven. 51 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:05,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:05,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 238 states and 297 transitions. [2024-11-24 18:08:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 297 transitions. [2024-11-24 18:08:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-24 18:08:05,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:05,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:05,955 INFO L134 CoverageAnalysis]: Checked inductivity of 593 backedges. 232 proven. 70 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:07,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 241 states and 300 transitions. [2024-11-24 18:08:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 300 transitions. [2024-11-24 18:08:07,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-24 18:08:07,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:07,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 263 proven. 92 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:09,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:09,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 244 states and 303 transitions. [2024-11-24 18:08:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2024-11-24 18:08:09,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-24 18:08:09,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:09,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 294 proven. 117 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-24 18:08:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 247 states and 305 transitions. [2024-11-24 18:08:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 305 transitions. [2024-11-24 18:08:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 18:08:11,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:12,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:08:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:08:23,987 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) [2024-11-24 18:08:23,992 INFO L158 Benchmark]: Toolchain (without parser) took 140998.16ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 88.5MB in the beginning and 787.5MB in the end (delta: -699.0MB). Peak memory consumption was 344.7MB. Max. memory is 16.1GB. [2024-11-24 18:08:23,992 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:23,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2154.70ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 57.1MB in the end (delta: 31.5MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2024-11-24 18:08:23,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.10ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 49.2MB in the end (delta: 7.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:23,993 INFO L158 Benchmark]: Boogie Preprocessor took 160.30ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 42.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:08:23,993 INFO L158 Benchmark]: RCFGBuilder took 2680.20ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 42.4MB in the beginning and 195.0MB in the end (delta: -152.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-24 18:08:23,994 INFO L158 Benchmark]: CodeCheck took 135812.86ms. Allocated memory was 276.8MB in the beginning and 1.2GB in the end (delta: 880.8MB). Free memory was 195.0MB in the beginning and 787.5MB in the end (delta: -592.5MB). Peak memory consumption was 289.1MB. Max. memory is 16.1GB. [2024-11-24 18:08:23,996 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 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2154.70ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 57.1MB in the end (delta: 31.5MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.10ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 49.2MB in the end (delta: 7.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 160.30ms. Allocated memory is still 117.4MB. Free memory was 49.2MB in the beginning and 42.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2680.20ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 42.4MB in the beginning and 195.0MB in the end (delta: -152.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * CodeCheck took 135812.86ms. Allocated memory was 276.8MB in the beginning and 1.2GB in the end (delta: 880.8MB). Free memory was 195.0MB in the beginning and 787.5MB in the end (delta: -592.5MB). Peak memory consumption was 289.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:08:24,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/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_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/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_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:08:27,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:08:27,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:08:27,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:08:27,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:08:27,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:08:27,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:08:27,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:08:27,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:08:27,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:08:27,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:08:27,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:08:27,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:08:27,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:08:27,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:08:27,430 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:08:27,430 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:08:27,430 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:08:27,430 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:08:27,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:08:27,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:27,431 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:08:27,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:08:27,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:27,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:08:27,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:08:27,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:08:27,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:08:27,432 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:27,433 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:08:27,433 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_529eff83-e94d-4c96-b72a-b91c5d195d22/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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e036d03abaa2464843bef35227938cb8e4d04c5a12ab6a4a0003d6a8df9a501 [2024-11-24 18:08:27,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:08:27,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:08:27,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:08:27,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:08:27,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:08:27,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 18:08:31,030 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/7b433261e/b064d78a6611424f849dbb98d823b91b/FLAGebd3d9b46 [2024-11-24 18:08:31,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:08:31,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2024-11-24 18:08:31,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/7b433261e/b064d78a6611424f849dbb98d823b91b/FLAGebd3d9b46 [2024-11-24 18:08:31,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/data/7b433261e/b064d78a6611424f849dbb98d823b91b [2024-11-24 18:08:31,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:08:31,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:08:31,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:31,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:08:31,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:08:31,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:31" (1/1) ... [2024-11-24 18:08:31,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6bb9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:31, skipping insertion in model container [2024-11-24 18:08:31,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:31" (1/1) ... [2024-11-24 18:08:31,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:08:33,058 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,062 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,065 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,067 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,073 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,075 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,077 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,081 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,084 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,089 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,094 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,106 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,116 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,123 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,138 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:08:33,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:33,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:08:33,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:33,766 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-24 18:08:33,781 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:08:33,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33 WrapperNode [2024-11-24 18:08:33,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:33,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:33,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:08:33,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:08:33,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:33,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:33,962 INFO L138 Inliner]: procedures = 608, calls = 507, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 796 [2024-11-24 18:08:33,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:33,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:08:33,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:08:33,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:08:33,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:33,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:33,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:33,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:08:34,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:08:34,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:08:34,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:08:34,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:33" (1/1) ... [2024-11-24 18:08:34,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:34,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:08:34,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:08:34,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:08:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-11-24 18:08:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-11-24 18:08:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:08:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2024-11-24 18:08:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2024-11-24 18:08:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:08:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:08:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-24 18:08:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-24 18:08:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-24 18:08:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:08:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-24 18:08:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-24 18:08:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:08:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:08:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:08:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-24 18:08:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-24 18:08:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:08:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-24 18:08:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2024-11-24 18:08:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-24 18:08:34,835 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:08:34,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:08:47,748 INFO L? ?]: Removed 215 outVars from TransFormulas that were not future-live. [2024-11-24 18:08:47,748 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:08:48,137 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:08:48,139 INFO L312 CfgBuilder]: Removed 11 assume(true) statements. [2024-11-24 18:08:48,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:48 BoogieIcfgContainer [2024-11-24 18:08:48,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:08:48,141 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:08:48,141 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:08:48,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:08:48,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:48" (1/1) ... [2024-11-24 18:08:48,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:08:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 144 transitions. [2024-11-24 18:08:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2024-11-24 18:08:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:08:48,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:48,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:08:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:08:48,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:08:48,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:08:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:49,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:08:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:50,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:08:50,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:08:50,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:50,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:00,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:09:00,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 115 states and 143 transitions. [2024-11-24 18:09:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 143 transitions. [2024-11-24 18:09:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:09:00,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:00,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:00,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:00,884 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:00,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:09:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:02,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:03,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:09:03,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:03,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:03,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:09:13,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 18:09:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:14,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 118 states and 147 transitions. [2024-11-24 18:09:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2024-11-24 18:09:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:09:14,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:14,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:14,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:14,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:14,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:09:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:15,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:16,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:09:16,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:16,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 121 states and 150 transitions. [2024-11-24 18:09:17,517 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 150 transitions. [2024-11-24 18:09:17,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:09:17,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:17,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:17,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:17,520 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:17,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:09:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:18,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:19,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:09:19,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:19,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 124 states and 153 transitions. [2024-11-24 18:09:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2024-11-24 18:09:20,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:09:20,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:20,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:20,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:20,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:09:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:21,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:22,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:09:22,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:23,013 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:23,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:09:23,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 156 transitions. [2024-11-24 18:09:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2024-11-24 18:09:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-24 18:09:23,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:23,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:23,803 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:23,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:09:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:25,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:25,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:09:25,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:26,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 130 states and 159 transitions. [2024-11-24 18:09:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2024-11-24 18:09:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:09:27,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:27,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:27,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:27,096 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:27,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:09:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:28,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:29,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:09:29,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:29,920 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:29,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-24 18:09:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 133 states and 162 transitions. [2024-11-24 18:09:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2024-11-24 18:09:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 18:09:30,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:30,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:30,903 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:30,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:09:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:32,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:33,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 18:09:33,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:33,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-24 18:09:34,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 136 states and 165 transitions. [2024-11-24 18:09:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2024-11-24 18:09:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-24 18:09:34,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:34,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:34,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:34,924 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:09:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:36,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:37,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:09:37,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:38,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 18:09:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 139 states and 168 transitions. [2024-11-24 18:09:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 168 transitions. [2024-11-24 18:09:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 18:09:39,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:39,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:39,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:39,391 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:39,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:09:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:40,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:41,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 18:09:41,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:42,520 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:42,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-24 18:09:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:43,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 142 states and 171 transitions. [2024-11-24 18:09:43,969 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2024-11-24 18:09:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:09:43,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:43,973 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:43,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:09:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:45,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:46,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 18:09:46,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:47,392 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:47,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:09:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 145 states and 174 transitions. [2024-11-24 18:09:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 174 transitions. [2024-11-24 18:09:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-24 18:09:48,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:48,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:48,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:48,956 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:48,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:09:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:50,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:51,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:09:51,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:09:52,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-24 18:09:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 142 states and 169 transitions. [2024-11-24 18:09:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 169 transitions. [2024-11-24 18:09:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-24 18:09:53,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:53,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:53,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:53,844 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:53,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 18:09:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:54,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:55,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:09:55,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:09:55,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-24 18:09:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:55,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 141 states and 168 transitions. [2024-11-24 18:09:55,365 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2024-11-24 18:09:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 18:09:55,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:55,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:55,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:55,370 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:55,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 18:09:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:57,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:09:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:09:57,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:09:57,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:09:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:09:58,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-24 18:09:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:09:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 140 states and 167 transitions. [2024-11-24 18:09:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 167 transitions. [2024-11-24 18:09:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-24 18:09:59,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:09:59,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:09:59,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:09:59,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:09:59,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 18:10:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:00,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:01,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:10:01,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:01,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-24 18:10:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:01,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 139 states and 166 transitions. [2024-11-24 18:10:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 166 transitions. [2024-11-24 18:10:01,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-24 18:10:01,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:01,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:01,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:01,724 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:01,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 18:10:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:02,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:03,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:03,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:03,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-24 18:10:04,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:04,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 138 states and 165 transitions. [2024-11-24 18:10:04,655 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2024-11-24 18:10:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-24 18:10:04,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:04,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:04,659 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:04,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-24 18:10:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:05,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:06,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:10:06,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:06,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-24 18:10:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:06,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 137 states and 164 transitions. [2024-11-24 18:10:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 164 transitions. [2024-11-24 18:10:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-24 18:10:06,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:06,562 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:06,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 18:10:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:07,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:08,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:10:08,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:08,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 18:10:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2024-11-24 18:10:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2024-11-24 18:10:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-24 18:10:08,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:08,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:08,586 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:08,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-24 18:10:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:10,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:11,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:10:11,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:11,803 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:11,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-24 18:10:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:12,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 139 states and 167 transitions. [2024-11-24 18:10:12,636 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 167 transitions. [2024-11-24 18:10:12,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-24 18:10:12,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:12,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:12,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:12,640 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 18:10:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:15,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:15,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:15,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:16,890 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:16,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-24 18:10:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:19,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 71 transitions. [2024-11-24 18:10:19,228 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2024-11-24 18:10:19,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-24 18:10:19,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:19,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:19,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:19,232 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:19,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 18:10:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:21,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:22,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:10:22,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:22,941 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:22,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-24 18:10:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 74 transitions. [2024-11-24 18:10:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2024-11-24 18:10:25,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-24 18:10:25,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:25,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:25,004 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:25,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 18:10:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:27,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:28,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:28,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 18:10:28,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:29,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-24 18:10:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 77 transitions. [2024-11-24 18:10:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2024-11-24 18:10:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-24 18:10:31,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:31,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:31,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:31,260 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 18:10:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:33,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:34,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 18:10:34,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:35,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 18:10:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 80 transitions. [2024-11-24 18:10:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2024-11-24 18:10:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-24 18:10:37,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:37,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:37,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:37,193 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:37,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 18:10:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:39,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:40,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 18:10:40,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:41,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-24 18:10:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 83 transitions. [2024-11-24 18:10:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2024-11-24 18:10:43,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 18:10:43,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:43,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:43,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:43,909 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:43,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-24 18:10:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:46,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:47,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-24 18:10:47,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:48,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-24 18:10:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:10:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 80 states and 86 transitions. [2024-11-24 18:10:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2024-11-24 18:10:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-24 18:10:51,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:10:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:10:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:10:51,729 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:10:51,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-24 18:10:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:54,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:10:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:10:55,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 18:10:55,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:10:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:10:57,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 89 transitions. [2024-11-24 18:11:00,251 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2024-11-24 18:11:00,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-24 18:11:00,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:00,255 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:00,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-24 18:11:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:03,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:04,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:11:04,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:11:06,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 86 states and 92 transitions. [2024-11-24 18:11:09,296 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2024-11-24 18:11:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 18:11:09,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:09,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:09,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:09,300 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:09,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 18:11:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:12,448 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:13,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 18:11:13,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:11:14,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-24 18:11:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 89 states and 95 transitions. [2024-11-24 18:11:17,672 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2024-11-24 18:11:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 18:11:17,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:17,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:17,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:17,677 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:17,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 18:11:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:20,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:20,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 18:11:20,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:11:22,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-24 18:11:25,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:25,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 92 states and 98 transitions. [2024-11-24 18:11:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2024-11-24 18:11:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 18:11:25,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:25,313 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:25,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-24 18:11:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:27,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:28,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:11:28,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:30,101 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-24 18:11:30,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-24 18:11:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:11:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 89 states and 93 transitions. [2024-11-24 18:11:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2024-11-24 18:11:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 18:11:32,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:11:32,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:11:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:11:32,941 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:11:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-24 18:11:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:35,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:11:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:11:36,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 18:11:36,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:11:37,791 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-24 18:11:37,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-24 18:12:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:12:12,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 122 states and 127 transitions. [2024-11-24 18:12:12,333 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2024-11-24 18:12:12,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 18:12:12,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:12:12,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:12:12,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:12:12,336 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:12:12,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_529eff83-e94d-4c96-b72a-b91c5d195d22/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process